Series 32D Electronic Pressure Switch for Hydraulic and High Pressure Applications. Series 18D Hydraulic. Pressure Switch

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1 Contents Pressure Switch Overview Series 18D Pneumatic Pressure Switches Series 18D Hydraulic Pressure Switches Series 31D Electronic Pressure Switches for Pneumatic Alications Series 32D Electronic Pressure Switches for Hydraulic and High Pressure Alications Series 18D Hydraulic Pressure Switch Series 32D Electronic Pressure Switch for Hydraulic and High Pressure Alications Series 31D Electronic Pressure Switch for Pneumatic Alications Series 18D Pneumatic Pressure Switch 8/98 Warrendale, PA USA Phone Fax

2 Pressure Switches Guaranteed Quality Norgren and Herion have joined forces to create one of the largest manufacturers of ressure control instruments in the world. Herion is the international market leader in high technology ressure switches with a comrehensive range of electronic and electrical roducts for the most demanding alications. The combination of Herion s technical exertise and Norgren s Global strength makes the erfect fit, bringing benefits to customers worldwide. Norgren Herion ressure switches rovide: Safe oeration Long life Cost efficiency Easy handling Comact design Pneumatics/Vacuum Switching ressure ranges vacuum to 435 si (30 bar) Electro-mechanical and electronic models Hydraulics Switching ressure ranges 0 to 10,000 si (700 bar) Electro-mechanical and electronic models 2 Warrendale, PA USA Phone Fax /98

3 Rugged Designs Look inside our Model 18D ressure switch Pressure Switches Convenient setoint adjustment with locking screw Anodized aluminum housing machined from barstock Pressure transmission O-ring for environmental rotection of adjustment mechanism Elastomer diahragm suorted by steel iston head (neumatic versions) Heavy-duty range sring 5 am microswitch with gold lated contacts. UL & CSA aroved Plug-in electrical connections DIN Positive sto limits for overressure Choice of ressure ort thread otions (ort is stainless steel on hydraulic versions) Pressure switch alications and industries Vacuum handling and transfer equiment Packaging and roduction machines Automated test stands Hydraulic ower units Machine tools 8/98 Warrendale, PA USA Phone Fax

4 Pressure Switches Pneumatics/Vacu 18D Cometitively riced switches for neumatic alications Rugged, comact design Convenient setoint adjustment Plug-in electrical connections UL and CSA aroved microswitch Port otions: 1/4" NPT, G 1/4, or flange mount Pressure range selection -14 to 0 si (-1 to 0 bar) 3 to 30 si (.2 to 2 bar) 7 to 120 si (.5 to 8 bar) 15 to 230 si (1 to 16 bar) 15 to 435 si (1 to 30 bar) 31D The Intelligent choice for neumatic ressure monitoring Solid state technology Real-time LCD dislay of actual ressure Extremely long cycle life u to 100 million cycles Adjustable hysteresis and window mode caability Can be calibrated without alied ressure Pressure range selection -14 to 15 si (-1 to 1 bar) 0 to 150 si (0 to 10 bar) 0 to 360 si (0 to 25 bar) 4 Warrendale, PA USA Phone Fax /98

5 Pressure Switches Hydraulics 18D Cost effective hydraulic ressure switches Rugged, comact design Port otions: 1/4" NPT, 7/16-20 UNF, G 1/4, or flange mount Convenient setoint adjustment Plug-in electrical connections UL and CSA aroved microswitch Pressure range selection 70 to 1015 si (5 to 70 bar) 150 to 2320 si (10 to 160 bar) 360 to 3600 si (25 to 250 bar) 580 to 6100 si (40 to 250 bar) 32D Advanced solid state features rugged industrial erformance Extremely long cycle life u to 100 million cycles Real-time LCD dislay of actual ressure Adjustable hysteresis and window mode caability Can be calibrated without alied ressure Otional 4-20 ma and 0-10V analog outut Pressure range selection 0 to 100 bar 0 to 160 bar 0 to 250 bar 0 to 350 bar 0 to 700 bar 8/98 Warrendale, PA USA Phone Fax

6 Series 18D Pneumatic Pressure Switches Rugged comact design Convenient setoint adjustment High cycle life Vibration resistant to 15g Microswitch aroved by UL and CSA Gold lated contacts suitable for use in intrinsically safe circuits Plug-in electrical connections Technical Data Fluid: Neutral gasses and light oil Construction: Diahragm Actuated Port Size: 1/4 NPT, G1/4 (BSPP), Flange Adjustment Range: 28" Hg to 435 si (-1 to 30 bar) Ambient Temerature: 14 to 175 F (-10 to 80 C) Maximum Viscosity: 450 SSU (1000 mm 2 /s) Fluid Temerature: -4 to 175 F (-20 to 80 C) Maximum Switching Rate: 100 cycles/min Reeatability: ± 3%, for vacuum ± 4% Electrical Connection: DIN Table A Switching Element: Microswitch Environmental Protection: IP65 Mounting: Arbitrary Weight:.4 lbs (0.2 kg) Grahic Symbol Switching function: Microswitch SPDT Terminals 1-3: Contacts close on rising ressure. Terminals 1-2: Contacts oen on rising ressure Warrendale, PA USA Phone Fax /98

