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Operation
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86
5.6.5
Relay output configuration
The relay contact can be configured as normally open (NO or make) or normally closed (NC or
break) contacts by means of two jumpers on the pluggable submodule. This configuration can be
called up at any time with the ACTUAL STATUS RELAY function (4740).
Warning!
Risk of electric shock. Exposed components carry dangerous voltages. Make sure that the power
supply is switched off before you remove the cover of the electronics compartment.
1.
Switch off power supply.
Remove the I/O board. → Page 152
2.
3.
Position the jumpers (see Figure).
"
Caution!
If you change the setting, you must always change the positions of both jumpers!
Note precisely the specified positions of the jumpers.
4.
Installation of the I/O board is the reverse of the removal procedure.
1
2
3
4
1
2
3
4
P U
1
2
I N
3
4
I N
Fig. 53:
Configuring relay contacts (NC/NO) on the convertible I/O board (submodule) with the help of jumpers.
1
Configured as NO contact (factory setting, relay 1)
2
Configured as NC contact (factory setting, relay 2)
1
2
3
4
3
U T
T P
O U
T /
4
U T
T P
O U
T /
P U
Proline Promag 53 PROFIBUS DP/PA
+
1
2
+
Endress+Hauser
a0004412
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