Kaco Powador 2002 Operating Instructions Manual page 25

Installing the inverter
Authorised electrician
Schalter / switch
Figure 23: Communication circuit board
Activating the terminating resistor
A terminating resistor (Ra) with a value of 330 Ω is connected at the terminal unit of an inverter chain.
(Figure 23).
This resistor is required for correct RS485 signal transmission.
1. Switch "2" must be set to "ON" on the terminal unit.
2. Switch "1" must be set to "OFF".
Error
S0
Figure 24: Interface terminals
7.4.1 Connecting the fault signal relay
The contact is designed as an N/O contact and is labelled "ERR" on the circuit board.
Maximum contact load
DC
AC
Operating Instructions for Powador 2002-6002_EN
RS485
CAN
OFF
RS 485
30 V / 1 A
250 V / 1 A
EN
Page 25