SCADA | Omron PLC Center

SCADA

Archived Posts from this Category

SCADA and PLC04 Feb 2010 06:11 pm

Understanding for DeviceNet Network and Communication

DeviceNet has become one of the most supported control networks. This is an open standard, so components from a variety of manufacturers may, in the same system of control to be used. It is supported and funded by the Open DeviceNet Vendors Association (ODVA) (see http://www.odva.org). This group includes members from all major manufacturers of controls.

device Net network
(more…)

Tags: controlnet network, devicenet communication, devicenet network, dh 485 network, ethernet ip network, ethernet network, modbus network, plc, profibus network, SCADA, serial network

SCADA and PLC training18 Dec 2009 01:37 am

How difference between modbus RTU and modbus ASCII

Modbus RTU to Modbus ASCII, but is a different question, or do the same. The difference is clear conclusion.
Different encryption methods by Modbus ASCII is ASCII code format, but that it is the Modbus RTU Bi Na Ry memory size is less data to be sent simultaneously to many Modbus RTU,
So surely that will be sent information. faster when large amounts of data.
The same principle is used for sending data is the same.

Table1. Modbus data structure

Both Modbus ASCII and Modbus RTU Address, but can identify different ASCII is a direct Hex base with two bytes when using Modbus RTU one byte. (more…)

Tags: Modbus, Modbus ASCII, Modbus RTU, modbus rtu protocol, modbus rtu rs485, modbus rtu simulator, modbus rtu specification, modbus rtu to modbus tcp, modbus rtu tutorial, modbus rtu vs ascii, modicon modbus rtu, PLC training, protocol, SCADA

« Previous Page

© Copyright 2007 Omron PLC Center. All rights reserved.

Close

Social Web
E-mail