7 Series 18D Pneumatic Pressure Switches General Information (Part numbers include mating connector) Part Number Pressure Range Switching Pressure Maximum Materials Fluid Connection Dimension si (bar) Difference (Hysteresis)* Over Pressure ** Drawing No. si (bar) si (bar) Lower Uer Housing Seal Tye Size Range Range Dyn./Static (-1 0) 2 (0.15) 3 (0.18) 1150 (80) Al FKM/NBR Female G1/ (-1 0) 2 (0.15) 3 (0.18) 1150 (80) Al FKM/NBR Female 1/4 NPT (-1 0) 2 (0.15) 3 (0.18) 1150 (80) Al FKM/NBR Flange (0.2 2) 2 (0.15) 4 (0.27) 1150 (80) Al FKM/NBR Female G1/ (0.2 2) 2 (0.15) 4 (0.27) 1150 (80) Al FKM/NBR Female 1/4 NPT (0.2 2) 2 (0.15) 4 (0.27) 1150 (80) Al NBR/NBR Flange (0.5 8) 4 (0.25) 9 (0.65) 1150 (80) Al NBR/NBR Female G1/ (0.5 8) 4 (0.25) 9 (0.65) 1150 (80) Al NBR/NBR Female 1/4 NPT (0.5 8) 4 (0.25) 9 (0.65) 1150 (80) Al NBR/NBR Flange (1 16) 4 (0.30) 13 (0.90) 1150 (80) Al NBR/NBR Female G1/ (1 16) 4 (0.30) 13 (0.90) 1150 (80) Al NBR/NBR Female 1/4 NPT (1 16) 4 (0.30) 13 (0.90) 1150 (80) Al NBR/NBR Flange (1 30) 15 (1.0) 73 (5.00) 1150 (80) Al NBR/NBR Female G1/ (1 30) 15 (1.0) 73 (5.00) 1150 (80) Al NBR/NBR Female 1/4 NPT 02 * Switching ressure difference (hysteresis) is not adjustable. Maximum values are shown. ** Do not subject switch to maximum allowable ressure during normal oeration. Even short ressure eaks must not exceed this value. Materials: Al = Aluminum NBR = Buna N PTFE = Teflon Making And/Or Breaking Caacity Load Level* Tye of Current Tye of Load Vmin [V] Maximum Permanent Current Imax [A] at V Contact life 24 V 125 V 250 V electrical mechanical at I max at I 0 Standard AC Resistive x 10 4 arox 10 7 (relays, switching switching solenoids) AC Inductive PF cycles cycles DC Resistive DC Inductive L/R 10 ms Low AC Resistive x 10 5 arox 10 7 (electronic switching switching circuits) DC Inductive cycles cycles L/R 10 ms * Load Level Exlanation Series 18D Pressure Switches have microswitch contacts with gold-lating over silver base metal. The gold lating remains intact when low level voltage / current levels are observed. This feature assures highly reliable switching in low-level electronic circuits. Standard alications do not require the gold lating which will decay naturally when switching larger electrical loads. Notes: 1. Reference conditions: 30 cycles er min and 86 F (30 C) ambient. 2. Reducing load current to 50% of I max aroximately doubles contact life. 3. Creeage and clearance distances corresond to insulation grou B er VDE Reg (excet contact clearance of microswitch. 8/98 Warrendale, PA USA Phone Fax

8 Series 18D Pneumatic Pressure Switches All Dimensions in Inches (mm) Dimensional drawing 01 Dimensional drawing 02 Switch Adjustment Switch Adjustment 2.95 (75) 2.95 (75).79 (20).79 (20).59 (15).21 (5.3).61 (15.5) 2.83 (72).59 (15).21 (5.3).37 (9.5) 2.83 (72) 1 /4 NPT or G 1 /4 1 /4 NPT or G 1 /4 Dimensional drawing 03 (flange mount) Dimensional drawing 04 (flange mount) Switch Adjustment Switch Adjustment.79 (20) 2.95 (75).79 (20) 2.95 (75).21 (5.3) 2.83 (72).21 (5.3).59 (15) 2.83 (72).315 (8) dia recess at ressure inlet for O-ring. (O-ring sulied with switch).59 (15).315 (8) dia recess at ressure inlet for O-ring. (O-ring sulied with switch) Protective Cover An otional elastomer cover for rotection of the switch adjustment against dirt and slashing liquids.28 (7).06 (1.5) Part No Warrendale, PA USA Phone Fax /98

9 Series 18D Pneumatic Pressure Switches Switch Selection and Mounting Instructions Select a switch such that the desired switching oint falls roughly in the middle of the adjustment range. Do not exceed switch electrical ratings. Use an aroriately sized relay when switching larger electrical loads. For liquid media with ressure sikes and/or ulsating ressures, install a ressure snubber. For outdoor alications, sufficient rotection must be rovided. Adjustment of Switching Point Either the uer or the lower switching oint may be adjusted. The oosite one is then fixed by the hysteresis characteristics of the switch. Use a ressure gauge for exact adjustment. Proceed as follows: 1.Loosen locking screw. 2.Adjust the switching oint using a 5 mm hexagon wrench. Clockwise rotation increases switching ressure and counter-clockwise rotation decreases switching ressure. Low-end of adjustment range is reached when to of adjustment barrel is aroximately level with to of switch housing. High-end of adjustment range is reached when adjustment barrel is fully CW. 3.Re-tighten locking screw. Adjustment Of Switching Points Locking Screw 8/98 Warrendale, PA USA Phone Fax

