2-54
AFP-400 Installation
PN
50253
:
A2 03/12/96
SLC Wiring with MMX Monitor Modules
to the next
device on
the loop
compatible
two-wire smoke
detectors
Refer to the Device Compat-
ibility Document 15378 for
detector and power supervi-
sion relays. For more
information, refer to the
MMX-2 Installation Instruc-
tions, Document M500-03-00.
The block diagram shows typical MMX-2 wiring for a supervised and power
limited NFPA Style B initiating device circuit.
Module
Connect...
MPS-400
24V (+) to TB2-5
24V () to TB2-6
CPU-400
SLC (+) to TB5-1
SLC () to TB5-3
MPS-400 and CPU-400 SLC Connections
MMX-2 Wiring Diagram
You can install MMX-2 modules in an SLC loop as shown in the wiring
diagram. Wiring guidelines are:
Maximum initiating device circuit resistance is 25 ohms.
Maximum alarm current is 90 mA.
Maximum detector standby current is 2.4 mA.
The following table contains SLC wiring connections to the MPS-400 and the
CPU-400:
MPS-400
CPU-400
MMX-2
MMX-2 Wiring NFPA Style B (Class B) Initiating Device Circuit
3.9K ELR supplied
with MMX-2 module.
MMX-2 Wiring an NFPA
Style B Initiating Device
Circuit