User manual

Detailed descriptions of I/O modules | Digital relay output module UR20-4RO-CO-255
127Manual u-remote1432790000/03/02.2014
DigitalrelayoutputmoduleUR20-4RO-CO-255(OrderNo.1315550000)
The digital relay output module UR20-4 RO-CO-255 can
control up to 4 actuators each with a maximum of 6 A.
Eachconnector features a potential-free changeover contact.
A status LED is assigned to each channel.
ACHTUNG
When using relais modules UR20-4RO-CO-255 in explosive
atmosphere:
– Condensation shall be avoided.
– If the switching voltage exceeds 63V, a transient protec-
tion device shall be provided that limits the transients to
a peak voltage of 500V or less.
1
2
3
4
2
1
3
4
1
2
3
4
2
4
3
1
2
4
3
1
4RO·CO255
COM0
NC1
NC0
COM1
NC2
COM2
NC3
COM3
NO0
NO1
NO2
NO3
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ConnectiondiagramUR20-4RO-CO-255
6.14 DigitalrelayoutputmoduleUR20-4RO-CO-255