TQ Environmental Limited
Page 6 of 43 17654PM Issue: 3 December 2022
1.0 Introduction
The TQ8000 Touch is a Monitoring System capable of accepting 8 inputs as a
standard version or up to 48 as a bespoke version from either three wire, or two
wire 4-20mA detectors and transducers.
This processor-based control system allows each connected sensor to have its
units and level displayed simultaneously on the front panel display. The system
also allows each sensor to monitor each level with respect to pre-set alarm trip
points.
Three alarm trip points are available for each input. These alarms can be
configured to operate relay outputs in the form of volt free contacts for connection
to other systems, or 24V dc outputs to operate a local audible / visual device.
The TQ8000 Touch can be controlled and monitored remotely via an RS485
Modbus communications network.
A configurable ‘fault’ relay also provides a ‘fail-safe’ volt free, or 24v dc output.
The TQ8000 Touch front panel incorporates a Touch Screen to allow for ‘Reset’
and ‘Mute’ functions. An internal password protected Menu allows the user to
calibrate or re-configure each input.
The TQ8000 Touch in its native form provides a neat, “flush to wall” installation by
using the three internal mounting points.
SENSOR
CHOICE OF SENSORS INCLUDE GD131, TQ 122 & GD129.
TYPICAL INSTALLATION
O/P RELAYS VOLT FREE CONTACTS SPCO
SOUNDER
FLASHER
* 2 OR 3 CORE * 2 OR 3 CORE
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
SENSOR
240V AC
*DEPENDANT ON SENSOR TYPE.
TQ 8000
Environmental
Gas Detection System
Figure 1
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