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11.1.2 Network Connection
Connect the adjustable frequency drive to the RS-485 network as follows (see also diagram):
1.
Connect signal wires to terminal 68 (P+) and terminal 69 (N-) on the main control board of the adjustable frequency drive.
2.
Connect the cable screen to the cable clamps.
NOTE!
Shielded, twisted-pair cables are recommended in or-
der to reduce noise between conductors.
Figure 11.1: Network Terminal Connection
Figure 11.2: Control card terminals
11.1.3 RS-485 Bus Termination
Use the terminator dip switch on the main control board of the adjustable
frequency drive to terminate the RS-485 bus.
NOTE!
The factory setting for the dip switch is OFF.
Terminator Switch Factory Setting
11 RS-485 Installation and Set-up
FC 300 Design Guide
11-2
MG.33.BC.22 - VLT
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