Notifier AFP-400 - Page 90

 ,QVWDOODWLRQ Wiring a Signaling Line Circuit (SLC)
2-54 AFP-300/AFP-400 Installation PN 50253:C1 05/22/97
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The CMX Control Module is an addressable module that supervises and switches
power to a Notification Appliance Circuit (NAC). You can use CMXs for one of the
following applications:
• Switch 24 VDC NAC Power for NFPA Style Y (Class B) and NFPA Style Z
(Class A) circuits; or
• Control a dry contact relay (when configured as a Form-C control relay).
Figure 2-73 shows a CMX module configured for powering a 24 VDC NAC:
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Figure 2-74 shows a CMX module wired to the CPU as a Form-C relay:
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Ratings for the dry contacts on a CMX Form-C module are:
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The CMX module contains a magnetic test switch located on the front of the module.
Activate the test switch by placing a magnet over the CMX plastic cover. A test switch
activation causes a short circuit indication on a Style B or Style D NAC.
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Resistive: 2 A @ 30 VDC
Inductive: 1 A @ 30 VDC (0.6pf)
Pilot Duty: 0.6 A @ 30 VDC (0.35pf)
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