Weidmüller ACT20X - Page 21

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R
s
R
p
R
s
R
p
R
D
R
D
14 13 12 11
24 23 22 21
FLASH
CPU
51
44 42 41
52 54 53
43
V
NAMUR
V
NAMUR
R
p
= 15 kW
R
s
= 750 W
Status relay N.C. Status relay N.C.
Device status, Green
Switch,
cable error
Gnd. - 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
* Monitoring of cable breakage is only
possible with the use of resistors Rp and Rs, or with NAMUR sensors.
CBX200 with Configuration Software
(2) (1)(4)(3) (2) (1)(4)(3)
Illustration 7-2: Functional Block Diagram