| ***Spare part*** SIMATIC S7-1200, Analog output, SM 1232, 4 AO, +/-10 V, 14-bit resolution, or 0-20 mA, 13-bit resolution |
General information |
Product type designation | SM 1232, AQ 4x14 bit |
Supply voltage |
Rated value (DC) | |
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 outputs |
Number of analog outputs | 4; Current or voltage |
Output ranges, voltage |
-10 V 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 for the outputs |
Integration and conversion time/resolution per channel |
Resolution (incl. overrange) | Voltage: 14 bit; Current : 13 bit |
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 range, (+/-) | 0.3 % |
Current, relative to output range, (+/-) | 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 | Yes |
Diagnostics function | Yes |
Alarms |
Diagnostic alarm | Yes |
Diagnostic messages |
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 |
Degree of protection acc. to EN 60529 | |
IP20 | Yes |
Standards, approvals, certificates |
CE mark | Yes |
FM approval | Yes |
RCM (formerly C-TICK) | Yes |
Ambient conditions |
Free fall |
Fall height, max. | 0.3 m; five times, in product package |
Ambient temperature during operation |
min. | 0 °C |
max. | 55 °C |
horizontal installation, min. | 0 °C |
horizontal installation, max. | 55 °C |
vertical installation, min. | 0 °C |
vertical installation, max. | 45 °C |
Ambient temperature during storage/transportation |
min. | -40 °C |
max. | 70 °C |
Air pressure acc. to IEC 60068-2-13 |
Operation, min. | 795 hPa |
Operation, max. | 1 080 hPa |
Storage/transport, min. | 660 hPa |
Storage/transport, max. | 1 080 hPa |
Relative humidity |
Operation at 25 ℃ without condensation, max. | 95 % |
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 |
Enclosure material (front) | |
Plastic | Yes |
Dimensions |
Width | 45 mm |
Height | 100 mm |
Depth | 75 mm |
Weights |
Weight, approx. | 180 g |
last modified: | 03/13/2019 |