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Document 15949 Rev. E 4/12/95 P/N 15949:E
Figure 3-15: CMX-2 Control Module (Form-C Relay)
Break Tabs
To configure a CMX-2 as a Form-C relay, the two tabs must be broken off of the module. Use
a pair of needle-nose pliers to break off each tab.
Communications Loop Connections
Connect the communications loop to CMX-2 Terminals 1(-) and 2 (+). The CMX-2 occupies
one module address on the loop. Set the rotary switches on the CMX-2 to the particular loop
address required.
Contact Connections
Wire the common and the normally-open or normally-closed contacts to the CMX-2 as
needed.
Contact Ratings
Resistive: 2 amps @ 30 VDC
Inductive: 1 amp @ 30 VDC (0.6 pf)
0.3 amps @ 120 VDC (0.35 pf)
Contacts are not rated for pilot duty or motor loads.
Note: Do not apply external voltage when Form-C relay configuration is used until after tabs
are broken. This will prevent damage to the system from induced voltage.
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