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SEW MoviTRAC7 on Profibus

SEW MoviTRAC7 on Profibus

SEW MoviTRAC7 on Profibus

(OP)
I have recently integrated a Movitrac7 Inverter drive with a S7-300 CPU using profibus,i use a SEW UFP profibus interface unit, the sub-system for the inverters run on what SEW call S-Bus and this configuration is done using Movitools Ver 4.

Problem :

Even though the enable/stop command and setpoints are given over the profibus, i still had to connect +24VDc to terminal DI01 CW/Stop to get the Inverter to enable.

The inverter feedback also interfaces via the S-Bus

Is there any paramater that i can set to not have to wire this input, i know u cannot change the function paramater for this.

Can anyone help??

Regards

Rheinhardt

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