Honeywell 04200-A-0146 Analog output module source

PRINCIPAL FEATURES

The 5704F Series Control System is part of the System 57 family and is designed to monitor field mounted industrial fire detectors. 

Single Channel Control Card

The Single Channel Control Card carries out the control functions for a single loop of gas detection as follows:

a. Processes the incoming sensor drive module signal.

b. Displays the signal level on the front panel liquid crystal display.

c. Compares the signal level with pre-defined alarm limits.

d. When the pre-defined alarm limits are exceeded, raises the alarms

by lighting up front panel LEDs and operating optional connected relays.

e. Informs other cards with the alarm status information.

f. Self validates the operation of its circuit components, software

operation and the condition of the sensor.

The principal features of the system are:

Provides up to 60 loops of fire detection in a standard 19" sub-rack using a 3U format.

Provides up to 28 loops of fire detection in a half 19" sub-rack using a 6U format.

Racking available for both front and rear access field wiring.

Fire and Gas cards can be freely mixed in the same rack.

Simple field connections for wire up to 2.5mm² (14 AWG).

Four loop inputs and two switched outputs per one inch wide card.

Inputs compatible with flame, smoke and heat detectors, and manual call points.

Fault monitoring on all fire inputs and switched output circuits.

Configurable change-over relay output options per card.

Electronic adjustment of all operating parameters.

Cards removable without disturbing other wiring.

Multi-alarm mode for master, zone and voted alarms.

Remote acknowledge, reset and silence inputs per card.

Easy to operate using dedicated Fire Status Panel.

Earth leakage fault detection.

EMC Compliant.

The 5701 Series Control System is a microprocessor based system which displays the reading and status of connected gas detectors.

The system provides complex alarm handling facilities with a full maintenance capability.

A rack system is fitted with a number of single channel control cards each with an associated field/ relay card which provides the necessary

sensor input and optional relay output connections. 

Simple alarm handling and operation is provided by each channel control card.

Complex alarm handling is achieved by communication between a specified number of control cards via the backplane of the rack.

An engineering card is fitted to each rack and provides control of the rack backplane communications, 

control card interrogation and facilitates maintenance. 

In addition, optional modules fitted to the engineering card can provide additional system outputs.

System power supplies, auxiliary power supplies and battery back up  systems are all normally connected to the rack via a DC Input Card,

however, for high integrity system installations power supplies can be connected directly to each individual control card.

Sensor Drive Modules

Two sensor drive modules are provided:

a. Sensor Drive Module, 4 - 20mA, Part Number 05701-A-0283

b. Sensor Drive Module Catalytic, Part Number 05701-A-0284

The Sensor Drive Module conditions the incoming catalytic or 4 -20mA sensor signal and provides the necessary sensor power supply.

It contains all the circuitry necessary to generate the voltages and currents required to drive the sensor,

the circuitry to acquire the sensor signal and to scale the sensor signal to a standard output. 

The sensor drive modules are factory fitted and plug directly onto the channel control card.

Analogue Output Module

An optional Analogue Output Module, (Part Number 05701-A-0285),

may be factory fitted to the Single Channel Control Card and is used on a channel of gas detection to provide an isolated current loop output which follows the sensor signal level. 

This may be set electronically to produce a 0 - 20mA output or a 4 - 20mA output and

can be used to operate a chart recorder, etc.

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