User Documentation

3 System description of safe I/O modules | Operating with and without own test pulses
13u-remote IP20 modules for functional safety manual 1484600000/07/11.2020
Examples for operating with test pulses
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2
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4
DI X (PN)
AUX-O X
AUX-O Y
DI Y (P)
Connecting example typeA sink
Input current 2.5mA typ. (acc. to Type3 as per EN61131-2)
Output voltage:
AUX-OX, P-switching 22V typ. (Supply voltage minus 2V)
AUX-OX, N-switching 0V
AUX-OY Supply voltage 24V typ.
Input capacity 10nF typ.
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2
3
4
+24 V DC
DI X (PN)
AUX-O X
AUX-O Y
DI Y (P)
Safety relay
Connecting example typeB sink
Test pulse delay Depending on the parameterisation
Test pulse duration
0.5 to 10ms; depending on the parameterised input
delay
Test pulse intervall 1200ms
Input capacity 10nF typ.
Antivalent circuits are possible with V2 modules only.
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2
3
4
DI X (PN)
AUX-O X
AUX-O Y
DI Y (P)
Connecting example with antivalent input circuit (V2 only)
For the operation with test pulses the V2modules can be
installed either with three or with four wires:
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2
3
4
DI X
AUX-O X
AUX-O Y
DI Y
Operation with own test pulses, 4-wire installation
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2
3
4
DI X
AUX-O X
AUX-O Y
DI Y
Operation with own test pulses, 3-wire installation
Examples for operating without test pulses
The following parameter settings are needed if an external
device is connected that generates test pulses by its own:
V1modules: test pulse “disabled“
V2modules: test pulse “external”.
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2
3
4
+24 V DC
GND
DI X (PN)
AUX-O X
AUX-O Y
DI Y (P)
OSSD
Safety
device
Connecting example for operation without own test pulses, typeCsink, class1
Test pulse duration Max. 1ms
Test pulse intervall Min. 0
Input resistance Min. 7.2kOhm (at 18V)
Input capacity Max. 10nF typ.
Input inductivity Max. 1mH