NORD Drivesystems BU0020 - Manual (Page 21)

2 Modules
BU 0020 GB-2612 21
Setting the Profibus address
The Profibus address can be set in decimal from 0 to 99 with the rotary coding switches designated as
"x10" and "x1".
When the PPO switch is set to PGM the value from parameter P508 of the frequency inverter is used.
For this, the frequency inverter must be supplied with mains voltage.
Note
The settings made using the rotary coding switch are not transferred to the frequency
inverter or saved.
Note
Up to the end of 2005, "x16" hex rotary coding switches were used. This resulted in a
different determination of the bus address.
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2.2.4 Installation of the SK TU1 technology unit
WARNING
Modules must not be inserted or removed unless the device is free of voltage. The slots
may only be used for the intended modules. Installation remote from the frequency inverter
is not possible. It must be connected directly to the frequency inverter.
Failure to comply with this may result in an electric shock, which my cause serious injury
and the destruction of the frequency inverter and the module.
Installation of the technology units must be carried out as follows:
1. Switch off the mains voltage, observe the waiting period.
2. Remove the dummy cover by actuating the unlocking device on the top and bottom edge.
3. Press the technology unit onto the mounting surface, until it audibly engages.
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