4
Part No. 6-847681-00 Rev. D
Power Supply Module
Features:
•Provides electrical
power for digital
display modules,
sensor modules, multi-
signal alarm modules,
and computer interface
relay modules.
•Replaceable fuse.
•Audible alarm with volume control.
• Network wiring terminals and tester
connection.
Digital Display Module
Features:
•Digital LCD readout of the
system pressure or vacuum
signal transmitted from a sensor
module. LEDs indicate if the
levels are low, normal, or high.
•Three user-assigned LED
indicators may be connected to dry-contact
switches.
•General fault relay activates on any alarm fault
condition.
•Can transmit the pressure or vacuum signal to
another digital display module for remote
applications.
• Can be networked to communicate with a
personal computer or Johnson Controls
Metasys® building automation system.
Sensor Module
Features:
•Sensor modules are
gas/vacuum service specific and
connect directly to the pipeline.
• Transmits a signal to a digital
display module at the alarm
panel.
•Can be located adjacent to the alarm panel or
in remote locations from the alarm panel.
Computer Interface Relay
Module
Features:
•Provides an interface between a
multi-signal alarm module or
the three user-assigned signals
on a digital display module and
a building automation system
computer.
•Not required when communicating with a
Johnson Controls Metasys® building
automation system.
Multi-Signal Alarm Module
Features:
•Monitors up to six dry-contact
switch signals.
•General fault relay activates on
any alarm fault condition.
•Can be networked to
communicate with a personal
computer or Johnson Controls Metasys®
building automation system.
Alarm Modular Components
Introduction
Blank Module
Features:
•Reserves a space in the alarm
panel for future expansion.
Power Supply Blank
Features:
•Used above the power
supply module to make
the alarm panel
rectangular when local
sensors are used.