Modbus Bit Command

I have a wago controller that will be setup for Modbus. We are using ETHERNET_MODBUSMASTER_TCP function block. I understand the modbus mapping structure, but I am struggling to understand or find an example of how to write a bit to, let's say, a Fwd/run command to a Yaskawa VFd.
Any help would be appreciated.
Glen

http://www.rtaautomation.com/technologies/modbus-tcpip/

This link should help you out in understanding the command codes in the protocol.

Refer to the Yaskawa VFD manual for the modbus address mapping of the coil you need to switch FWD/REV or Run Command.

Hope this helps you out.
Regards,

My last experience with Yaskawa was not bad but their manuals show the addresses in hexadecimal, and some of the wording was pretty poor engrish.

You normally would have messages that continuously repeat (with a little bit of time delay) to allow the drive to not fail on a communication loss. Your logic can then just alter the contents of the data being sent in order to vary the speed and command words.