89
InsTALLATIon And oPerATIon MAnuAL
25-16330-B December 2019 www.eaton.com
Appendix
3 Way Input/Output unit
Install the device as follows .
1. Separate the two halves of the unit.
2. Drill out (or knock out) the required cable entries in the surface mounting
back-box.
3. Fit the back-box in position and pass the wires into it.
4. Connect the unit according to the diagram below.
ote:
n
No addressing of the interface is required . See control panel operation
for details .
Figure 56 . Wiring for 3 way Input/output unit
notes
1. Only connect cable screen to its adjacent earth terminal.
2. The end of line resistor must always be fitted, even if the inputs are unused.
3. Monitored inputs can detect open or short circuit faults.
4. Output relays are volt-free contacts and are not monitored.
