Description: Modbus agreement at first by Modicon company developed, and in late 1979 the company become snyder Automation (Schneider Automation) part of the department, now Modbus is already the world s most popular industrial fields of the agreement. This agreement support traditional RS-232, RS-422, RS-485 and Ethernet equipment. Many industrial equipment, including PLC, DCS, intelligent instruments are using Modbus agreement as they of the communication between a standard. With it, different manufacturer that control equipment can industrial network repeatedly, centralized monitoring.
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Modbusform.doc