Pepperl+Fuchs KFD2-STC4-Ex Series - Page 18

2014-09
18
Safety Manual SIL KFD2-ST*4-(Ex)*, KFD2-CR4-(Ex)*
Proof Test
Proof Test for Versions with Splitter Functionality (1.2O)
Figure 4.4 Proof test set-up for KFD2-CR4-(Ex)1.2O and KFD2-STC4-(Ex)1.2O
Usage in Zone 0, 1, 2/Div. 1, 2 only for Ex versions
Step
No.
Set input
value (mA)
Measurement point
Values for Outputs I
and II (mA) for
STC4 and CR4
devices
Values for Outputs I
and II (V) for STV4
devices, -1 version
Values for Outputs I
and II (V) for STV4
devices, -2 version
1 20.0 20.0 ± 0.4 5.0 ± 0.1 10.0 ± 0.2
2 12.0 12.0 ± 0.4 3.0 ± 0.1 6.0 ± 0.2
3 4.0 4.0 ± 0.4 1.0 ± 0.1 2.0 ± 0.2
4 23.0 23.0 ± 0.4 5.75 ± 0.1 11.5 ± 0.2
5 0 < 0.2 < 0.1 < 0.1
Table 4.2
Zone 0, 1, 2
Div. 1, 2
Zone 2
Div. 2
I
supply
KFD2-STC4-Ex1.2O
3
5-
6+
1+
2-
7-
8+
9
250 Ω
10-
11 +
12
250 Ω
Multimeter
(mA)
Multimeter
(mA)
Signal calibration
4 mA ... 20 mA
24 V DC
Power
supply
14+
15-
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