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Functional Safety HiC2871A
Operation
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.
Step No.
1
2
Table 5.1
Multimeter
(mA)
Zone 0, 1, 2
Div. 1, 2
Figure 5.1
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.
Input value
19 V (high)
5 V (low)
Steps to be performed for the proof test
Resistance
value
SL2
220 Ω,1 W
+
1
5a
-
4
5b
Proof test set-up for HiC2871A
Output value
On/I
current, depends on device version
max
Off/< 50 A
Termination Board
HiC2871A
11 +
8a
14
7a
19 V DC
5 V DC
V
V
-
Zone 2
Div. 2
15
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