Proportional directional valves type DPZO-A* two stage without position transducer, ISO 4401 sizes 10, 16 and 25

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1 wwwatoscom Table F70-9/E Proportional directional valves type DPZO-* two stage out position transducer, ISO 0 sizes 0, 6 and 5 Communication plastic connector, see section 5 DPZO-E-5 DPZO-ES-PS-7 (dotted line) MODEL CODE DPZO Piloted proportional directional valve = out position transducer E = as plus integral electronics ES = as plus integral digital electronics Communication interfaces (only for ES) PS = RSserial BC = CNbus BP = PROFIBUS-DP Valve size: =0 = 6 = 5 Spool overlapping in central position, see section : = P,, B, T positive overlapping = P positive overlapping;, B, T negative overlapping Spool type L = linear; S = progressive D =as S, but P- = Q, P-B = Q/ -ES-PS D 5 / * ** /* Configuration, see section : 5 = external plus central position, spring centered 7 = positions; spring centered B connector Options: B = solenoid and integral electronics at side of port B of the main stage; D = internal drain E = external pilot G = pressure reducing valve for piloting for - execution: 6 = 6 VDC coil instead of standard 8 = 8 VDC coil instead of standard for -E execution: I =current reference ( 0 m) Q =enable signal for -ES execution: Z =double power supply, enable and fault ( pins connector) Spool size:, 5 see section Power supply connector, metallic or plastic, see section 5 Synthetic fluids: WG = water-glycol PE = phosph ester Series number DPZO-* are two stage proportional valves out position transducer, which provide both directional and non compensated flow control according to the electronic reference signal They operate in association electronic drivers, see section 9, which supply the proportional valves correct current signal to align valve regulation to the reference signal supplied to the electronic driver They are available in different executions: -, out position transducer; -E, -ES as - plus analogue (E) or digital (ES) integral electronics The -way spool, sliding into a 5- chambers body, is piloted in open loop by the proportional pressure reducing valve type DHRZO The integral electronics ensures factory presetting, fine functionality plus valve-tovalve interchangeability and simplified wiring and installation Following communication interfaces are available for the digital -ES execution: -PS, RS serial communication interface The valve reference signal is provided analogue commands via the 7 (or ) pins connector -BC, CNbus interface -BP, PROFIBUS-DP interface In the -BC and -BP interfaces the valve reference signal is provided via fieldbus; during start up or maintenance, the valves can be operated analogue signals via the 7 (or ) pins connector To compensate flow variations due to modification of the load conditions, modular pressure compensators are available to keep a constant Δp across the valve (see tab D50) The coils are fully plastic encapsulated (insulation class H) and valves have antivibration, antishock and weather-proof features Surface mounting: ISO 0 size 0, 6 and 5 Max flow respectively up to 60 l/min, 0 l/min and 680 l/min valve differential pressure Δp = 0 bar, see section Max pressure: 50 bar HYDRULIC CHRCTERISTICS (based on mineral oil ISO VG 6 at 50 C) Hydraulic symbols *7, *7/B *7 *5 *5 *5/B *5/B a b a b b b a a Valve model Spool type and size Pressure limits, see sect 6 [bar] Max flow [l/min] at Δp = 0 bar () at Δp = 0 bar at Δp max = ( ) bar Response time () [ms] Hysteresis [%] Repeatability L DPZO- DPZO- DPZO- S5 D5 S D L5 S5 D5 L5 S5 D < : : 00 Ports P,, B, X = 50; T = 50; Y = (50) 0 : 80 5 : (50) (0) < (0) 80 : 0 0 : 5 60 (0) (0) bove performance data refer to valves coupled tos electronic drivers, see section 9 () For different Δp, the max flow is in accordance to the diagrams in section 6 () Response times at step signal (0% 00%) are measured from 0% to 90% of step value and are strictly referred to the valve regulation (0) < 0 60 : 0 60 : (0) F70

