SM 1231 ANALOGINPUT MODULE

Transcription

1 SM 1231 ANALOGINPUT MODULE Function The SM 1231 analog input signal modules convert analog signals from the process into digital signals for internal processing by the SIMATIC S Technical specifications Page 879 Mar 2008 Siemens ITS

2 Technical specifications 6ES HD30-0XB0 6ES HF30-0XB0 SM 1231 AI 4x13 bit SM 1231 AI 8 x 13 bit Supply voltage 24 V DC Yes Yes Input current Current consumption, typ. 45 ma 45 ma from backplane bus 5 V DC, 80 ma 90 ma typ. Power losses Power loss, typ. 1.5 W 1.5 W Analog inputs Number of analog inputs 4; Current or voltage differential inputs 8; Current or voltage differential inputs Page 880 Mar 2008 Siemens ITS

3 permissible input frequency for± 35 V ± 35 V current input (destruction limit), max. permissible input voltage for 35 V 35 V voltage input (destruction limit), max. permissible input current for voltage input (destruction limit), max. 40 ma 40 ma Cycle time (all channels) max. 625 µs 625 µs permissible input current for 40 ma 40 ma current input (destruction limit), max. Input ranges Voltage Yes; ±10 V, ±5 V, ±2.5 V Yes; ±10 V, ±5 V, ±2.5 V Current Yes; 0 to 20 ma Yes; 0 to 20 ma Thermocouple No No Resistance thermometer No No Resistance No No Input ranges (rated values), voltages -10 V to +10 V Yes Yes Input resistance (-10 V to +10 V) 9 MOhm 9 MOhm Page 881 Mar 2008 Siemens ITS

4 -2.5 V to +2.5 V Yes Yes Input resistance (-2.5 V to 9 MOhm 9 MOhm +2.5 V) -5 V to +5 V Yes Yes Input resistance (-5 V to +5 9 MOhm 9 MOhm V) Input ranges (rated values), currents 0 to 20 ma Yes Yes Input resistance (0 to ohms 250 ohms ma) Temperature compensation Parameterizable No No Analog outputs Number of analog outputs 0 0 Analog value creation Integrations and conversion time/ resolution per channel Resolution with overrange 12 bit; + sign 12 bit; + sign (bit including sign), max. Integration time, Yes Yes parameterizable Interference voltage suppression Page 882 for interference 40 db, DC to 60 V for interferencemar frequency / 40 db, DC to 60 V for interference frequency Siemens 50 ITS/

5 Interference voltage suppression for interference frequency f1 in Hz 40 db, DC to 60 V for interference frequency 50 / 60 Hz Smoothing of measured values Parameterizable Yes Yes Step: None Yes Yes Step: low Yes Yes Step: Medium Yes Yes Step: High Yes Yes Errors/accuracies Temperature error (relative to input area) Basic error limit (operational limit at 25 C) Voltage, relative to input area Current, relative to input area Interference voltage suppression for f = n x (fl +/- 1%), fl = interference frequency 40 db, DC to 60 V for interference frequency 50 / 60 Hz 25 C ±0.1 % to 55 C ±0.225 C ±0.1 % to 55 C % total measurement range ±0.2 % total measurement range +/- 0,1 % +/- 0,1 % +/- 0,1 % +/- 0,1 % Page 883 Mar 2008 Siemens ITS

6 common mode voltage, max. 12 V 12 V Interrupts/diagnostics/status information Alarms Alarms Yes Yes Diagnostic alarm Yes Yes Diagnoses Diagnostic functions Yes Yes Monitoring the supply voltage Yes Yes to the electronics Wire break No No Diagnostics indication LED for status of the inputs Yes Yes for maintenance Yes Yes Galvanic isolation Galvanic isolation analog outputs between the channels and the power supply of the electronics Climatic and mechanical conditions for storage and transport No Page 884 Mar 2008 Siemens ITS No

7 Climatic conditions for storage and transport Free fall 0.3 m; five times, in dispatch package 0.3 m; five times, in dispatch package Drop height, max. (in packaging) Temperature -40 C to +70 C -40 C to +70 C Permissible temperature range Air pressure acc. to IEC to 660 hpa 1080 to 660 hpa Permissible air pressure Mechanical and climatic conditions during operation Climatic conditions in operation Temperature Permissible temperature range Air pressure acc. to IEC C to 55 C horizontal installation 0 C to 45 C vertical installation 0 C to 55 C horizontal installation 0 C to 45 C vertical installation Page 885 Mar 2008 Siemens ITS

8 1080 to 795 hpa 1080 to 795 hpa Permissible air pressure Pollutant concentrations S02: < 0.5 ppm; H2S: < 0.1 SO2 at RH < 60% ppm; RH < 60% without condensation condensation-free Degree and class of protection IP20 Yes Yes Standards, approvals, certificates CE mark Yes Yes C-TICK Yes Yes FM approval Yes Yes Connection method required front connector Yes Yes Mechanics/material Type of housing (front) Plastic Yes Yes Dimensions Width 45 mm 45 mm Height 100 mm 100 mm Depth 75 mm 75 mm Weight S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free Page 886 Mar 2008 Siemens ITS