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Member Information and Posts by jcorrea
from the Instrumentation & control department...
communication protocol
Topic: Local and wide area networking in factory automation.
Originally posted by Saraswathy on 2 November, 2009 - 7:40 am
We are having 10 third party PLC systems to be connected to DCS. We wanted to use ModBus TCP/IP protocol. For this, OPC server facility is required or the PLCs will act as ModBus TCP/IP Server. Please clarify
New Replies:
If your PLCs have Modbus TCP server cards you don't need a OPC server. If your PLCs don't...
Topic: Communications systems and equipment.
Originally posted by Prasanthi on 20 July, 2009 - 11:12 pm
Protocol Converter from MODBUS RTU to proprietary protocol(HAI Omni-Link II protocol) on TCPIP
New Replies:
Solutions from the simpler to the harder: 1.- Consult HAI if they have modbus rtu option cards. ...
from the Networking department...
Modbus RTU Passive Taps
Topic: Local and wide area networking in factory automation.
Originally posted by Shawn H on 29 May, 2009 - 11:55 am
How long can the taps on a modbus network be and are you limited to the amount of taps for 32 devices?
New Replies:
If baud rate is below 19200 and bus lenght below 100 meters, there will be no problem with your...
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