HLS PS25 & HLS PS50 User Manual
MN-DT-1305I_B
10
2.4 Control Unit Connections:
The following
4
connectors are placed at the top of the Control Unit:
FAULT
(C) Fault Relay Common
FAULT
(NC) Normally Closed Contact
FAULT
(NO) Normally Open Contact
The fault relay may be linked to an analogue
input modu le to report any fault t o a third
equipment li ke a FACP ( Fire Alarm Control
Panel).
IN ALARM
(+)
IN ALARM
(-)
Alarm input to disable, momentarily, the battery charger and be able to supply 300-
600mA from ba ttery loa d to the ou tputs. Fo r th is, i t is necessa ry to l ink both IN
ALARM terminals by means of a jumper or short-circuit.
When this input is activated, the control unit will have an extra current of battery load
0.3 A or 0.6 A, depending on the DIP SW2 for outputs. Thus, if the power supply is in
Overload (Imax) state, the indication will disappear by activating this input, provided
that the excess current is the current which is supplying batteries.
PSO1
Output 1 (+)
PSO1
Output 1 (-)
PSO2
Output 2 (+)
PSO2
Output 2 (-)
