Instruction Manual

6
PDC24
/
PAC
October
200
5
–
Iss
ue 3
Triguard
SC300E
EXTERNAL CONNECTIONS
Chassis backplane connector PL3
The chassis backplane connector details are given in Table 2 - 1.
DIN41612 type H15 male connector. SK1 acts as a guide to prealign connector PL3 with its
mating socket when the PSU is inserted into its slot.
Table 2 - 1. Backplane connector pinouts
Pin Signal
4 5V return
6 5V return
8 +5V output
10 +5V output
12 5V reutrn sense
14 5V +ve sense
16 12V return
18 +12V output
20 Power fail output
22 Power share
24 Alarm contact COM
26 Alarm contacts NO
28 Ac(N) or dc –ve input
30 AC(I) or dc +ve input
32 Earth (mates first)