Fig. 74:
screwable 6-terminal connector - RS-485
Terminal Description
.. used for FULL duplex
mode
... used for HALF duplex
mode
A
max
1
A
A (RxD+)
1.5 mm
2
2
B
B (RxD-)
1.5 mm
2
3
GND
GND - local galvanically isolated
1.5 mm
2
4
SHLD
Shield connected to earth via RC element
1.5 mm
2
5
Y
Y (TxD+)
Y (TxD+ / RxD+)
1.5 mm
2
6
Z
Z (TxD-)
Z (TxD- / RxD-)
1.5 mm
2
Table 24: Pin assignment
RS-485 half-duplex
Y
Woodward Controller
Z
(Slave 1)
External
(Master)
120 Ω
120 Ω
(TxD+RxD+)
(TxD-RxD-)
Y
Woodward Controller
Z
(Slave n)
Fig. 75:
RS-485 - connection for half-duplex operation (120 Ohms termination resistor
at both ends)
111
easYgen-3000XT Series
B37574
3 Installation
3.4.2 RS-485 Interface
Released