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16
PHCN-962
connection diagram
Warning
:
Make sure to power off before connecting. The back
panel consists of three connectors.
PHCN-962
series connection diagram
1.Temperature electrode positive
terminal (PT1000)
17. Connect bigger earth wire
2. Temperature electrode negative
terminal (PT1000)
18. Alternating connect earth wire
3. Temperature electrode sensing
terminal (If use two-wire system,
please use short circuit between 2
and 3).
19. Electric source input 110V/220V alternating current
4. COM
(
short circuit with 5 under
normal status
)
pH/ORP input terminal
5. pH negative terminal
Jodhpurs JP2 220V
6. REF
Jodhpurs JP1 110V
7. pH value 4
—
20mA Output,
negative terminal
8. pH value 4
—
20mA Output,
positive terminal
9. 485A output
10. 485B output
11. Relay A
(
SP1
)
12. Relay A
(
SP1
)
13. Relay B
(
SP2
)
14. Relay B
(
SP2
)
15. Clearing Relay
16. Clearing Relay
SP
1
SP
2
RL
3
N
11
0V
22
0
V
10
09
08
07
06
05
04
03
02
01
4
85A
4
85B
pH
-
CO
M
PT
1
000
RE
F
mA
mA
WAR N I NG
p H/OR P INP UT
S /N:
11 12 13 14 15 16
17 18 19
F
U
S
E
0
.5
A
J
P
2
J
P
I
11
0V
22
0
V
22
0
V
Содержание PHCN-962
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