Start-up 41
Initializing the communication between the NETA-21 and
drives online
WARNING! Follow the instructions in section Safety in installation.
Initializing the communication between the NETA-21 and
ACS800 drives (or other drives with the RDCU control unit)
1. Switch the drives on.
2. In the first drive, change the node address of channel 3 (CH3) to 1 (example: ACS800
standard control 70.02 CHANNEL 3 ADDR = 1).
3. In the second drive, change the node address of channel 3 (CH3) to 2 (example:
ACS800 standards control 70.02 CHANNEL 3 ADDR = 2).
4. Give the rest of the drives a unique ID as well.
See the appropriate drive manuals.
5. Switch the drives off to set the channel address settings.
6. Switch the NETA-21 off or disconnect the fiber optic cable from the NEXA-21 for more
than 1 minute.
7. Connect the drives to the NEXA-21. See section Communication connections. Use
either the ring or star topology.
8. Switch the drives, NETA-21 and NEXA-21 on.
9. Wait until the PWR and STAT LEDs of the NEXA-21 go green.
Tx and Rx LEDs are yellow indicating that there is data transmission between the
NETA-21 and monitored devices.
10. Log on to the UI when the STAT LED of the NEXA-21 is blinking green.
The UI recognizes the monitored device automatically and the drive is shown in the
user interface.
Note: If the NETA-21 does not detect all drives automatically, go to Settings –>
Device interfaces –> –> Rescan devices.
11. Click Save.
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