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SIMATIC S7, ANALOG OUTPUT SM 332, OPTICALLY ISOLATED, 4 AO, 0/4 UP TO 20 MA, 20 PIN, FOR SIGNALS FROM HAZARDOUSAREAS CAPABLE OF DIANOST., PTB-TESTED |
Supply voltage |
Load voltage L+ |
● Rated value (DC) |
24 V |
Input current |
from load voltage L+ (without load), max. |
180 mA |
from backplane bus 5 V DC, max. |
80 mA |
Power loss |
Power loss, typ. |
4 W |
Analog outputs |
Number of analog outputs |
4 |
Voltage output, short-circuit protection |
Yes |
Voltage output, short-circuit current, max. |
70 mA |
Current output, no-load voltage, max. |
14 V |
Output ranges, current |
● 0 to 20 mA |
Yes |
● 4 to 20 mA |
Yes |
Connection of actuators |
● for current output two-wire connection |
Yes |
Load impedance (in rated range of output) |
● with current outputs, max. |
500 Ω |
Cable length |
● Cable length, shielded, max. |
200 m |
Analog value generation |
Integration and conversion time/resolution per channel |
● Resolution with overrange (bit including sign), max. |
15 bit |
● Basic conversion time, ms |
2,5 ms |
Errors/accuracies |
Operational error limit in overall temperature range |
● Current, relative to output area, (+/-) |
0.55 % |
Basic error limit (operational limit at 25 °C) |
● Current, relative to output area, (+/-) |
0.2 % |
Interrupts/diagnostics/status information |
Diagnostic messages |
● Diagnostic functions |
Yes |
● Diagnostic information readable |
Yes |
● Overrange |
Yes |
● Wire-break in actuator cable |
Yes |
● Group error |
Yes |
Diagnostics indication LED |
● Short-circuit per channel (red) |
Yes |
● Short-circuit group error (red) |
Yes |
Ex(i) characteristics |
Module for Ex(i) protection |
Yes |
Galvanic isolation |
Galvanic isolation analog outputs |
● Galvanic isolation analog outputs |
Yes |
Permissible potential difference |
between outputs and MANA (UCM) |
60 V DC/30 V AC when used in the hazardous area; 400 V DC/250 V AC when used in NON-hazardous area |
between the outputs (UCM) |
60 V DC/30 V AC when used in the hazardous area; 400 V DC/250 V AC when used in NON-hazardous area |
Standards, approvals, certificates |
Use in hazardous areas |
● Type of protection acc. to EN 50020 (CENELEC) |
[EEx ib] IIC |
● Type of protection acc. to FM |
Class I, Division 2, Group A, B, C, D T4 |
● Test number PTB |
Ex-96.D.2026X |
Ambient conditions |
Operating temperature |
● max. |
60 °C |
Connection method |
required front connector |
20-pin |
Weights |
Weight, approx. |
280 g |
last modified: |
21.08.2014 |