Danfoss VACON 100 industrial - RS485 Commissioning and Cabling; General Cabling Instructions for RS485

A
e30bh389.10
A Ethernet cable
Illustration 35: Routing the Ethernet Cables in IP54
See more in the installation guide of the used fieldbus.
7.4.5 RS485 Commissioning and Cabling
7.4.5.1 General Cabling Instructions for RS485
Use only shielded cables with twisted-pair signal wires.
For example, the following cables are recommended:
• Lapp Kabel UNITRONICR BUS LD FD P A, part number 2170813 or 2170814
• Belden 9841
The plug type to be used is 2.5 mm
2
(AWG13).
The theoretical maximum cable length depends on baud rate. See the following table for suggested maximum cable lengths.
Table 20: The RS485 Cable Lengths
Baud rate (kbit/s) Length of line A (m) Length of line B (m)
9.6 1200 1200
19.2 1200 1200
93.75 1200 1200
187.5 1000 600
500 400 200
1500 200 -
3000–12000 100 -
Control Unit
Operating Guide | VACON® 100 Wall-mounted Drives
AQ298036140958en-000101 / DPD01711
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