Danfoss VACON OPTE3 - Setting the Termination Resistance

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Data A +
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Data B -
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Shield
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VP
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Minus
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Data Ground
Illustration 22: Fail-safe Biasing in OPTE2
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Data A +
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Shield
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Plus
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Minus
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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.
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AN338644703080en-0002 / DPD0215644 | Danfoss A/S © 2022.08
RS485-based Option Boards
VACON® RS485 and CAN Bus Option Boards
Installation Guide