SIPLUS SM 1234 ANALOG INPUT/OUTPUT MODULE

Transcription

1 SIPLUS SM 1234 ANALOG INPUT/OUTPUT MODULE Function The SM 1234 analog input/output signal modules convert analog signals from the process into digital signals for internal processing by the SIMATIC S convert digital signals of the SIMATIC S into signals for controlling the respective process. Technical specifications Page 958 Mar 2008 Siemens ITS

2 6ES HE30-0XB0 SM 1234 A I4x13 bit AQ 2x14 bit Supply voltage 24 V DC Input current Current consumption, typ. 60 ma from backplane bus 5 V DC, typ. 80 ma Power losses Power loss, typ. 2 W Analog inputs Number of analog inputs 4; Current or voltage differential inputs permissible input frequency for current ± 35 V input (destruction limit), max. permissible input voltage for voltage input 35 V (destruction limit), max. permissible input current for voltage input 40 ma (destruction limit), max. Cycle time (all channels) max. 625 µs permissible input current for current input 40 ma (destruction limit), max. Input ranges Voltage ; ±10 V, ±5 V, ±2.5 V Current ; 0 to 20 ma Thermocouple No Page 959 Mar 2008 Siemens ITS

3 Resistance thermometer No Resistance No Input ranges (rated values), voltages -10 V to +10 V Input resistance (-10 V to +10 V) 9 MOhm -2.5 V to +2.5 V Input resistance (-2.5 V to +2.5 V) 9 MOhm -5 V to +5 V Input resistance (-5 V to +5 V) 9 MOhm Input ranges (rated values), currents 0 to 20 ma Input resistance (0 to 20 ma) 250 ohms Temperature compensation Parameterizable No Analog outputs Number of analog outputs 2; Current or voltage Output ranges, voltage -10 to +10 V Output ranges, current 0 to 20 ma Load impedance (in rated range of output) with voltage outputs, min Ω with current outputs, max. 600 Ω Analog value creation Page 960 Mar 2008 Siemens ITS

4 Measurement principle Differential Integrations and conversion time/ resolution per channel Resolution (incl. overrange) Voltage: 14 bits; Current : 13 bits Resolution with overrange (bit including 12 bit; + sign sign), max. Integration time, parameterizable Interference voltage suppression for 40 db, DC to 60 V for interference interference frequency f1 in Hz frequency 50 / 60 Hz Smoothing of measured values Parameterizable Step: None Step: low Step: Medium Step: High Errors/accuracies Temperature error (relative to input area) 25 C ±0.1 % to 55 C ±0.2 % total measurement range Temperature error (relative to output area) 25 C ±0.3% to 55 C ±0.6% total measurement range Basic error limit (operational limit at 25 C) Voltage, relative to input area +/- 0,1 % Current, relative to input area +/- 0,1 % Page 961 Mar 2008 Siemens ITS

5 Voltage, relative to output area +/- 0,3 % Current, relative to output area +/- 0,3 % Interference voltage suppression for f = n x (fl +/- 1%), fl = interference frequency common mode voltage, max. 12 V Interrupts/diagnostics/status information Alarms Alarms Diagnostic alarm Diagnoses Diagnostic functions Monitoring the supply voltage to the electronics Wire break Short circuit Diagnostics indication LED for status of the inputs For status of the outputs for maintenance Galvanic isolation Galvanic isolation analog outputs between the channels and the power No supply of the electronics Climatic and mechanical conditions for s Page 962 Mar 2008 Siemens ITS

6 storage and transport Climatic conditions for storage and transport Free fall Drop height, max. (in packaging) Temperature Permissible temperature range Air pressure acc. to IEC Permissible air pressure Mechanical and climatic conditions during operation Climatic conditions in operation Temperature Permissible temperature range Air pressure acc. to IEC Permissible air pressure Pollutant concentrations SO2 at RH < 60% without 0.3 m; five times, in dispatch package -40 C to +70 C 1080 to 660 hpa 0 C to 55 C horizontal installation 0 C to 45 C vertical installation 1080 to 795 hpa S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free Page 963 Mar 2008 Siemens ITS

7 condensation Degree and class of protection IP20 Standards, approvals, certificates CE mark C-TICK FM approval Connection method required front connector Mechanics/material Type of housing (front) Plastic Dimensions Width Height Depth Weight Weight, approx. 45 mm 100 mm 75 mm 220 g Page 964 Mar 2008 Siemens ITS