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RS-485 Connection
Control data is transmitted and received between the con-
troller and other peripherals. Use a shielded cable of data
communication grade, consisting of two twisted pairs suit-
able for RS485. Cable length may be extended up to 1 200
m (4 000 ft).
G
5
GND
Internal Diagram
Note: Make sure to turn the DATA switch on the rear of the
controller to RS-485 position.
15
T
R
B
A
B
A
RS485
4
3
2
1
TB TA RB RA
4
TB
3
TA
2
RB
1
RA
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