1
2
3
4
5
C
A
B
D
E
F
G
e3
0b
i0
97
.1
0
A
Data A +
B
Data B -
C
Shield
D
VP
E
Plus
F
Minus
G
Data Ground
Illustration 22: Fail-safe Biasing in OPTE2
1
2
3
4
5
C
A
B
D
E
F
G
e3
0b
i0
98
.1
0
A
Data A +
B
Data B -
C
Shield
D
VP
E
Plus
F
Minus
G
Data Ground
Illustration 23: Termination Resistance in OPTE2
5.4.3 Setting the Termination Resistance
Install termination resistance near both ends of the RS485 segment. The typical termination resistance for RS485 is 120 Ω.
D
C
D
E
A
B
e3
0b
i0
72
.1
0
AN338644703080en-0002 / DPD02156
44 | Danfoss A/S © 2022.08
RS485-based Option Boards
VACON® RS485 and CAN Bus Option Boards
Installation Guide
Содержание VACON OPTE3
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