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Frequency input
Figure 2-2-5-2B Frequency input、transmitter wiring diagram
2 wires transmitter
2
2
.
.
2
2
.
.
5
5
.
.
3
3
C
C
o
o
m
m
m
m
u
u
n
n
i
i
c
c
a
a
t
t
i
i
o
o
1、 RS-232C connection
The RS-232C port is at the back of the instrument. （ Figure 2-2-5-3-1A and 2-2-5-3-1B） ， It can be
used for both data transferring with computer and serial printer as well.
The transmission line should use the shielded twisted pair, the length should be less 10 meters.
Yellow
Red
Black
9 pins female socket
Computer side
Figure 2-2-5-3-1A RS-232C com between computer and instrument
RTD input
3 wires transmitter
Figure 2-2-5-2C Transmitter wiring diagram
n
n
w
w
i
i
r
r
e
e
c
c
o
o
n
n
n
n
e
e
c
c
t
t
i
i
o
o
n
n
T.C input
transmitter wiring diagram
4 wires transmitter
Yellow
Red
Black
9 pins female socket
Instrument side
44
4
6
48
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