OEM OPM223, Руководство по эксплуатации

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Wiring OPM223/253
16
4.1 Electrical connection
4.1.1 Connection diagram
The wiring diagram depicted in Fig. 9 shows the connections of an instrument equipped with
all the options. Connecting the sensors to the various measuring cables is explained in more
detail in the "Measuring cables and sensor connection" section.
C07-OPM2x3xx-04-06-00-xx-001.eps
Fig. 9: Transmitter electrical connection
A
B
C
D
E
F
G
H
I Standard sensor
ISFET sensor
Outer screen connection for glass electrodes
Potential matching
Temperature sensor
Signal output 1 pH/ORP
Signal output 2 temperature, pH/ORP or controller
Binary input 1 (Hold)
Binary input 2 (Chemoclean) J
K
L
M
N
O
P
Q Auxiliary voltage output
Alarm (contact position currentless)
Relay 1 (contact position currentless)
Relay 2 (contact position currentless)
Relay 3 (contact position currentless)
Relay 4 (contact position currentless)
Current input 4 ... 20 mA
Power supply
pH
Ref.
11
12
13
47
48
49
57
58
59
51
52
53
54
55
56
PA/
PM
15 V
85
86
S
10-50 V
81
93
82
94
10-50 V
L+
L-
L1
N
23 +
24 -
mA
~ =
41
42
43
pH
mA
31
32
mA
33
34
A
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
SRC
DRN.
B