Azbil AUR355 - Wiring; RS-485 Communication Setup

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Chapter 2. Wiring
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RS-485 communication
The RS-485 cable for this device consists of three wires.
Connect the cable as shown below using the front wiring connector for this device
(sold separately).
Handling Precautions
• Attach terminating resistors (½ W or more, 150 Ω ±5 %) at each end of the
communications lines.
However, if a device that does not allow a terminating resistor is connected to
the same communications line, follow the specifications for that device.
• Be sure to connect the signal ground (SG) terminals to each other. Otherwise,
communication may be unreliable.
• Use twisted-pair cable for communication wiring.
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28
25
26
29
30
31
35
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•
•
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DA
DB
SG
RS-485
Connector for front wiring
(sold separately)
81447514-001
Connector for front wiring
(sold separately)