ABB NETA-21 Installation And Startup Manual page 8

8 NETA-21 remote monitoring tool
Data link connections –
Drive (/converter/inverter) with the ACS-AP-x panel
Termination switch
of the bus
ABB drive,
converter or
inverter
PC
Note: The RJ45 connectors of the control panel are located in the "ceiling" of the control panel
housing. Beside the left-hand side RJ45 connector in the control panel housing there is a switch
that must be pushed upwards in the last drive of the chain to terminate the bus.
The maximum number of devices per panel port bus is 10.
Set a unique ID to each node on the panel bus. See the appropriate
drive/converter/inverter manual.
NETA-21
PNL1
PNL2
PC
ETH1
ETH2
ABB drive,
converter or
inverter
Link to Ethernet networks
Termination switch
of the bus
ABB drive, ABB drive,
converter or converter or
inverter inverter