Re: ethernet-based Gamma ion pump controller (mpc)

[Jack <mauro.giacchini@lnl.infn.it>]

If the checksum and setup are rights,
did you try to cross the serial to Moxa cable ?

Hope this helps
-Mauro

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Mauro Giacchini

Istituto Nazionale di Fisica Nucleare - Laboratori Nazionali di Legnaro
V.le dell'Universita', 2
35020 LEGNARO (PD) - ITALY
Tel./Fax. +39.049.8068558


EPICS _at_ LNL http://www.lnl.infn.it/~epics/

...the first EPICS installation to the project SPES realized from the
scratch in ITALY is in production since begin 2010!!

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

On 6/29/2012 1:51 AM, Scott Baily wrote:
> We're trying to control a Gamma ion multi-pump controller via ethernet 
> from a soft ioc.  The problem is that we can't get any response from 
> the controller. We're using a stream device protocol file that 
> previous worked for an RS232 gamma ion pump controller. Although I 
> have also not been able to get any response by telnetting directly to 
> the port and attempting to issue commands.
> This device uses a checksum, so the problem could be that the checksum 
> is incorrect or some other problem such as the configuration of the 
> MOXA serial to ethernet card that's internal to the device. It appears 
> that I've configured the bit rate, parity, and stop bits to match the 
> devices settings.  What else should I be checking?  perhaps the 
> response is just not being transmitted over ethernet and I should 
> configure data packing? or something else.