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Using Digital Inputs and Command Data Set 1 to Control a Siemens G120 CU240
Ryan Lake

Using Digital Inputs and Command Data Set 1 to Control a Siemens G120 CU240

I was recently on site with a client to commission a Siemens G120 VFD. This particular VFD was being used to drive a blower motor and inflate an airbag. The client required hard-wired manual control of the motor, in addition to controlling it from the main 1500 PLC. Manual mode control would simply turn the motor on and off at a specified setpoint. Before arriving onsite, DMC decided to use control data set 0 for Profinet control, and data set 1 for hard-wired control. This required some pa...

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