Kaco Powador 2002 Operating Manual page 29

Installing the inverter
Authorised electrician
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
Connecting the fault signal relay
1. Unscrew the cable fi tting.
2. Thread the connection cables through the cable fi tting.
3. Connect the connection cables to the connection terminals.
4. Tighten the cable fi tting.
7.4.2 Connecting the S0 output
An S0 pulse output is located on the communication board. Use this output to control accessories such as a large
display, for example. The pulse rate of the output is adjustable.
Connecting the S0 output
1. Unscrew the cable fi tting.
2. Thread the connection cables through the cable fi tting.
3. Connect the connection cables to the connection terminals.
4. Tighten the cable fi tting.
NOTE
Ensure that the wires are properly connected. Communication is not possible if the wires are
reversed.
7.4.3 Connecting the RS485 bus
NOTE
Ensure that the A and B wires are properly connected. Communication is not possible if the wires are
reversed.
7.4.3.1 Wiring diagram
Powador Powador
Inverters Inverters
Terminal unit
Figure 26: RS485 interface wiring diagram
Operating Instructions for Powador 2002-6002_EN
30 V / 1 A
250 V / 1 A
Powador Powador
Inverters data logger
Communication
230 V AC
Page 29