VESDA Sensepoint XCL – Large Bore Installation Manual
VESDA by Xtralis
1.4
Detectable Gases
VESDA Sensepoint XCL – Large Bore is available for the detection of the following gases:
l
Carbon Monoxide (CO, ppm)
l
Flammable (CAT) – Methane, Hydrogen, Propane, Ethanol, Butane, etc. (% LEL)
l
Carbon Dioxide (CO
2
, ppm, % v/v)
l
Hydrogen (H
2
, ppm)
l
Hydrogen Sulphide (H
2
S, ppm)
l
Nitrogen Dioxide (NO
2
,ppm)
l
Ammonia (NH
3
, ppm)
*
l
Oxygen (O
2
, % v/v)
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
Legend
1
+24 V DC or 24 V AC
2
0V or 24V AC
3
4 to 20 mA
4
Common
For details on wiring for the analog output version, see "Wiring of mA Output Versions" and "Current
Source/Sink Selection".
Modbus Output Versions
Legend
1
+24 V DC or 24 V AC
2
0V or 24V AC
3
A
4
B
Use of the Sensepoint App is required to change the configuration settings of the Modbus RTU interface.
1.6
Relay Output
Legend
1
Relay No. 1
2
Relay No. 2
*
Check with your local sales office for availability.