2018-11
16
Functional Safety KFD2-CD-(Ex)1.32-**
Operation
Proof Test Procedure
1. Put the entire safety loop out of service. Protect the application by means of other measures.
2. Prepare a test set-up, see figures below.
3. Test the devices. Verify the current/voltage values as given in table below.
4. Set the device back to the original settings for the application after the test.
Figure 5.1 Proof test set-up for KFD2-CD-Ex1.32-**
Usage in Zone 0, 1, 2/Div. 1, 2 only for KFD2-CD-Ex1.32-**
Step
No.
Input value Output value
Current source (mA) Voltage source (V) Current sink (mA) Voltage sink (V) Voltage sink (V)
1 20.0 10.0 20.0 ± 0.4 5.0 ± 0.1 10.0 ± 0.2
2 12.0 6.0 12.0 ± 0.4 3.0 ± 0.1 6.0 ± 0.2
3 4.0 2.0 4.0 ± 0.4 1.0 ± 0.1 2.0 ± 0.2
4 23.0 11.5 23.0 ± 0.4 5.75 ± 0.1 11.5 ± 0.2
5 0 0 < 0.2 < 0.1 < 0.1
Table 5.1
KFD2-CD-Ex1.32-**
Zone 0, 1, 2
Div. 1, 2
Zone 2
Div. 2
I
supply
1+
2-
10-
11+
9+
7+
8-
mA
V
Multimeter
(mA/V)
Signal calibration
4 mA to 20 mA 2 V to 10 V
24 V DC
Power
supply
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