Parameter Communication Address
‑13‑
Figure 1‑2 Current station number of device 1
Figure 1‑3 Current station number of device 2
Manually Setting Station Number
1. Set parameters Fd‑18 and Fd‑39 of each power supply unit as appropriate. By
default, Fd‑18 is set to 1 and Fd‑39 is set to 0 (auto mode).
Set Fd‑18 to the number of the power supply unit.
Set Fd‑39 to 1 (manual mode). In this mode, the station number is determined by
Fd‑40 to Fd‑48.
2. Set Fd‑40...Fd‑48 to assign station numbers as needed.
3. Restart the AC drive to make the settings take effect.
4. Formula and diagram of algorithm for auto station number assignment:
Algorithm:
Station number of power supply unit = Fd‑40
Station numbers of drive units 1 to 8 = Fd‑41 to Fd‑48
Station number of slot 1 = (Fd‑18 – 1) x 7 + 133
Station number of slot 2 = (Fd‑18 – 1) x 7 + 134
Station number of slot 3 = (Fd‑18 – 1) x 7 + 132
You can refer to Fd‑93...Fd‑99 to view the station number of the device connected
to a slot.
Example: The following table lists the parameter value when two AC drives are
cascaded.
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