2 MIN CHRCTERISTICS OF PROPORTIONL DIRECTIONL VLVES TYPE DPZO-* ssembly position ny position Subplate surface finishing Roughness index, flatness ratio 0,0/00 (ISO 0) mbient temperature -0 C +70 C for - execution; -0 C +60 C for -E and -ES executions Fluid Hydraulic oil as per DIN for other fluids see section Recommended viscosity 5 00 mm /s at 0 C (ISO VG 5 00) Fluid contamination class ISO 8/5 achieved in line filters of 0 μm and β0 _>75 (recommended) Fluid temperature -0 C +60 C (standard and /WG seals) -0 C +80 C (/PE seals) Coils characteristics 6 VDC coil 8 VDC coil Coil resistance R at 0 C, Ω, Ω, Ω Max solenoid current,9,5 0,9 Max power 0 Watt Protection degree (CEI EN-6059) See sect 5 Relative duty factor Continuous rating (ED=00%) INTEGRL ELECTRONICS OPTION ND WIRING Option /I It provides the 0 m current reference signal instead of the standard 0 0 V It is normally used in case of long distance between the machine control unit and the valve or where the reference signal can be affected by electrical noise In case of breakage of the reference signal cable, the valve functioning is disabled Option /Q Safety option providing the possibility to enable or disable the valve functioning out cutting the power supply Option /Z Safety option, specifically introduced for -BC and -BP communication interfaces, provides two separated electric power supplies for the digital electronic circuits and for the solenoid power supply stage The Enable and Fault signals are also available The allows to interrupt the valve functioning by cutting the solenoid power supply (eg for emergency, as provided by the European Norms EN95- for components safety class ), but keeping energized the digital electronic circuits, thus avoiding fault conditions of the machine fieldbus controller For the electrical wiring of -ES, electronics ( pins connector), see tab G5 Integral electronics wiring For the electric wiring shielded cables must be provided: the shield must be connected to the power supply zero on the generator side, see tab F00 POWER SUPPLY CONNECTOR PIN SIGNL DESCRIPTION -E, -ES -E/I -E/Q B Power supply VDC Power supply zero Stabilized: +VDC Filtered and rectified: V rms = (ripple max V pp ) C Signal zero Reference 0 VDC Reference 0 VDC Enabling input normal working 9 VDC D Input signal + E Input signal - F G Monitor driving current Earth 0 0 VDC (for single solenoid valve) ± 0 VDC (for double solenoid valve) 0 m 0 5 V (for single solenoid valve) ± 5 V (for double solenoid valve) V = (referred to pin C) Connect only when the power supply is not conform to VDE 055 (CEI /6) 0 0 V (for single solenoid valve) ± 0 V (for double solenoid valve) 0 5 V (for single solenoid valve) ± 5 V (for double solenoid valve) V = (referred to pin B) Communication options Pin number Signal description 5 COMMUNICTION CONNECTORS (for -ES) -PS (RS) -BC (CN Bus) -BP (PROFIBUS-DP) male connector male connector female connector (reverse key) RS_GND Signal zero data line RS_RX Valves receiving data line RS_TX Valves transmitting data line CN_SHLD Shield CN_GND Signal zero data line CN_H Bus line (high) CN_L Bus line (low) +5V Termination voltage LINE - Bus line (high) DGND Signal zero data line / termination voltage LINE-B Bus line (low) SHIELD Shield Note: - electrical signals (eg actual - feedback signals) acquired via valve electronics must not be used to switch off the machine safety functions This is in accordance the European standards (Safety requirements of fluid technology systems and components - hydraulics, EN-89) - installation notes basic information for commissioning and start-up, are always supplied relevant components, together the specific technical tables 5 Model codes of power supply and communication connectors VLVE VERSION - -E, -ES -ES/Z -RS (-PS) OR CNBUS (-BC) PROFIBUS (-BP) CONNECTOR CODE SP-666 SP-ZH-7P () SP-ZM-7P () SP-ZH-P () SP-ZH-5P () SP-ZH-5P/BP () CONNECTOR CODE IP65 IP67 IP67 IP65 IP67 IP67 () to be ordered separately 5 PROGRMMING DEVICES The functional parameters of the digital valves, as the bias, scale, ramp and linearization of the regulation characteristic, can be easily set and optimized graphic interface by using the following software programming devices suitable for standard PC: KIT-E-SW-PS for electronics RS interface (option -PS) KIT-E-SW-BC for electronics CNbus interface (option -BC) KIT-E-SW-BP for electronics PROFIBUS-DP interface (option -BP) see tab G500 for complete information about the programming device kits and for the PC minimum requirements Only for the -BC and -BP communication options, the functional parameters can be alternatively set via fieldbus through the machine control unit, using the standard communication protocol implemented by tos The protocol operating instructions to be implemented in the standard protocols (DS0V0, DSP08 for CNbus and DPVO for PROFIBUS-DP) are described in the user manuals MN-S-BC (for -BC option) and MN-S-BP (for -BP option) supplied the relevant programming device kits The above programming devices have to be ordered separately

