1.0 General
The Addressable Interface Unit (IDU) provides two (2) retrofit Class A, Style 6 or Class B, Style 4 signaling
line circuits designed to incorporate existing initiating and control modules installed in FCI Model FC-ID and
FCID-X addressable fire alarm systems into the 7200 Series fire alarm control with SPSU/SPSU-V only.
Each signaling line circuit can accommodate 60 addressable points (50 initiating modules and 10 control point
modules) for a maximum of 120 points per IDU, 600 points maximum per system.
System expansion can be accomplished by installing Analog Loop Units (ALU) with approved, Listed analog
addressable sensors, monitor modules and addressable output modules.
The IDU is a full-size unit. Additional IDUs can be added to a maximum of 5 per system.
1.1 Address Switch
The Address Switch, SW1, is a 16-position rotary switch labeled “0" thru ”9" and “A” thru “F” ( A=10, B=11 . . .
F=15). It is located in the lower left section of the IDU. Only Addresses 1-5 can be used on the IDU. If only one
IDU is installed, the switch must be set to Position “1" (one). The address switch must not be set to Position ”0"
(zero) and multiple IDU switches
must not be set to the same address.
1.2 Approved Addressable Devices
Only the following manufacturer approved, U.L. Listed, Factory Mutual Approved initiating devices and control
modules can be connected to the IDU signaling line circuits:
Initiating Devices
Model Description Compatibility Identifier
CPD-ID Smoke Detector Base CPDID01
301-ID Smoke Detector Base 301ID1
2W-ID Smoke Detector Base 2WID1
RIM-U Remote Initiating Module ————
SLM Sub Loop Module SLM01
RZM Remote Zone Module RZB01
RZST-1, -2 Remote Zone Cabinet equipped with RZB zone boards. RZB01
Control Modules
Model Description
CPM Control Point Module
RSM Remote Signal Module
RZST-1, -2 Remote Zone Cabinet equipped with RSB control boards.
End of Line Module
EOL-E End of Line Module
To communicate with detection devices (smoke detectors, heat detectors, manual stations, etc.), the system
uses a Remote Identification Module (RIM) as the interface. There are three major categories of RIM devices:
one is installed in the CPD-ID, 2W-ID or 301ID smoke detector base; the second is the Remote Identification
Module/Universal, (RIM-U) which can be used with any single normally open (N.O.) detection device, a vari-
ation of which is also used as an End of Line device (EOL-E). The third is installed remotely on the signaling
line circuit, and includes the Remote Zone Module, (RZM), and the Remote Zone Board, (RZB), which is
installed in a Remote Zone Signaling Transponder cabinet (RZST). All RIM devices provide addresses and
status information to the main control. The Sub Loop Module (SLM), provides an address for a group of
devices; it can support normally open (N.O.) contact devices and up to six, two-wire UL Listed, FCI approved
compatible smoke detectors mounted on conventional bases.
NOTE: If an initiating device is placed into alarm on a signaling line circuit that is disconnected physically or via
disconnect switch, the device must first be restored to normal and a system reset performed before returning the
switch to normal or reconnecting the circuit, as there will be no indication of an activated device.
NOTE: The IDU Interface Unit will not support the Device Decoder Module, (DDM).
NOTE: If replacing an IDU, set SW1 to the same address as the unit being replaced. If adding an IDU to the
system, the unit must be programmed into the system.
NOTE: An additional system power supply is required for every five (5) ALU/AEU/RDU/IDU units. The
Distributed Intelligent Unit (DIU) with its associated power supply meets this requirement.
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