Functional Safety HiC283*
Operation
20
21
-1
2
21
Figure 5.5 Proof test set-up for HiC2831R4
Figure 5.6 Proof test set-up for HiC2832R4
Termination Board
Zone 0, 1, 2
Div. 1, 2
Zone 2
Div. 2
Multimeter
( I )
Fault
5a
5b
1
4
+
-
SL2
10a
9a
12
15
+
-
8a
SL1
7a
11
14
+
-
Multimeter
( I )
I
Multimeter
( U )
Multimeter
( U )
Multimeter
( I )
I
Supply -
24 V DC
power
supply
I supply
Supply
Bus
R
LB
R
SC
Termination Board
Zone 0, 1, 2
Div. 1, 2
Zone 2
Div. 2
Multimeter
( I )
Fault
10a
9a
12
15
5a
5b
1
4
+
-
+
-
SL2
Multimeter
( I )
1a
1b
2
5
+
-
8a
SL1
7a
11
14
+
-
Multimeter
( I )
I
Multimeter
( U )
Multimeter
( U )
Multimeter
( I )
I
Supply -
24 V DC
power
supply
I supply
Supply
Bus
R
LB
R
SC
R
LB
R
SC
Tip
The easiest way to test HiC devices is by using a stand-alone HiCTB**-SCT-***-**-**
termination board. In this test, it is not necessary to disconnect the wiring of the existing
application. Faults in a subsequent wiring can be avoided.
