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Modbus

   Also found in: Wikipedia 0.06 sec.

A high-level protocol for industrial networks developed in 1979 by Modicon (now Schneider Automation Inc.). Providing services at layer 7 of the OSI model, it defines a request/response message structure for a client/server environment. Modbus runs over various data links including its own Modbus+ token passing network and serial links such as RS-232 and RS-485.

It is widely used with TCP/IP over Ethernet. Individual device networks connected to Modbus+ or serial links hook into Ethernet via gateways for transport over an IP network or the Internet. Modbus is governed by the Modbus-IDA Organization, a merger of the Modbus Organization and IDA Group in 2003. For more information, visit www.modbus.org.
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The sensor is rated for hazardous environments and has RS-485 Modbus communication capability.
Level sensors & software for inventory control by Plastics Technology
The SEL-551C relay is said to enable easy integration into industrial protection and control schemes with the Modbus RTU protocol.
Overcurrent/reclosing relay by Rubber World
For easy software integration, application programs or 3rd party software can use the Sealevel SeaMAX library or industry standard Modbus protocol.
Sealevel Systems introduces new SeaI/O digital I/O solutions by EDP Weekly's IT Monitor
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