10 Series 18D Hydraulic Pressure Switches Rugged comact design Convenient setoint adjustment High cycle life Vibration resistant to 15g Microswitch aroved by UL and CSA Gold lated contacts - suitable for use in intrinsically safe circuits Plug-in electrical connections Technical Data Fluid: Hydraulic, lubricating and light fuel oils Construction: Piston actuated Port Size: 1/4 NPT, 7/16-20 UNF (SAE-4), G1/4 (BSPP), Flange Adjustment range: si (5-420 bar) Ambient Temerature: -13 to 175 F (-25 to 80 C ) Maximum Viscosity: 450 SSU (1000 mm 2 /s) Fluid Temerature: -13 to 175 F (-25 to 80 C ) Maximum Switching Rate: 100 cycles/min Reeatability: ± 3% Electrical Connection: DIN Table A Switching Element: Microswitch Environmental Protection: IP65 Mounting: Arbitrary Weight:.4 lbs (0.2 kg) Grahic Symbol Switching function: Microswitch SPDT Terminals 1-3: Contacts close on rising ressure. Terminals 1-2: Contacts oen on rising ressure Warrendale, PA USA Phone Fax /98

11 General Information (Part numbers include mating connector) Series 18D Hydraulic Pressure Switches Part Number Pressure Range Switching Pressure Maximum Materials Fluid Connection Dimension si (bar) Difference (Hysteresis)* Over Pressure ** Drawing No. si (bar) si (bar) Lower Uer Housing/ Seal Tye Size Range Range Piston Dyn./Static (5 70) 152 (10.5) 218 (15) 5800 (400) Al/Steel PTFE/NBR Female G1/ (5 70) 152 (10.5) 218 (15) 5800 (400) Al/Steel PTFE/NBR Flange (5 70) 152 (10.5) 218 (15) 5800 (400) Al/Steel PTFE/NBR Female 7/16-20 UNF (5 70) 152 (10.5) 218 (15) 5800 (400) Al/Steel PTFE/NBR Female 1/4 NPT (10 160) 160 (11) 247 (17) 5800 (400) Al/Steel PTFE/NBR Female G1/ (10 160) 160 (11) 247 (17) 5800 (400) Al/Steel PTFE/NBR Flange (10 160) 160 (11) 247 (17) 5800 (400) Al/Steel PTFE/NBR Female 7/16-20 UNF (10 160) 160 (11) 247 (17) 5800 (400) Al/Steel PTFE/NBR Female 1/4 NPT (25 250) 160 (11) 247 (17) 5800 (400) Al/Steel PTFE/NBR Female G1/ (25 250) 160 (11) 247 (17) 5800 (400) Al/Steel PTFE/NBR Flange (25 250) 160 (11) 247 (17) 5800 (400) Al/Steel PTFE/NBR Female 7/16-20 UNF (25 250) 160 (11) 247 (17) 5800 (400) Al/Steel PTFE/NBR Female 1/4 NPT (40 420) 247 (17) 508 (35) 8700 (600) Al/Steel PTFE/NBR Female G1/ (40 420) 247 (17) 508 (35) 8700 (600) Al/Steel PTFE/NBR Flange (40 420) 247 (17) 508 (35) 8700 (600) Al/Steel PTFE/NBR Female 7/16-20 UNF (40 420) 247 (17) 508 (35) 8700 (600) Al/Steel PTFE/NBR Female 1/4 NPT 01 * Switching ressure difference (hysteresis) is not adjustable. Maximum values are shown. ** Do not subject switch to maximum allowable ressure during normal oeration. Even short ressure eaks must not exceed this value. Materials: Al = Aluminum NBR = Buna N PTFE = Teflon Making And/Or Breaking Caacity Load Level* Tye of Current Tye of Load Vmin [V] Maximum Permanent Current Imax [A] at V Contact life 24 V 125 V 250 V electrical mechanical at I max at I 0 Standard AC Resistive x 10 4 arox 10 7 (relays, switching switching solenoids) AC Inductive PF cycles cycles DC Resistive DC Inductive L/R 10 ms Low AC Resistive x 10 5 arox 10 7 (electronic switching switching circuits) DC Inductive cycles cycles L/R 10 ms * Load Level Exlanation Series 18D Pressure Switches have microswitch contacts with gold-lating over silver base metal. The gold lating remains intact when low level voltage / current levels are observed. This feature assures highly reliable switching in low-level electronic circuits. Standard alications do not require the gold lating which will decay naturally when switching larger electrical loads. Notes: 1. Reference conditions: 30 cycles er min and 86 F (30 C) ambient. 2. Reducing load current to 50% of I max aroximately doubles contact life. 3. Creeage and clearance distances corresond to insulation grou B er VDE Reg (excet contact clearance of microswitch. 8/98 Warrendale, PA USA Phone Fax

12 Series 18D Hydraulic Pressure Switches All Dimensions in Inches (mm) Dimensional drawing 01 Dimensional drawing 02 (flange mount).79 (20) 2.95 (75) Switch Adjustment.79 (20) 2.95 (75) Switch Adjustment.59 (15).21 (5.3).31 (8) 2.83 (72) Pressure ort material: 430 SS (1.4104) 1 /4 NPT, G 1 /4 or 7/16-20 UNF.59 (15).21 (5.3) 2.83 (72).315 (8) dia recess at ressure inlet for O-ring. (O-ring sulied with switch) Protective Cover An otional elastomer cover for rotection of the switch adjustment against dirt and slashing liquids.28 (7).06 (1.5) Part No Warrendale, PA USA Phone Fax /98

