15
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Internal Diagram
■
RS-485 Terminal
Control data is transmitted and received to and from other
peripherals. Use a data grade, double-shielded, twisted
pair cable, suitable for the RS-485. Cable length may be
extended up to 1 200 m (4 000 ft).
T
R
RS485
A
B
A
B
G
GND
5
TB TA RB RA
4
3
2
1
RA
TB
4
3
2
1
TA
RB