> From: kwall...@wallacecompany.com
> To: emc-users@lists.sourceforge.net
> Date: Thu, 7 May 2009 19:26:05 -0700
> Subject: [Emc-users] Modbus and Classic Ladder
>
> I was looking at the gs2_vfd component source, and though it is mostly
> greek (or geek) to me, it looks like it's not tied to Classic Ladder. At
> one point it seemed that anything Modbus had to be done with CL and I
> just don't need another language to learn. If gs2_vfd can stand on its
> own, I may try to put in the effort to use it as a model for a few other
> Modbus device drivers.
>
Gs2_vfd and Classicladder use different routines to comunicate with Modbus.
You actually don't need to learn much ladder programming to use Modbus in CL.
You can map modbus directly to CL's HAL pins. One annoyance is that CL's
GUI must be running (can be minimized) for Modbus to work. It is pretty easy to
try if you want.
Cheers Chris Morley
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