VIPA SM 231 - Page 74

Chapter 2 Analog input modules Manual VIPA System 200V
2-50 HB97E - SM-AIO - Rev. 12/32
V-Bus
µP
Channel 0
+
D
A
2V5
Ref
DC/DC
100
100
100
100
-
2
3
4
1
L+(In)
L+(Out)
+
-
7
8
5
6
L+(Out)
+
-
11
12
9
10
L+(Out)
+
-
15
16
Mux
13
14
17
18
L+(Out)
GND
+2.5V
+2.5V
+2.5V
+2.5V
Channel 1
Channel 3
Channel 4
backplane bus
V-Bus
µP
Channel 0
Mux
Channel 1
+
D
A
2V5
Ref
DC/DC
backplane bus
100
100
100
100
-
V
+
-
Channel 2
A
-
Channel 3
-
+
+
R
Shunt
2
3
4
7
8
11
12
15
16
*)
*)
*)
*)
2-wire
sensor
+
R
Shunt
-
17
18
P
L+(Out)
DC 24V
1
L+
+
-
-
GND
*) During measuring the connection to ground is closed.
Attention!
If you connect one or more external differential sources (e.g. current
shunts), a further connection to GND (Pin 18) is not allowed! This may
damage the module!
Schematic
diagrams
Overview
Connection variants