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SIMATIC S7-1200, ANALOG OUTPUT, SM 1232, 2 AO, /-10V, 14 BIT RESOLUTION, OR 0 - 20 MA/4 - 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 losses |
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 creation |
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 |
Degree of protection to EN 60529 |
|
● IP20 |
Yes |
Standards, approvals, certificates |
CE mark |
Yes |
RCM (formerly C-TICK) |
Yes |
FM approval |
Yes |
Highest safety class achievable in safety mode |
● SIL according to IEC 61508:2010 |
none |
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 |
-20 °C to 60 °C horizontal mounting, -20 °C to 50 °C vertical mounting, 95% humidity, non-condensing |
— Min. |
-20 °C |
— max. |
60 °C |
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: |
13.10.2014 |