13 Series 18D Hydraulic Pressure Switches Switch Selection and Mounting Instructions Select a switch such that the desired switching oint falls roughly in the middle of the adjustment range. Do not exceed switch electrical ratings. Use an aroriately sized relay when switching larger electrical loads. For liquid media with ressure sikes and/or ulsating ressures, install a ressure snubber. For outdoor alications, sufficient rotection must be rovided. Adjustment of Switching Point Either the uer or the lower switching oint may be adjusted. The oosite one is then fixed by the hysteresis characteristics of the switch. Use a ressure gauge for exact adjustment. Proceed as follows: 1.Loosen locking screw. 2.Adjust the switching oint using a 5 mm hexagon wrench. Clockwise rotation increases switching ressure and counter-clockwise rotation decreases switching ressure. Low-end of adjustment range is reached when to of adjustment barrel is aroximately level with to of switch housing. High-end of adjustment range is reached when adjustment barrel is fully CW. 3.Re-tighten locking screw. Adjustment Of Switching Points Locking Screw 8/98 Warrendale, PA USA Phone Fax

14 Digital Dislay Panel Real-time dislay of actual ressure LED status indication Adjustable Hysteresis Indeendent setting of switching and reset ressures Window Mode Caability Off-line Calibration Switching oints can be reset without alied ressure Extremely Long Service Life No moving arts, no mechanical contacts U to 100 million cycles Fast Accurate Resonse 5ms switching time.5% full scale linearity Full 1 Am Switching Caability Normally on or Normally off oeration Series 31D Electronic Pressure Switches for Pneumatic Alications Technical Data Fluid: Filtered comressed air, lubricated or unlubricated Fluid Connection: Female 1/4 NPT, G 1/4 Mounting: Arbitrary Electrical Connection: DIN Table A lug-in Adjustment Range: -14 to 350 si (-1 to 25 bar) Ambient Temerature: 14 to 140 F (-10 to 60 C) Fluid Temerature: 14 to 175 F (-10 to 80 C) Temerature sensitivity (zero oint): 0.4% of FS value/10 K Temerature sensitivity (range): 0.2% of FS value/10 K Switching oint: Adjustable between 0 and 100% of FS value Reset oint: Adjustable between 0 and 100% of FS value Dislay format: 3-1/2 digit LCD Linearity: < 0.5% of FS value Environmental Protection IP65 Housing Material: Die-cast zinc Series 31D ressure switches are electronic devices for ressure monitoring. The switches consist essentially of a integral ressure sensor, microrocessor evaluation circuitry, and a solid state outut driver. 14 Warrendale, PA USA Phone Fax /98

15 Series 31D Pressure Switches General Information (Part numbers include mating connector) Pressure dislay in PSI Part No. Switching Pressure Maximum Fluid Tye of Ste Size Range (si) Pressure (si) Connection Fluid Connection of Dislay (si) /4 NPT Female /4 NPT Female /4 NPT Female 1-2 Pressure dislay in Bar Part No. Switching Pressure Maximum Fluid Tye of Ste Size Range (bar) Pressure (bar) Connection Fluid Connection of Dislay (bar) G1/4 Female G1/4 Female G1/4 Female.1 8/98 Warrendale, PA USA Phone Fax

16 Series 31D Pressure Switches All Dimensions in Inches (mm) Electrical Parameters Electrical connection DIN Table A Power suly (olarity safe) 18 to 32V dc Permissible residual rile 10% (within 18 to 32V) Current consumtion <50 ma (lus load current) Electrical Connectors Electrical connection DIN Table A DIN V = Micro- Controller E 2 PROM (SP,RP) 3 Uout Imax = 1A Load SP RP I 2 0V PE Electromagnetic Comatibility Interference emission Acc. to EN Part 1 Interference immunity Acc. to EN Part 2 Switching Outut General Dimensions.43 (11) Switching mode Outut voltage Contact rating Switching time Service life Switching logic Oen collector PNP switched to suly (suited for inductive load) Suly voltage minus 1.5V (arox) I max = 1A (short-circuit roof) < 5ms 100 million switching cycles Signal on with rising ressure, if SP* > RP** Signal on with falling ressure, if SP < RP 1.97 (50) 1.85 (47) NPT 1 /4 G 1 /4 * SP = Switching oint **RP = Reset oint Ø.31 (8).47 (12).59 (15).20 (5.2) 4.53 (115).05 (1.2).79 (20) 16 Warrendale, PA USA Phone Fax /98

17 Series 31D Pressure Switches Adjusting the Switching Points (SP) and Reset Points (RP) a) Adjusting the switching oint. Case 1 or Case 2 Q Press and hold the SP button. The dislay will show the revious switching ressure setting, and the dotted bar will flash while the button is ressed down (case 1). You can now use the cursor keys to adjust the switching oint uwards or downwards. If a cursor key is held down, the values will change faster. When the cursor key is released again, the switch-on ressure setting will cease to change. This setting is stored and activated when the SP button is released, after which the dislay will show the current ressure value and the bar will quit flashing. b) Adjusting the reset oint. Case 3 or Case 4 Q c) Setting a buffering time. In order to revent brief ressure sikes or surges from causing undesired switching, a buffering time can be entered. The effect of this is that ressure changes are evaluated only if the ressure signal in question is resent for longer than the buffering time. In order to set a buffering time, ress the button SP before the ower suly is switched on. Release this button again after the ower suly has been switched on. The dislay will then show the buffering time in milliseconds (e.g. 03) or seconds. The cursor buttons, can be used to set the buffering time to 03, 06,12, 24 or 50 ms or 0.1, 0.2 or 0.4 seconds. When this has been done, ress SP to store the setting. d) Setting the ressure switch to ambient ressure = 0. Since ambient ressure varies according to altitude, the user may re-calibrate the zero oint to match local conditions. Press the button RP before the ower suly is switched on. Release this button again after the ower suly has been switched on and the dislay test has run. The dislay will then show "OFS". The cursor buttons, can be used to set the ressure dislay to 0. When this has been done, ress SP to store the setting. Q Q Press and hold the RP button. The dislay will show the revious reset ressure setting, and the dotted bar will flash while the button is ressed down. You can now use the cursor keys to adjust the reset oint in the same manner as described above. During both adjustment oerations, it may occur that the hysteresis grah changes from one state to another at the time a transition is made through the oint "Switching ressure = Reset ressure". When both oints are correctly set, the hysteresis grah will also be correct. You can change between SP and RP as often as you wish until the settings are correct. 8/98 Warrendale, PA USA Phone Fax

