The BK Bus Coupler connects Ethernet with the modular, extendable TwinCAT I/O makes available configuration tools and Windows NT//XP drivers. Find great deals for Beckhoff BK Ethernet Coupler With 11 Modules. Shop with confidence on eBay!. Configuring the Beckhoff BK Network Parameters. Section Title. Page. 1. Overview of Steps. 1. 2. Parts List. 1. 3. Required Software. 1. 4. Install Required .

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I’ve been trying to use the following code: It appears that when I increment the ‘coil’ it’s just reading one bit further into the stream, as “coil” 1, 2, and 3 are rotating left. I also have two units BK at home and BK at work and both exhibit the same behavior. The analog and multi-functional Bus Terminals can be adapted to each specific application using the KS configuration set.

Beckhoff Ethernet BK, BK | Ethernet TCP/IP Bus Couplers

So your loop is reading bits [ Enquire now Just send us your name, company, telephone number and email to receive a price as soon as possible Name. Email Required, but never shown. Sign up using Facebook. With the K-bus extension, up to Bus Terminals can be connected. It’s unclear to me if you can set the coil state with twincat or not.


Just send us your name, company, telephone number and email to receive a price as soon as possible. However, I still cannot seem to change the values. The Bus Couplers recognise the terminals to which they are connected, and perform the assignment of the inputs and outputs to the words of the process image automatically.

Input for power contacts. They’ve always been helpful and efficient when I have placed orders with them. Jacek Szumigaj 2 8.

Turn ModBus coils on/off with Python – Beckhoff BK – Stack Overflow

Thanks for your message. Enter the part number below and select it to add it to your enquiry. If required, the controller can upload the decentrally created configuration data in order to centrally manage and store this data. Products came with appropriate documents and in new condition.


We understand that credit is a necessary part of business and offer credit agreements on request, subject to status. Depending on the bk900, the analog Bus Terminals’ registers contain temperature ranges, gain values and linearisation characteristics.

I’ve had nothing but positive experience working with EU Automation. The first parameter of the method is which bit to start reading at and the second parameter is the number of bits to read.

Name Company Telephone Email. One unit consists of one Bus Coupler, any number from 1 to 64 terminals and one end terminal. Bianca Born 1 week ago I’ve had nothing but positive‚Ķ I’ve had nothing but positive experience working with EU Automation. The Bus Terminals store settings permanently and in a fail-safe manner. I’d try to rule out any possible hardware configuration issues first though. A member of our team will respond as soon as possible.


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I do hear a mystery relay click when setting coil ‘0’ to False but no click on true and the status of the coil reads does not change. Beckhofr should be able to get it from somewhere, e. I’m getting a “None” back from the write, which indicates it’s failing beeckhoff to the module’s documentation. Connection is through normal RJ 45 connectors.

Any ideas on what I’m doing wrong that causing the writes to fail?

Once your information is submitted, an EU Automation team member will respond as soon as possible. As far as I can tell, the hardware is working fine – I can fully control it via TwinCat3, either through a soft PLC or manually right-clicking and setting the outputs to 1 or 0.