Functional Safety HiC2871A
Operation
20
17-
11
15
Proof Test Procedure
1. Prepare a test set-up, see figure below.
2. Verify the input and output values as given in table below.
3. Set back the device to the original settings after the test.
Figure 5.1
Proof test set-up for HiC2871A
Step No.
Input value
Output value
1
19 V (high)
On/I
max
current, depends on device version
2
5 V (low)
Off/< 50
A
Table 5.1
Steps to be performed for the proof test
HiC2871A
14
1
4
+
-
-
11 +
Termination Board
Zone 0, 1, 2
Div. 1, 2
Zone 2
Div. 2
Multimeter
(mA)
19 V DC
5 V DC
SL2
5a
5b
8a
7a
V
V
Resistance
value
220
Ω
,1 W
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.
