107INSTALLATION AND OPERATION MANUAL 25-16328-B November 2020 www.eaton.com
Section 4: Appendix
Technical I/O Unit Wiring (CFC301)
Installation
Each unit terminal connector is suitable for clamping a single cable conductor up to a
maximum of 2.5mm²
1. Remove the front cover of the unit
2. Remove the internal PCB
3. Drill out the required holes for cable entries
4. Mount the back box in the required position
5. Refit the internal PCB
6. Install wiring through the pre-drilled holes ensuring care is taken not to damage
the circuit board
7. Connect the unit as per diagram below
8. Refit front cover
9. Recommended Loop Cable Type: FIRETUF, FP200, MICC
ote: N
Addressing of the unit is not required (see control panel operation for details).
This unit will take 2 addresses, one for input and one for output.
There are no serviceable parts so no maintenance procedures apply
Standard connections
9
E
22k
22k
5k6 5k6
- - -
- -+ + +
+ +
LOOP
IN OUT
ANALOGUE
ADDRESSABLE LOOP
INPUTS
OUTPUTS
N/O N/O N/OC C CN/C
N/C
N/C
22k
5k6
1
R elay 2 R elay 3
2 3