Detectable Gases; Detector Versions; Relay Output - Xtralis VESDA Sensepoint XCL Installation Manual

VESDA Sensepoint XCL – Large Bore Installation Manual
1.4

Detectable Gases

VESDA Sensepoint XCL – Large Bore is available for the detection of the following gases:
Carbon Monoxide (CO, ppm)
l
Flammable (CAT) – Methane, Hydrogen, Propane, Ethanol, Butane, etc. (% LEL)
l
Carbon Dioxide (CO
l
Hydrogen (H , ppm)
l
2
Hydrogen Sulphide (H
l
Nitrogen Dioxide (NO
l
Ammonia (NH , ppm)
l 3
Oxygen (O , % v/v)
l
2
1.5

Detector Versions

The 4-way terminal block(s) provide connection for both the gas detector output and the power supply.
Assignment of the terminals and additional terminal blocks will vary dependent on the version.
Analog (mA) Output Versions
For details on wiring for the analog output version, see "Wiring of mA Output Versions" and "Current
Source/Sink Selection".
Modbus Output Versions
Use of the Sensepoint App is required to change the configuration settings of the Modbus RTU interface.
1.6

Relay Output

Where fitted, there are two configurable relays which can be used to control or signal to external devices, such
as audible and visual alarms and other control systems.
3
, ppm, % v/v)
2
S, ppm)
2
,ppm)
2
Legend
1 +24 V DC or 24 V AC
2 0V or 24V AC
3 4 to 20 mA
4 Common
Legend
1 +24 V DC or 24 V AC
2 0V or 24V AC
3 A
4 B
Legend
1 Relay No. 1
2 Relay No. 2
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