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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There are six outputs manually set high, visible here:. 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.
However, I still cannot seem to change the values. Beckboff do hear a mystery relay click when setting coil ‘0’ to False but no click on true and the status of the coil beckuoff does not change.
TwinCat is also showing no change. I’m getting a “None” back from the write, which indicates it’s failing according to the module’s documentation.
BECKHOFF BK ETHERNET TCP/IP BUS COUPLER
I’m sure this is something simple with bit-wise operations or something like that which I’m overlooking. Any ideas on what I’m doing wrong that causing the writes to fail? You should be able to get it from somewhere, e.
You get the status Nonei. You heard relay click because something wrong happened plc has reset?
BECKHOFF BK9000 ETHERNET TCP/IP BUS COUPLER
ebckhoff I’ll definitely check-out debug mode and Wireshark if nothing else pops-up. 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.
I also have two units Gk9000 at home and BK at work and both exhibit the same behavior. The first parameter of the method is which bit to start reading at and the second parameter is the number of bits to read. So your loop is reading bits [ True if write ok or None if fail You get the status Nonei.
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