PR electronics 9202 - Block Diagram

44
43
42
41
54
53
52
51
9202
FLASH
CPU
31
14
12
11
32
34
33
13
V
NAMUR
V
NAMUR
9202x1 9202x2...x3
9202x1 9202x2...x3
NC*NC*
R
p
= 15 kΩ
R
s
= 750 Ω
R
s
R
p
R
s
R
p
R
p
R
p
(3) (4) (1)(2)
(3) (4) (1)(2)
1
 
 O F F
 
9202 - Product version 9202-003 15
Block diagram
Status relay N.C.
Status relay N.C.
Device status, Green
Switch,
cable error
Supply -
Power rail connections
Supply +24 VDC
Ch. 1 status, Yellow/Red
Ch. 2 status, Yellow/Red
NAMUR
sensor
Switch,
cable error
NAMUR
sensor
Channel 1
Channel 2
Opto + or relay N.O.
or relay N.C.
Opto - or relay N.O.
or relay N.C.
Opto + or relay N.O.
or relay N.C.
Opto - or relay N.O.
or relay N.C.
Channel 1
Channel 2
* NC = no connection
(1)...(4) = See function
description on page 13
Supply +
Supply -