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Industrial automation server

Hai,

I am using Industrial automation server with pci 485/2 card to interface
with Mitsubishi plc with RS485 communication module. I have done the communciation
format setup in plc using laddar diagram. But when I use Industrial automation
server explorer to check its not displaying any value all items are displayed
as bad value.

Then instead of connecting through the PCI 485/2 interface card, I converted
the rs485 informations from plc to rs232 using rs485 to rs232 converter.
Now the Value gets displayed but it doesn,t last long, after some time the
value disappers and once again the same bad value gets displayed.

Any suggestions

Thanks in advance,

S.Saravanan
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