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SIMATIC S7-1200, ANALOG OUTPUT, SM 1232, 2 AO, +/-10V, 14 BIT RESOLUTION, OR 0-20 MA, 13 BIT RESOLUTION, |
| Supply voltage |
| 24 V DC |
Yes |
| Input current |
| Current consumption, typ. |
45 mA |
| from backplane bus 5 V DC, typ. |
80 mA |
| Power loss |
| Power loss, typ. |
1.5 W |
| Analog inputs |
| Number of analog inputs |
0 |
| Thermocouple (TC) |
| Temperature compensation |
| — parameterizable |
No |
| Analog outputs |
| Number of analog outputs |
2; Current or voltage |
| Output ranges, voltage |
| ● -10 to +10 V |
Yes |
| Output ranges, current |
| ● 0 to 20 mA |
Yes |
| Load impedance (in rated range of output) |
| ● with voltage outputs, min. |
1 000 Ω |
| ● with current outputs, max. |
600 Ω |
| Analog value generation |
| Measurement principle |
Differential |
| Integration and conversion time/resolution per channel |
| ● Resolution (incl. overrange) |
Voltage: 14 bits; Current : 13 bits |
| ● Integration time, parameterizable |
Yes |
| ● Interference voltage suppression for interference frequency f1 in Hz |
40 dB, DC to 60 V for interference frequency 50 / 60 Hz |
| Errors/accuracies |
| Temperature error (relative to output range), (+/-) |
25 °C ±0.3% to 55 °C ±0.6% total measurement range |
| Basic error limit (operational limit at 25 °C) |
| ● Voltage, relative to output area, (+/-) |
0.3 % |
| ● Current, relative to output area, (+/-) |
0.3 % |
| Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency |
| ● Common mode voltage, max. |
12 V |
| Interrupts/diagnostics/status information |
| Alarms |
| ● Alarms |
Yes |
| ● Diagnostic alarm |
Yes |
| Diagnostic messages |
| ● Diagnostic functions |
Yes |
| ● Monitoring the supply voltage |
Yes |
| ● Wire-break |
Yes |
| ● Short-circuit |
Yes |
| Diagnostics indication LED |
| ● for status of the outputs |
Yes |
| ● for maintenance |
Yes |
| Degree and class of protection |
| IP20 |
Yes |
| Standards, approvals, certificates |
| CE mark |
Yes |
| RCM (former C-TICK) |
Yes |
| FM approval |
Yes |
| Climatic and mechanical conditions for storage and transport |
| Climatic conditions for storage and transport |
| Free fall |
| — Drop height, max. (in packaging) |
0.3 m; five times, in dispatch package |
| Temperature |
| — permissible temperature range |
-40 °C to +70 °C |
| Air pressure acc. to IEC 60068-2-13 |
| — permissible air pressure |
1080 to 660 hPa |
| Relative humidity |
| — permissible range (without condensation) at 25 °C |
95 % |
| Mechanical and climatic conditions during operation |
| Climatic conditions in operation |
| Temperature |
| — permissible temperature range |
0 °C to 55 °C horizontal installation, 0 °C to 45 °C vertical installation |
| Air pressure acc. to IEC 60068-2-13 |
| — permissible air pressure |
1080 to 795 hPa |
| Pollutant concentrations |
| — SO2 at RH < 60% without condensation |
S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free |
| Connection method |
| required front connector |
Yes |
| Mechanics/material |
| Type of housing (front) |
|
| ● Plastic |
Yes |
| Dimensions |
| Width |
45 mm |
| Height |
100 mm |
| Depth |
75 mm |
| Weights |
| Weight, approx. |
180 g |
| last modified: |
31.07.2014 |
