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CHAPTER 2 PREPARATIONS
F Auxiliary output
10
20
21 22
9
19
8
18
7
17
6
16
5
15
4
14
3
13
2
12
23
1
11
F CT input/
Potentiometer
10
20
21 22
9
19
8
18
7
17
6
16
5
15
4
14
3
13
2
12
23
1
11
About Isolation
2--10
• Terminal Nos.3 and 4 are for auxiliary output 1 (SUB1) and terminal
Nos.1 and 2 are for auxiliary output 2 (SUB2).
• The internal equalizing circuits for the auxiliary outputs are as fol-
lows:
• Output specifications are as follows:
SPST-NO, 250 VAC, 3 A
• When the HBA function on an E5EK-TAA2 controller is used, connect
CT input (CT) to terminal Nos.15 and 17. When monitoring the valve
opening on an E5EK-TPRR2 controller, connect the potentiometer
(PTMR) to terminal Nos.15 to 17. Connect each of these inputs as fol-
lows:
17
16
15
CT input
• For details on CT inputs, see Appendix, About Current Transformer
(CT) Input (page A-5).
• For details on the potentiometer, see the Instruction Manual for the
valve connected to the controller.
The meaning of terminal symbols is as follows:
O: OPEN, W: WIPE, C: CLOSE
The variable resistance range is 100 Ω to 2.5 kΩ.
The E5EK-T has independent power supplies
for each of the terminal blocks shown on the
right.
4
2
3
1
Auxiliary
Auxiliary
output 1
output 2
O
17
W
CT
16
C
15
Potentiometer
A
B/C
C
10
20
21 22
9
19
8
18
7
17
B
6
16
5
15
4
14
E
3
13
12
2
23
1
11
F
D
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