schmersal PROTECT-PSC - Page 78

System description
3
Instruction Manual PROTECT-PSC
V 2.6R01 / 04.19
3–46
Basic circuit diagram for relay output
The chart shows the basic structure of a relay output. The grey shaded part of the
circuit exists twice in the output module PSC-S-Relais The channel 0/1 can only be
controlled in pairs; the same applies to channels 2/3.
F
F
i
i
g
g
u
u
r
r
e
e
3
3
-
-
2
2
3
3
B
B
a
a
s
s
i
i
c
c
c
c
i
i
r
r
c
c
u
u
i
i
t
t
d
d
i
i
a
a
g
g
r
r
a
a
m
m
f
f
o
o
r
r
r
r
e
e
l
l
a
a
y
y
o
o
u
u
t
t
p
p
u
u
t
t
s
s
The relay outputs must be opened at least once per year. This can be done
manually by actuating the protective device on the input side or automatically in the
user program.
The relay outputs must be fused by means of an appropriately dimensioned fuse
(max. 4A slow blowing).
processor A
output 0/1-1
processor A
processor B
processor B
processor B
processor B
processor A
processor A
output 0/1-3
output 0/1-4
output 0/1-2
Channel 0/1
0VDC
24VDC