SmartAlarm Instruction Manual Rev 2
Page 25 of 115
SECTION 2
– PRIMARY POWER
Primary Power
– PS1
+VE
-VE
a
b
-VE
+VE
NO
C
NC
+VFC
PS2
PS2
RLY
PS1
WD
OVCHI
OVCLO
+VB
PRIMARY SUPPLY
85-263VAC or 88 to 360VDC
WATCHDOG
CONTACT 0/P
X2
Primary power is connected to terminal X2 - PS1
– (+VE) and (–VE) as
indicated above.
On the standard version the supply input is universal capable of
accepting 85-263VAC or 88 to 360VDC.
As an option, which must be specified at the time of order, the primary
supply can be 18-58VDC.
A watchdog relay, WD, is fitted as standard providing a volt free
changeover contact for use with 3
rd
party devices to indicate loss or
primary power or internal failure.