7.1.2 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 shield to the cable clamps.
NOTE!
Shielded, twisted-pair cables are recommended in or-
der to reduce noise between conductors.
Figure 7.1: Network Terminal Connection
Figure 7.2: Control card terminals
7.1.3 VLT AQUA Hardware Set-up
Use the terminator dip switch on the main control board of the adjustable
frequency drive to terminate the RS-485 bus.
Terminator Switch Factory Setting
NOTE!
The factory setting for the dip switch is OFF.
7 RS-485 Installation and Set-up VLT
®
AQUA Drive Design Guide
7-2
MG.20.N5.22 - VLT
®
is a registered Danfoss trademark
7
To Next Page
Loading...
