Kaco Powador 2002 Operating Manual page 28

Installing the inverter
Authorised electrician
NOTE
When laying the interface connection cable, note that too little clearance to the DC or AC cables can
cause interference during data transfer.
Switch
Figure 24: Communication circuit board
Activating the terminating resistor
On the terminal unit of an inverter chain, a terminating resistor (Ra) of 330 Ω is connected.
(Figure 24). This resistor is required for correct signal transmission.
1. Switch "1" must be set to "ON" on the terminal unit.
2. Switch "2" must be set to "OFF".
S0 Error
Figure 25: Interface terminals
Page 28
RS 485
Operating Instructions for Powador 2002-6002_EN