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XLS-REL Technical Reference Manual
1.7
Installing the XLS-REL
Specifications
*Riser current:
Total current of output circuits is limited to the
power riser input current (up to 4 amps) minus 170 mA.
Power riser
Input voltage
24 Vdc
Supervisory current
25 mA, max.
Alarm current
170 mA min., 4 A max.
(depends on output circuit loading)
Line resistance
See Table 1-5.
Release circuits, TB4
Output (release circuit 1)
2 A @ 24 Vdc, max. (*See riser current.) TB4-1 and TB4-2
Output (release circuit 2)
2 A @ 24 Vdc, max. (*See riser current.) TB4-3 and TB4-4
Valves per circuit
4 valves, max.
Line resistance
See Table 1-6.
End of line device
47 k
W
resistor
Prerelease circuits, TB5
Output (prerelease circuit 1)
2 A @ 24 Vdc, max. (*See riser current.) TB5-1 and TB5-2
Output (prerelease circuit 2)
2 A @ 24 Vdc, max. (*See riser current.) TB5-3 and TB5-4
Line resistance
See Table 1-6.
End of line device
47 k
W
resistor
Manual release input circuit, TB3-1 and TB3-2
Line resistance
25
W
/wire, #18 AWG = 3800 ft (0.75 mm
2
= 1158 m)
End of line device
47 k
W
resistor
Circuit capacitance
0.1
m
F, max.
Abort circuit, TB3-3 and TB3-4
Line resistance
25
W
/wire, #18 AWG = 3800 ft (0.75 mm
2
= 1158 m)
End of line device
47 k
W
resistor
Circuit capacitance
0.1
m
F, max.
First alarm contact, TB2
Contact rating
3 A @ 24 Vdc, (resistive load) Form C
Signature Data line, TB1
Operating voltage
15.2 to 19.95 Vdc
Supervisory current
1 mA
Alarm current
1 mA
Line resistance
See the installation sheet of the Signature loop controller.
Maximum quantity
Ten XLS-RELs
per loop