18 Series 31D Pressure Switches e) Hysteresis mode If it is desired to oerate with a fixed hysteresis value instead of the reset oint, this value can be selected as desired. In order to set a hysteresis value, the two buttons SP and must be ressed simultaneously before the ower suly is switched on. Release these buttons again after the ower suly has been switched on and the dislay test has run. The dislay will then show the oerating mode. The cursor buttons, can now be used to change the oerating mode until "HYS" aears in the dislay. When this has been done, ress SP to store the setting. The SP button can be used to dislay the switchingoint setting, which can be modified by means of the cursor buttons,. The button RP can be used to dislay the hysteresis setting, which can also be modified by means of the cursor buttons,. Negative hysteresis means: Signal on with rising ressure (case 1). Positive hysteresis means: Signal on with falling ressure (case 2). If the switching oint is modified, this will automatically also result in a change in the reset oint by a value equal to the hysteresis setting. Case 1 1 Negative hysteresis Release these buttons again after the ower suly has been switched on and the dislay test has run. The dislay will then show the oerating mode. The cursor buttons,. can now be used to change the oerating mode until "FEn" (standing for "Window") in the dislay. When this has been done, ress SP to store the setting. The button SP can be used to dislay the switching-oint setting, which can be modified by means of the cursor buttons,. The distance between the switching oint and reset oint is the switching window. If the switching oint is lower than the reset oint, a signal will be outut as long as the ressure lies within the reset window (case 1, rising ressure). If the switching oint is higher than the reset oint, a signal will be outut as long as the ressure lies outside the reset window (case 2, rising ressure). In the case of falling ressure, the signal is inverted. Case Case 2 1 On = Pressure within window SP < RP Off = Pressure within window Switching oint 0 Case 2 Positive hysteresis 1 0 RP < SP Switching oint 0 f) Window mode Std = Standard mode, switching and reset oints adjustable HYS = Hysteresis mode, switching oint and hysteresis adjustable FEn = Window mode, switching window adjustable If it is desired to monitor whether the ressure lies within a certain range, a switching window can be created for this urose. The ressure switch will then indicate cases in which the actual ressure lies above or below this area. In order to set a switching window, the two buttons SP and must be ressed simultaneously before the ower suly is switched on. 18 Warrendale, PA USA Phone Fax /98

19 Switching Characteristic Grahs Signal on with rising ressure Setting SP* > RP** Series 31D Pressure Switches Signal on with falling ressure Setting SP < RP SP RP RP SP t t UA U Signal off with rising ressure Setting RP > SP RP t Signal off with falling ressure Setting RP < SP SP t SP RP t t U UA t Exlanation: When the switching oint (SP) is adjusted HIGHER than the reset oint (RP), then the switching outut will be normally off. When the switching oint (SP) is adjusted LOWER than the reset oint (RP), then the switching outut will be normally on. Position of oerating elements t * SP = Switching oint **RP = Reset oint Pressure dislay Switching function grah Switching oint button Switching outut LED Raise switching or reset oint button Reset oint button Lower switching or reset oint button 8/98 Warrendale, PA USA Phone Fax

20 Series 31D Pressure Switches Error messages Dislay of hardware errors or malfunctions Dislay Meaning Cause / Remedy O.Er Outut error Error at switching outut: Circuit-breaker defective, feedback loo to rocessor oen circuit. Reair necessary. E.Er E 2 PROM error E 2 PROM module defective or connection to rocessor faulty. Reair necessary. I.Er Initialization error Checksum of initialization data incorrect. Remedy: Call u any SETUP function and acknowledge the setting with SP. This error message is caused by a data error. All setu values should therefore be checked and corrected if necessary. C.Er Calibration error Checksum of calibration data incorrect. Recalibration necessary. SC.L Short-circuit low Short-circuit between outut and ground. Check wiring: Power suly may be too weak for connected load (leading to collase of voltage, articularly with loads with a high switch-on current such as incandescent lams or caacitances). UFL Underflow The alied ressure is below the measuring range: Increase ressure until it is within the measuring range. OFL Overflow The alied ressure is above the measuring range: Decrease ressure until it is within the measuring range. Dislay of hardware errors or malfunctions (can be switched off) Dislay Meaning Cause / Remedy SC.H Short-circuit high Short-circuit between outut and ower suly. Check wiring. If the switching line from the load (e.g. electrical control device, PLC or similar) is being held at an oen-circuit otential of > 3V, or if several ressure switches are being oerated in arallel, this function should be switched off. Disconnection: during dislay test, then adjust with or U.Lo Voltage low Power suly voltage too low (<17V). Check ower suly: Load may be too large. Disconnection: during dislay test, then adjust with or Messages generated by calling SETUP functions Cod Meaning Requested code or code rogramming CLC Clear code Deletion of current code txx Delay time Setting of filter time constant (Buffering time) xx = Switching outut delay xx {03, 06,12, 24, 50} in ms and xx {O.1, 0.2, O.4} in s. OFS Offset Request for offset adjustment using and buttons. SC.H Short-circuit high Short-circuit monitoring activated U. LO Voltage low Voltage monitoring activated OFF Off Short-circuit or voltage monitoring deactivated. Std Standard mode Standard mode activated HYS Hysteresis mode Hysteresis mode activated FEn Window mode Window mode activated U-C Voltage calibration Voltage outut selected I-C Current calibration Current outut selected 20 Warrendale, PA USA Phone Fax /98

