Introduction; General Description; Features & Benefits - General Monitors TA402A Instruction Manual

Model TA402A
This chapter provides a brief description of
the Model TA402A, its features & benefits
and a list of some of its applications. More
detailed information on the features and
benefits listed in section 1.2 will be
presented in later chapters.

1.1 General Description

The General Monitors Model TA402A (see
figure 1) is a single channel Flame Detection
Trip Amplifier designed for use in Zero Two
Series Gas and Flame Detection Systems.
This Module connects to the wires from a
field mounted General Monitors Flame
Detector, which monitors the presence of
radiation emitted from fires.
The Model TA402A is electrically and
physically compatible with the other gas
detection and system modules in the Zero
Two Series. It is distinguished from the
other modules by its red border and
"TA402A" in the upper right corner of the
front panel. The Model TA402A is
designed for use
environments.
Fig ure 1
in non-hazardous
1.2 Features & Benefits
Microprocessor Based
monitors fault conditions, sensor inputs and
provides outputs in the form of display
codes, analog signal, relay contact and open
collector activations.
Setup Mode: allows the user to set
parameters such as alarm output options, test
options, etc. These parameters are viewed
on the display during the Setup Mode.
Password Option: prevents unauthorized
alteration of the setup parameters (can be
disabled).
Setup Check Mode: allows the user to view
the parameters that have been set by the
factory and/or an operator.
LED Test: tests the integrity of each display
LED and each segment of the digital display
on the front panel.
Card Test: tests the functionality of the
card through the microprocessor ramping up
the signal to the alarm level for the time
delay.
Live Insertion/Removal: allows the user to
insert or remove a module while power is
applied to the system without damage to any
of the components in the system.

Introduction

Electronics:
1