2-58
AFP-400 Installation
PN
50253
:
A2 03/12/96
CMX
+
Common Contact
Normally Closed Contact
Contacts are not rated for motor loads. Refer to the installation instruction
sheet supplied with the module for additional information.
Control Module
Resistive
Inductive
CMX-1
2 amps @
30 VDC
1 amp @ 30 VDC (0.6 pf)
0.3 amps @ 120 VDC (0.35 pf)
CMX-2
2 amps @
30 VDC
1 amp @ 30 VDC (0.6pf)
Pilot Duty: 0.6 amps @ 30 VDC (0.35pf)
CMX Control Module
(Form-C Relay)
Using a CMX Control
Module as a Form-C Relay
CMX Contact Ratings
Install a CMX module as a Form-C relay by following the instructions in the
following table.
Step Action
1
Configure a CMX as a Form-C relay: Use a pair of needle-nose pliers
to break off the two tabs of the module (see drawing above).
2
Connect the communications loop to CMX terminals 1() and 2 (+).
3
Set the rotary switches on the CMX to the required loop address.
(The CMX takes one module address on the loop.)
4
Wire the common and the normally-open or normally-closed contacts
to the CMX.
Break-off tabs
Normally Open Contact
+
SLC(+) TB 5-1
SLC() TB 5-3
The following drawing shows a CMX module wired to the CPU-400 as a
Form-C relay.
CPU-400
SLC Wiring with CMX Control Modules
to next device
on loop
Installing a CMX Module as a Form-C Relay
Do not power the system if
the tabs are not broken on
all CMX modules used as
Form-C relays.
Installing a CMX Module
as a Form-C Relay
