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Signal connection
47
imc CANSAS Getting Started - Doc. Version 1.9 - 05.12.2014
© 2014 imc Meßsysteme GmbH
Pt100-plugs for ISO8 and C12
-in1
+in1
-in3
+in4
-in4
+in5
+in3
+Iref
-in5
+in6
-in6
+in2
+in1
-in1
-Iref
Iref
PT100-plug: CANSAS
(CAN/DSUB-PT100)
MUX
8
9
2
10
10
11
labeling
DSUB-15
Pins
15
7
14
6
13
5
12
11
4
1
2
3
6
7
17
4
5
8
14
terminal-
numbers
-in2
+in2
-in3
+in3
-in4
+in4
-I1
+I4
-I2
+I3
-I4
12
-in2
3
+I1
13
18
-I3
+I2
9
50R
10 nF
Note
Four Pt100-thermocouples can be connected to the CAN/DSUB-Pt100 screw terminals in four-wire
configuration. The necessary feed-current is provided by the imc CANSAS module.
To close the current loop, any non-connected Pt100 units must be replaced with wire bridges:
No Pt100 at Terminals 1+2 -> bridge Terminals 9+10.
No Pt100 at Terminals 3+4 -> bridge Terminals 13+14.
No Pt100 at Terminals 5+6 -> bridge Terminals 17+18.
No Pt100 at Terminals 7+8 -> bridge Terminals 11+12.