PR 5420B - Block Diagram

24
5420B 5420B
CH 1 CH 2
33
53 51
31
23
22
21
43
41
V reg.
13
12
11
20 Ω
Supply Supply
Channel 1
Channel 2
BLOCK DIAGRAM:
Ex Barrier
Output +
24...230 VAC &
24...250 VDC
Output -
Limit: < 3.8 and > 20.5 mA
Komp.
Rel.
Relay, common Relay N.O. Relay N.C.