2018-08
18
Functional Safety KCD2-STC-(Ex)1(.SP)(-Y1), HiC2025(Y1)
Operation
Figure 5.2 Proof test set-up for HiC2025(Y1)
For Y1 version only connect the multimeter to terminals 1 and 4.
Termination Board
HiC2025
Zone 0, 1, 2
Div. 1, 2
Zone 2
Div. 2
Multimeter
(V)
Multimeter
(V)
1a, 1b
2a, 2b
-
+
11
14
+
-
-
+
5
1
-4
I
supply
1b
SL2
5a
5b
SL1
8a
7a
Multimeter
(V)
Passive
input
Input sensor
(4-wire Tx
externally
powered)
Active
input
Input sensor
(2-wire Tx
loop powered)
Logic
solver
analog
input
Current output or
Voltage output or
Current sink
24 V DC
Power
supply
4 mA to 20 mA
4 mA to 20 mA
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.