How to Control a VFD with a PLC - Part 3 (Siemens VFD Configuration)

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▶ Check out the full blog post over at
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▶ How to Control a VFD with a PLC - Part 1 (Configuring ControlLogix 5000 and HMS Anybus gateway):
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▶ How to Control a VFD with a PLC - Part 2 (Configuring HMS Anybus gateway and Siemens Robicon VFD):
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▶ How to Control a VFD with a PLC - Part 3 (Siemens VFD Configuration):
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Welcome to lesson 3 of “How to control a VFD with a PLC”.
We have created this series of lessons discussing the steps to configure and program communication between a Rockwell ControlLogix PLC and a Siemens VFD.
As a prerequisite, please watch lessons 1 and lesson 2. Here are the links to these lessons:
Part 1: realpars.com/c...
Part 2: realpars.com/h...
In Part 1, we have addressed how to configure the communication between ControlLogix 5000 PLC and HMS Anybus gateway using ControlNet network media with CIP protocol. (realpars.com/c...)
In Part 2, we discussed how the HMS gateway was set up as a PROFIBUS Master to communicate and control the slave Robicon VFD using PROFIBUS protocol. The gateway is a device for converting or translating ControlNet CIP protocol to Siemens PROFIBUS protocol.
(realpars.com/h...)
The scope of our work in this part, part 3, is primarily provided into setting up the Siemens VFD to complete the communication path between the gateway and the Rockwell ControlLogix processor.
Perhaps for the average learner, the overall communication configuration process to accomplish this may be somewhat complex to understand without all of the details for each of the three-interconnecting, the processor, gateway and VFD, equipment used.
However, our lessons have been created with this in mind, to help simplify the overall configuration by providing only the necessary steps for communication and assumes the learner has some knowledge of the process equipment used in these videos.
If you would like RealPars to provide more details on any of Rockwell processors, HMS gateway and Siemens Robicon VFD, please let us know in the comment section or contact us directly.
Overall, the ControlLogix PAC will be controlling a pump with a simple ON/OFF command and velocity by setting a speed setpoint to the VFD.
In response, the Siemens VFD will return the actual speed reference and VFD status information controlling the pump. This exchange of control data and status information is all performed by the HMS gateway.
We will begin our Robicon VFD configuration by connecting a Laptop Ethernet port using a non-crossover Ethernet cable to Ethernet port on the VFD. Ping the IP address of the Robicon to ensure we are connected.
Next, I will start the Siemens SINAMICS STARTER program and I will complete the first part of the VFD configuration. (sie.ag/2YInjVB)
In the next lesson, Part 4 and the final part of this video series, we will continue with the VFD configuration and jump into configuring the type of motor and its nameplate data.
This concludes this part of the video lesson, ControlLogix PLC and Siemens VFD Communication Part 3.
So the remaining VFD configuration will be offered in Part 4 of this video series.
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To download the Siemens SINAMICS S120 AC Drive manual, please check out the link below:
sie.ag/2M6hZFo
To download the Siemens SINAMICS STARTER Commissioning Software, please check out this link:
sie.ag/2YInjVB
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