PR electronics 9202 - Block Diagram

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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  
14 9202 - Product Version 9202-003
BLOCK DIAGRAM
Status relay N.C. Status relay N.C.
Device status, Green
Switch,
cable error
Gnd. -
Power rail connections
Supply +24 VDC
Gnd.
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 12