Pepperl+Fuchs KCD2-SCD Series Manual page 16

Functional Safety KCD2-SCD-(Ex)1(.SP), HiC2031
Operation
Proof Test Procedure
1. Put out of service the entire safety loop. Protect the application by means of other measures.
2. Prepare a test set-up, see figures below.
3. Test the devices. Verify the current values as given in table below.
4. Set back the device to the original settings for the application after the test.
Step No.
1
2
3
4
5
6
Table 5.1
Multimeter
Zone 0, 1, 2
Div. 1, 2
Figure 5.1
Usage in Zone 0, 1, 2/Div. 1, 2 only for KCD2-SCD-Ex1(.SP)
16
Set input value (mA)
20.00
12.00
4.00
23.00
0
12.00
Steps to be performed for the proof test
(mA )
4 mA to 20 mA
1+
2-
Proof test set-up for KCD2-SCD-(Ex)1(.SP)
Measurement point
Output value (mA)
20.00 ± 0.4
12.00 ± 0.4
4.00 ± 0.4
23.00 ± 0.4
< 0.3
–
Multimeter
KCD2-SCD-Ex1
5-
6+
9+
Supply
10-
Multimeter
(mA) (V)
4 mA to 20 mA
I
supply
24 V DC
Zone 2
Power
Div. 2
supply