3 6 DIGRMS (based on mineral oil ISO VG 6 at 50 C) 6 Regulation diagrams 5 DPZO-: = linear spool L5 = differential spool S5, D5 DPZO-: = progressive spool S, D = progressive spool S5, D5 5 = linear spool L5 DPZO-: 6 = linear spool L5 7 = progressive spool S5, D5 Max flow [l/min] at Δp = 0 bar Max flow [l/min] at Δp = 0 bar 7 6 Note: ) For the valves digital electronics, the regulation characteristic can be modified by setting the internal software parameters, see tab G500 ) Hydraulic configuration vs reference signal: (for double solenoid valves) Reference signal 0 +0 V P n / B n T 0 m Stroke [% of max] Stroke [% of max] Reference signal [V] Reference signal [V] X = Threshold for bias activation depending to the valve type and amplifier type Reference signal 0-0 V P n B / n T m 6 Flow /Δp diagram Stated at 00% of valve stroke DPZO-: = spool L5, S5, D5 DPZO-: = spool L5, S5, D5 = spool S, D DPZO-: = spool L5, S5, D5 Flow rate [l/min],flow rate [l/min] Valve pressure drop Δp [bar] Valve pressure drop Δp [bar] 6 Operation as throttle valve Single solenoid valves (*5) can be used as simple throttle valves: Pmax = 50 bar For this application, the use of valve -T, -TE or -TES (see tab F7) is advisable (consult our technical office) VLVE TYPE DPZO-* DPZO-* DPZO-* Max flow [l/min] Δp [bar] Oil ports configuration The standard configuration is internal pilot through port P and external drain through port Y For the orifice location to modify the pilot/drain configuration, see tab E080 If the working pressure is over 00 bar, select option /G to reduce the piloting pressure or select the external pilot (option /E) The minimum piloting pressure is 0 bar In case the system pressure could drops at values lower than 0 bar, select the external pilot (option /E) The internal drain, option /D, can be selected only if the backpressure on port T is < bar F70

4 7 INSTLLTION DIMENSIONS FOR DPZO- ND DPZO- [mm] DPZO- Mounting surface: socket head screws M6x0 class 9 Tightening torque = 5 Nm Seals: 5 OR 050; OR 08 Diameter of ports, B, P, T: Ø = mm; Diameter of ports X, Y: Ø = 5 mm; P,B T X Y = PRESSURE PORT = USE PORT = TNK PORT = EXTERNL PILOT PORT = DRIN PORT DPZO-- DPZO-E- DPZO-ES-*- NOTE: The overall height is increased by 0 mm for /G option For option /B the proportional solenoid (in case of single solenoid execution) or the integral electronics (in case of execution -E and -ES) is at side of port B of the main stage DPZO- DPZO-*-5* 7,7 DPZO-*-7* 8,6 E, ES 8, 9, Mounting surface: socket head screws M0x50 class 9 Tightening torque = 70 Nm socket head screws M6x0 class 9 Tightening torque = 5 Nm Seals: OR 0; OR 09/70 Diameter of ports, B, P, T: Ø = 0 mm; Diameter of ports X, Y: Ø = 7 mm; DPZO-- P = PRESSURE PORT,B = USE PORT T = TNK PORT X = EXTERNL PILOT PORT Y = DRIN PORT DPZO-E- DPZO-ES-*- NOTE: The overall height is increased by 0 mm for /G option For option /B the proportional solenoid (in case of single solenoid execution) or the integral electronics (in case of execution -E and -ES) is at side of port B of the main stage E, ES DPZO-*-5* DPZO-*-7*,9,8,,

5 8 INSTLLTION DIMENSIONS FOR DPZO- [mm] DPZO- Mounting surface: socket head screws Mx50 class 9 Tightening torque = 5 Nm Seals: OR ; OR 056 Diameter of ports, B, P, T: Ø = mm; Diameter of ports X, Y: Ø = 7 mm; DPZO-- P,B T X Y = PRESSURE PORT = USE PORT = TNK PORT = EXTERNL PILOT PORT = DRIN PORT DPZO-E- DPZO-ES- NOTE: The overall height is increased by 0 mm for /G option For option /B the proportional solenoid (in case of single solenoid execution) or the integral electronics (in case of execution - E and -ES) is at side of port B of the main stage E, ES DPZO-*-5* DPZO-*-7* 7, 8 7,5 8, 9 ELECTRONIC DRIVERS FOR DPZO-* Valve model Drivers model E-MI-C-0*F E-BM-C-0*F - -E -ES E-ME-C-0*F E-RP-C-0*F E-RI-E Data sheet G00 G05 G05 G00 G0 For complete information about the drivers characteristics and relevant options, see the technical data sheet specified in the table E-RI-ES G5 0 MOUNTING SUBPLTES FOR DPZO-, DPZO-, DPZO- Size Model Ports locations Ø Counterbore Gas ports Mass [mm] [Kg], B, P, T X, Y, B, P, T X, Y B-8 B-8 B-508 6,5 6,5 6 5,6,5 7 B- B-59 B-509 Ports P, T, X, Y underneath; ports, B on lateral side Ports P, T, X, Y underneath; ports, B on lateral side Ports P, T, X, Y underneath; ports, B on lateral side 6, ,5 8,5 0/07