21 Norgren offers electronic solutions for your neumatic circuit design. Electronic Media In addition to rinted catalogs, Norgren offers a wide variety of valuable information at our web site. This is a great source for additional neumatic roduct catalogs, CAD files, circuit design software, distributor locations, customer service and alication engineering contacts. To access our website, set your web browser to: South Delaware Street Littleton, Colorado Phone: Fax: inquiry@usa.norgren.com 8/98 Warrendale, PA USA Phone Fax

22 Digital Dislay Panel Real-time dislay of actual ressure LED status indication Adjustable Hysteresis Indeendent setting of switching and reset ressures Window Mode Caability Off-line Calibration Switching oints can be reset without alied ressure Extremely Long Service Life No moving arts, no mechanical contacts U to 100 million cycles Fast Accurate Resonse 5ms switching time.5% full scale linearity Full 1 Am Switching Caability Normally on or Normally off oeration Otional Versions with Analog Outut Series 32D Electronic Pressure Switches for Hydraulic and High Pressure Alications Technical Data Fluid: Gaseous, liquid, aggressive and neutral fluids Fluid Connection: Flange (mount lates urchased searately) Mounting: Arbitrary Electrical Connection: Versions without analog outut otion have DIN Table A connector. Otional versions with analog outut have DIN (7 in) circular connector. Adjustment Range: 0 to 700 bar Ambient Temerature: 14 to 140 F (-10 to 60 C) Fluid Temerature: 14 to 175 F (-10 to 80 C) Temerature sensitivity (zero oint): 0.4% of FS value/10 K Temerature sensitivity (range): 0.3% of FS value/10 K Switching oint: Adjustable between 0 and 100% of FS value Reset oint: Adjustable between 0 and 100% of FS value Dislay format: 3-1/2 digit LCD Linearity: <0.5 % of FS ± 1 digit Environmental Protection: IP65 Housing Material: Die-cast zinc Wetted Materials: Sensor 304 SS (1.4548) O-ring Viton Series 32D ressure switches are electronic devices for ressure monitoring. The switches consist essentially of a integral ressure sensor, microrocessor evaluation circuitry, and a solid state outut driver. 22 Warrendale, PA USA Phone Fax /98

23 Series 32D Electronic Pressure Switches General Information (Part numbers include mounting screws, o-ring, and electrical mating connector) Pressure dislay in Bar Part No. Switching Pressure Proof/Burst Electrical Analog Outut Ste Size (bar) Pressure (bar) Connection 0 10V and 4 20mA of Dislay (bar) /300 DIN /300 DIN x /400 DIN /400 DIN x /750 DIN /750 DIN x /750 DIN /750 DIN x /1000 DIN /1000 DIN x /1200 DIN /1200 DIN x 3 4 Notes: 1) Mounting lates urchased searately see ) For hydraulic alications with ressure sikes or surges install a ressure snubber. 8/98 Warrendale, PA USA Phone Fax

24 Series 32D Electronic Pressure Switches Electrical arameters Electrical connection DIN Table A without analog outut DIN (7 in), with analog outut Power suly (olarity safe) 18 to 32V dc Permissible residual rile: 10% (within 18 to 32V) Current consumtion: <50 ma (lus load current) DIN with analog outut DIN without analog outut 1 +24V 1 +24V Micro- Controller 3 Uout Imax = 1A = Micro- Controller E 2 PROM (SP,RP) 3Uout Imax = 1A SP RP Load Last E 2 PROM (SP,RP) 2 0V = U I mA 2 0V U I V PE SP RP PE Electromagnetic comatibility Interference emission Acc. to EN Part 1 Interference immunity Acc. to EN Part 2 Switching outut Switching mode Outut voltage Analog outut Contact rating Switching time Service life Switching logic Oen collector PNP transistor switched to suly (suited for inductive load) Suly voltage minus 1.5V (arox) O to l0v and 4 to 20mA I max = 1 A (short-circuit roof) < 5ms 100 million switching cycles Signal on with rising ressure, if SP* > RP* Signal on with falling ressure, if SP < RP *SP = Switching oint *RP = Reset oint 24 Warrendale, PA USA Phone Fax /98

