Modbus Beta Plugin

[RWC]

Hi.
Is the Modbus Beta plugin fully tested and functional ?
Also, is there any documentation regarding its set-up and usage ?
Is it compatible with any type of slave on a network ?
Any working examples or pertinent topics/posts ?
I have several small PLC's with RS485 and Modbus addressing that I would like to try.
Thanks,
Russ

[Vmax549]

Hi Russ, Did you look in the Documentation folder ??

(;-) TP

[RWC]

Hi Terry.
Yup … just did
Thanks !
Soooorrry

[RWC]

I'm having trouble understanding the Variables Table, also called the register table ? Please explain for me, thanks.

And the addressing.
The PLC and drives I've used have Modbus 984 addressing, like in the pic below for the Click PLC.
Where are the associated addresses in the plugin/UCCNC ?
For instance, If I wanted PLC output Y001 (8193) to be read by the master UCCNC and operate a function ... like flood coolant ON ?

Hate to appear thick..... but I'm thick

[Battwell]

once you have set up a connection- ie baud rate etc (just fill in the boxes)
use add function.
eg read single register. - and fill in the register address you want to read.
press start loops
you will get a green reading if successful / red if not in the debug view
its quite simple when you get the hang of it!

[RWC]

Hi Battwell, thanks for responding.
That part, I think I've got. The master reads the registers from the PLC and stores the info in the table ..... and vice-versa.
The table is what threw me.
So the UCCNC register in the picture would be variable # 64 ?
Are they numbered by column ? or row ? 64 or 37 ?

Then write custom macros do whatever you wish by accessing the appropriate registers ?

Thanks again,
Russ

[cncdrive]

Yes, the variable table is numbered like that, that one is the 64. register.
Yes, you can write macros or macroloops or plugins to read/write the tables and to do whatever you want to do with the datas.
For example you can get the value from the table and do a button call in the macro if that variable changes to some value.
Or you can read the value of a register or registers and write the data to a DRO.

[RWC]

1

[RWC]

worst ever .. cant log in ....test

[RWC]