User guide
Product Installation / Operation, ACT20X-HDI-SDO (NAMUR Pulse Isolator)
24
1066540000/01/12.11
R
s
R
p
R
s
R
p
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 kΩ
R
s
= 750 Ω
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)
R
p
R
p
Illustration 7-2: Functional Block Diagram