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CT Input/Potentiometer
When using the HBA function on the E5AK-AA2 Controller, connect CT input (CT) to terminal numbers 15 to 17. When monitoring the valve opening
on the E5AK-PRR2 Controller, connect the potentiometer (PTMR) to terminal numbers 15 to 17. Connect each of these inputs as follows:
10
9
8
7
6
5
4
3
2
1
For details on CT inputs, refer to Appendix, About Current Transformer in the E5AK/E5EK User's Manual (H83/H85). For details on the potentiom-
eter, refer to the Instruction Manual for the valve connected to the Controller. The variable resistance range is 100
Remote SP Input
Connect the input (RSP) to be used as the remote SP to terminal numbers 21 and 22. Only 4 to 20 mA inputs can be connected. Connect the input
as follows:
10
9
8
7
6
5
4
3
2
1
14
Digital Controller
30
20
31 32
29
19
28
18
27
17
26
16
25
15
24
14
23
13
22
12
33
21
11
30
20
31 32
29
19
28
18
27
17
26
16
25
15
24
14
23
13
22
12
33
21
11
E5AK/E5EK
17
17
16
CT
16
15
15
CT input
Potentiometer
+
22
4 to 20 mA
21
O
W
C
to 2.5 k .
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