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Terminal Electrical Ratings
Label
Rating
TOP TERMINALS
24V Power
24V Regulated, continuous (power input)
Aux 24V
24V Regulated @ 360mA Max, Power-limited
Trouble
Volt-free contact rated at 30V DC, 1A, Resistive
1st Stage
Volt-free contact rated at 30V DC, 1A, Resistive
2nd Stage
Volt-free contact rated at 30V DC, 1A, Resistive
3rd Stage (Released)
Volt-free contact rated at 30V DC, 1A, Resistive
Supv. / Abort
Volt-free contact rated at 30V DC, 1A, Resistive
Extract
Volt-free contact rated at 30V DC, 1A, Resistive
3rd Stage Alarm
24V Regulated @ 850mA Max, Power-limited
2nd Stage Alarm
24V Regulated @ 850mA Max, Power-limited
Exting. 1 (Main)
24V Regulated @ 1A Max, Power-limited
Exting. 2 (Reserve)
24V Regulated @ 1A Max, Power-limited
BOTTOM TERMINALS
Man. Rel
Supervised: Class B
End-of-Line device: 6.8K Ohm resistor (S2027)
Activation device: 470 Ohm resistor (S2051)
Maximum Voltage / Current: 24V DC / 50 mA
Maximum Wiring Impedance for Each Circuit: 50 Ohms
Power-limited
Abort
Disable
Mode
Rel P. Sw
Low Press.
CIE Serial
Two wire, RS485 connection, Data 3.3 V, current-limited, Class B, supervised
Maximum Wiring Impedance: 120 Ohms
Status Serial
Two wire, RS485 connection, Data 3.3 V, current-limited, Class B, supervised
Maximum Wiring Impedance: 120 Ohms
Status Pow.
24V Regulated @ 360mA Max, Power-limited
Appendix A: Specifications
VES Fire Detection Systems
XT+ Releasing Control Unit Installation Manual
Version 1.00 | December 2018 | MAN-1252VES
Page 43