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Operating Guide | VACON® 100 Wall-mounted Drives
A
A The termination is activated
C The termination is activated with a DIP switch
E The fieldbus
Illustration 40:
Setting the Bus Termination for a Fieldbus Line
LOSS OF TERMINATION RESISTANCE
If the last device on the fieldbus line is powered down, the termination resistance is lost. The loss of termination resistance
causes signal reflections on the line, which can disrupt the fieldbus communication.
Do not power down the last device on the fieldbus line while the fieldbus is active.
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5. In IP21, unless you have cut the openings for other cables, cut an opening on the cover of the drive for the RS485 cable.
6. Put the cover of the drive back. Pull the RS485 cables to the side.
A Keep the distance of the Ethernet, I/O and Fieldbus cables from the motor cable at a minimum of 30 cm (11.81 in).
Danfoss A/S © 2019.05
D
E
B
B The termination is deactivated
D The bus termination. The resistance is 220 Ω.
N O T I C E
Control Unit
D
C
AQ298036140958en-000101 / DPD01711| 83
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