Weidmuller ACT20X - Manual (Page 24)

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 CP
U
51 44 42 41 52 54 53 43
V
NA
M
UR
V
NA
M
UR
R
p
= 15 k
Ω
R
s
= 750
Ω
Status r
elay
N.C.
Status r
elay
N.C.
Device status, G
reen
Switch,
cable er
ror
Gnd. - Supply +24 VDC
Ch. 1 status,
Y
ellow/Red
Ch. 2 status,
Y
ellow/Red
NAMUR
sensor
Switch,
cable er
ror
NAMUR
sensor
Channel 1 Channel 2
Opto + or
relay N.O.
or r
elay
N.C.
Opto - or
relay N.O.
or r
elay
N.C.
Opto + or
relay N.O.
or r
elay
N.C.
Opto - or
relay N.O.
or r
elay
N.C.
Channel 1 Channel 2
* NC = no connection *
Monitoring of cable br
eakage is only
possible with the use of r
esistors 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