System Controller Operating Instructions Model No. WV-CU161

15
● 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).
TR
RS485
ABABG
GND
5
TB TA RB RA
4321
RA
TB
4
3
2
1
TA
RB