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VACON® RS485 and CAN Bus Option Boards
Installation Guide
1
2
3
A
1
2
3
1
2
3
B
1
2
3
A
Bus termination is ON.
B
Bus termination is OFF (factory default setting).
Illustration 13: The Settings of the Jumper X13, Termination Resistor, Positions A and B
1
2
3
A
1
2
3
B
A
GND is connected to cable shield.
B
GND is not connected to cable shield (factory default setting).
Illustration 14: The Settings of the Jumper X14, Grounding, Upper Row, Positions A and B
1
2
3
A
1
2
3
B
1
2
3
C
A
Cable shield is connected directly to PE (factory de-
fault setting).
B
Cable shield is connected to PE through RC.
Illustration 15: The Settings of the Jumper X14, Grounding, Lower Row, Positions A, B, and C
5.2 The OPTC3/C5 Option Board
Fieldbus is connected to the OPTC3 option board using a 5-pin pluggable bus connector, and to the OPTC5 option board using a
Sub-D9 connector. OPTC5 uses a different fieldbus connector.
40 | Danfoss A/S © 2022.08
C
Cable shield is not connected.
RS485-based Option Boards
AN338644703080en-0002 / DPD02156
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