25 Series 32D Electronic Pressure Switches Adjusting the Switching Points (SP) and Reset Points (RP) a) Adjusting the switching oint. Case 1 or Case 2 Q Press and hold the SP button. The dislay will show the revious switching ressure setting, and the dotted bar will flash while the button is ressed down (case 1). You can now use the cursor keys to adjust the switching oint uwards or downwards. If a cursor key is held down, the values will change faster. When the cursor key is released again, the switch-on ressure setting will cease to change. This setting is stored and activated when the SP button is released, after which the dislay will show the current ressure value and the bar will quit flashing. b) Adjusting the reset oint. Case 3 or Case 4 Q c) Setting a buffering time. In order to revent brief ressure sikes or surges from causing undesired switching, a buffering time can be entered. The effect of this is that ressure changes are evaluated only if the ressure signal in question is resent for longer than the buffering time. In order to set a buffering time, ress the button SP before the ower suly is switched on. Release this button again after the ower suly has been switched on. The dislay will then show the buffering time in milliseconds (e.g. 03) or seconds. The cursor buttons, can be used to set the buffering time to 03, 06,12, 24 or 50 ms or 0.1, 0.2 or 0.4 seconds. When this has been done, ress SP to store the setting. d) Setting the ressure switch to ambient ressure = 0. Since ambient ressure varies according to altitude, the user may re-calibrate the zero oint to match local conditions. Press the button RP before the ower suly is switched on. Release this button again after the ower suly has been switched on and the dislay test has run. The dislay will then show "OFS". The cursor buttons, can be used to set the ressure dislay to 0. When this has been done, ress SP to store the setting. Q Q Press and hold the RP button. The dislay will show the revious reset ressure setting, and the dotted bar will flash while the button is ressed down. You can now use the cursor keys to adjust the reset oint in the same manner as described above. During both adjustment oerations, it may occur that the hysteresis grah changes from one state to another at the time a transition is made through the oint "Switching ressure = Reset ressure". When both oints are correctly set, the hysteresis grah will also be correct. You can change between SP and RP as often as you wish until the settings are correct. 8/98 Warrendale, PA USA Phone Fax

26 Series 32D Electronic Pressure Switches e) Hysteresis mode If it is desired to oerate with a fixed hysteresis value instead of the reset oint, this value can be selected as desired. In order to set a hysteresis value, the two buttons SP and must be ressed simultaneously before the ower suly is switched on. Release these buttons again after the ower suly has been switched on and the dislay test has run. The dislay will then show the oerating mode. The cursor buttons, can now be used to change the oerating mode until "HYS" aears in the dislay. When this has been done, ress SP to store the setting. The SP button can be used to dislay the switchingoint setting, which can be modified by means of the cursor buttons,. The button RP can be used to dislay the hysteresis setting, which can also be modified by means of the cursor buttons,. Negative hysteresis means: Signal on with rising ressure (case 1). Positive hysteresis means: Signal on with falling ressure (case 2). If the switching oint is modified, this will automatically also result in a change in the reset oint by a value equal to the hysteresis setting. Case 1 1 Negative hysteresis Release these buttons again after the ower suly has been switched on and the dislay test has run. The dislay will then show the oerating mode. The cursor buttons,. can now be used to change the oerating mode until "FEn" (standing for "Window") in the dislay. When this has been done, ress SP to store the setting. The button SP can be used to dislay the switching-oint setting, which can be modified by means of the cursor buttons,. The distance between the switching oint and reset oint is the switching window. If the switching oint is lower than the reset oint, a signal will be outut as long as the ressure lies within the reset window (case 1, rising ressure). If the switching oint is higher than the reset oint, a signal will be outut as long as the ressure lies outside the reset window (case 2, rising ressure). In the case of falling ressure, the signal is inverted. Case Case 2 1 On = Pressure within window SP < RP Off = Pressure within window Switching oint 0 Case 2 Positive hysteresis 1 0 RP < SP Switching oint 0 f) Window mode Std = Standard mode, switching and reset oints adjustable HYS = Hysteresis mode, switching oint and hysteresis adjustable FEn = Window mode, switching window adjustable If it is desired to monitor whether the ressure lies within a certain range, a switching window can be created for this urose. The ressure switch will then indicate cases in which the actual ressure lies above or below this area. In order to set a switching window, the two buttons SP and must be ressed simultaneously before the ower suly is switched on. 26 Warrendale, PA USA Phone Fax /98

27 Series 32D Electronic Pressure Switches All Dimensions in Inches (mm) General Dimensions 1.97 (50) Connector to DIN (7 Pin) (for versions with analog outut) 2.44 (62) Connector to DIN (3) Mounting Screws M5x (108) 1.85 (47) 2.56 (65) Connector to M12 20 Note: All 32D switches are shied with mounting screws, o-ring and mating electrical connector Mounting Plates.22 (5.5) 1.42 (36) 1.22 (31) 1.57 (40) O-Ring 1.22 (31) G 1/4 Pressure Port Part No Material: Aluminum Part No Material: Stainless 304 (1.4301).22 (5.5) Ø.12 (3) G 1 /4.94 (24) 1.73 (44) A.47 (12) A 1.57 (40).59 (15) M5 View on 'A'.35 (9).45 (11.5).79 (20) 1/4 NPT Pressure Port Part No Material: Aluminum Part No Material: Stainless Steel 304 (1.4301).22 (5.5).22 (5.5) Ø.12 (3).94 (24) 1.73 (44) A 1.57 (40).47 (12) A.59 (15) 1 /4 18 NPT M5 View on 'A'.35 (9).45 (11.5).79 (20) 1.57 (40) 1.57 (40) Note: Stainless steel mounting late suggested for ressures above 250 bar and for any aggressive fluids. 8/98 Warrendale, PA USA Phone Fax

28 Series 32D Electronic Pressure Switches Switching Characteristic Grahs Signal on with rising ressure Setting SP* > RP** SP Signal on with falling ressure Setting SP < RP RP RP SP t t UA U Signal off with rising ressure Setting RP > SP t Signal off with falling ressure Setting RP < SP t RP SP SP RP t t U UA t * SP = Switching oint **RP = Reset oint Exlanation: When the switching oint (SP) is adjusted HIGHER than the reset oint (RP), then the switching outut will be normally off. When the switching oint (SP) is adjusted LOWER than the reset oint (RP), then the switching outut will be normally on. Position of oerating elements Pressure dislay Switching function grah Switching outut LED Switching oint button Raise switching or reset oint button Reset oint button Lower switching or reset oint button 28 Warrendale, PA USA Phone Fax /98

