Xtralis VESDA Sensepoint XCL, Руководство по установке

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VESDA Sensepoint XCL – Large Bore Installation Manual VESDA
5 www.xtralis.com
Power Supply
VESDA Sensepoint XCL requires an isolated power supply unit that is certified by a national or international
standard, such as UL.
Specification Value
Nominal DC input voltage 24 V DC
1
Nominal AC input voltage 24 V AC
2
, 50/60 Hz
Inrush current Less than 850 mA
Outputs
Specification Value
Analog output 0 to 22 mA sink or source (configurable)
Digital output Modbus RTU
Relay output 5 A, 250 V AC, 24 V DC
The two relays can be used for fault signaling (normally energized) or for alarm signaling. The relay
assignments and operations are configurable using the Sensepoint App.
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Modbus RTU Default Communication Setting
Specification Value
Baud rate 9600 bps
Parity Even
Data bits 8
Stop bits 2
Flow control None
Refer to Appendix A.6 for details on the Modbus registers. Adjustable Modbus settings:
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Slave ID: 1 to 255
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Baud rate: 9600, 19200 bps
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Parity: None, Even, Odd
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Relay Default Setting
Specification Value
Relay 1 Any faults and initial state is energized.
Relay 2 Gas alarm 1 and initial state is de-energized.
Maximum Power Consumption
The power consumption varies, depending on output version and sensor type. The additional maximum power
consumption for the relay output version is 0.6 W.
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Analog Output Version
In normal state During an alarm
Electrochemical-cell-type sensor
(CO, H
2
, H
2
S, NO
2
, NH3, O
2
)
0.5 W 1.2 W
Catalytic-type sensors (CAT) 1.0 W 1.7 W
Infrared-type sensors (CO
2
) 1.0 W 1.7 W
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Digital Output Version
In normal state During an alarm
Electrochemical-cell-type sensor
(CO, H
2
, H
2
S, NO
2
, NH
3
, O
2
)
0.3 W 0.7 W
Catalytic-type sensors (CAT) 0.8 W 1.2 W
Infrared-type sensors (CO
2
) 0.8 W 1.2 W
1
mA versions: 11 to 32 V DC, Modbus versions: 9 to 32 V DC
2
20 to 27 V A