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R
s
R
p
R
s
R
p
R
p
R
p
1
44
43
42
41
54
53
52
51
9202
+24 V
FLASH
CPU
31
14
12
11
32
34
33
13
V
NAMUR
V
NAMUR
9202B1
9202B2...B3
9202B1
9202B2...B3
NC*
NC*
R
p
= 15 k
R
s
= 750
34
9202 - Product Version 9202-002
BLOCK DIAGRAM
Status r
elay N.C.
Status r
elay N.C.
Device status, Gr
een
Switch,
cable err
or
Gnd. -
Power rail connections
24 VDC
Gnd.
Ch. 1 status, Y
ellow/Red
Ch. 2 status, Y
ellow/Red
NAMUR
sensor
Switch,
cable err
or
NAMUR
sensor
Channel 1
Channel 2
Opto + or r
elay N.O.
or r
elay N.C.
Opto - or r
elay N.O.
or r
elay N.C.
Opto + or r
elay N.O.
or r
elay N.C.
Opto - or r
elay N.O.
or r
elay N.C.
Channel 1
Channel 2
* NC = no connection
(1)...(4) = See function
description on page 32
(3)
(4)
(1)
(2)
(3)
(4)
(1)
(2)