29 Series 32D Electronic Pressure Switches Error messages Dislay of hardware errors or malfunctions Dislay Meaning Cause / Remedy O.Er Outut error Error at switching outut: Circuit-breaker defective, feedback loo to rocessor oen circuit. Reair necessary. E.Er E 2 PROM error E 2 PROM module defective or connection to rocessor faulty. Reair necessary. I.Er Initialization error Checksum of initialization data incorrect. Remedy: Call u any SETUP function and acknowledge the setting with SP. This error message is caused by a data error. All setu values should therefore be checked and corrected if necessary. C.Er Calibration error Checksum of calibration data incorrect. Recalibration necessary. SC.L Short-circuit low Short-circuit between outut and ground. Check wiring: Power suly may be too weak for connected load (leading to collase of voltage, articularly with loads with a high switch-on current such as incandescent lams or caacitances). UFL Underflow The alied ressure is below the measuring range: Increase ressure until it is within the measuring range. OFL Overflow The alied ressure is above the measuring range: Decrease ressure until it is within the measuring range. Dislay of hardware errors or malfunctions (can be switched off) Dislay Meaning Cause / Remedy SC.H Short-circuit high Short-circuit between outut and ower suly. Check wiring. If the switching line from the load (e.g. electrical control device, PLC or similar) is being held at an oen-circuit otential of > 3V, or if several ressure switches are being oerated in arallel, this function should be switched off. Disconnection: during dislay test, then adjust with or U.Lo Voltage low Power suly voltage too low (<17V). Check ower suly: Load may be too large. Disconnection: during dislay test, then adjust with or Messages generated by calling SETUP functions Cod Meaning Requested code or code rogramming CLC Clear code Deletion of current code txx Delay time Setting of filter time constant (Buffering time) xx = Switching outut delay xx {03, 06,12, 24, 50} in ms and xx {O.1, 0.2, O.4} in s. OFS Offset Request for offset adjustment using and buttons. SC.H Short-circuit high Short-circuit monitoring activated U. LO Voltage low Voltage monitoring activated OFF Off Short-circuit or voltage monitoring deactivated. Std Standard mode Standard mode activated HYS Hysteresis mode Hysteresis mode activated FEn Window mode Window mode activated U-C Voltage calibration Voltage outut selected I-C Current calibration Current outut selected 8/98 Warrendale, PA USA Phone Fax

30 Electronic Media Norgren offers electronic solutions for your neumatic roduct selection. Pneusoft is an easy-to-use integrated Windows based software designed to make the selection and secification of Norgren roducts simle and straightforward. Pneusoft allows you to: select individual roducts and save them to a arts list access, view and rint technical data sheets take advantage of built-in sizing rograms to ensure roduct suitability view roduct animation sequences make use of integrated software for configuring valve manifolds 5400 South Delaware Street Littleton, Colorado Phone: Fax: inquiry@usa.norgren.com 30 Warrendale, PA USA Phone Fax /98

31 Warning / Warranty Warning These roducts are intended to use in industrial comressed air systems only. Do not use these roducts where ressures and temeratures can exceed those listed under Secifications. Before using these roducts with fluids other than those secified, for non-industrial alications, life-suort systems, or other alications not within ublished secifications, consult Norgren. Through misuse, age, or malfunction, comonents used in fluid ower systems can fail in various modes. The system designer is warned to consider the failure modes of all comonent arts used in fluid ower systems and to rovide adequate safeguards to revent ersonal injury or damage to equiment in the event of such failure modes. System designers must rovide a warning to end users in the system instructional manual if rotection against a failure mode cannot be adequately rovided. Warranty Limited Warranty, Disclaimer and Limitation of Remedies Items sold by Norgren are warranted to be free from defects in materials and workmanshi for a eriod of two years from the date manufacture, rovided said items are used according to Norgren s recommended usages and within Norgen s secifications. Norgren s liability is limited to the reair of, or relacement in kind of, at Norgren s sole otion, any items roved defective, rovided these items are returned to Norgren reaid. To confirm date of urchase, invoice date or invoice number must be furnished; otherwise, date code on roduct will be used to determine eligibility for warranty coverage. The warranties exressed above are in lieu of and exclusive of all other warranties. System designers and end users are cautioned to review secific warnings found in instruction sheets acked and shied with these roducts. System designers should also rovide for all OSHA requirements including Title 29 CFR Lockout/Tagout. It should be recognized that warnings are valid for any roduct, regardless of manufacturer, and are not restricted to roducts manufactured by Norgren. Norgren s reutation for roduct quality and erformance is well established. We feel we have the additional obligation to rovide information or warnings to customers to assist them in alying our roducts in a reasonable and safe manner. There are no other warranties, exressed or imlied, excet as stated herein. There are no imlied warranties of merchantability or fitness for a articular urose, which are secifically disclaimed. Norgren s liability for breach of warranty as herein stated in the exclusive remedy, and in no event shall Norgren be liable or resonsible for incidental or consequential damages, even if the ossibility of such incidental or consequential damages has been made known to Norgren. Norgren reserves the right to discontinue manufacture of any roduct or change roduct materials, design, or secifications without notice. 8/98 Warrendale, PA USA Phone Fax