| 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 losses |
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 2-conductor 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 creation |
Integrations 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 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 |
Ambient conditions |
Operating temperature |
max. | 60 °C |
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 |
Connection method |
required front connector | 20-pin |
Weight |
Weight, approx. | 280 g |
Status | Mar 12, 2012 |