Delta RMC101 Uživatelský manuál stáhnout pdf (Strana 298)

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101

RMC100 and RMCWin User Manual

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4. Wire, Test, and Tune the System

The system should be wired as described in the design above. Test the functionality of the final

system, and finally tune the system as described in the RMCWin online help.

Reference

Throughout this technical note, references are made to RMCWin online help index entries. To

obtain the RMCWin software package, contact Delta Computer System’s web site

(www.deltacompsys.com).

5.2 Ethernet

5.2.1 RMC Ethernet Module Overview

Uses for the RMC ENET Module

The RMC ENET module allows the RMC to communicate with other Ethernet devices, including

many PLCs and PCs. This port can be used in a number of ways, as listed below:

• Control or Monitoring from a Third Party PLC or Software Package

This is the most common and powerful use for the RMC ENET module. The RMC can emulate

the Ethernet protocols of most major PLCs, including PLCs from the following manufacturers:

Allen-Bradley, Automationdirect.com, Modicon, Omron, Siemens, and SoftPLC. As a result, any

PLC or PC-based control or HMI package that can access data in one of these PLCs should be

able to access data in the RMC. See Using the RMC ENET with Programmable Controllers for

details.

• Communication with RMCWin

The RMC ENET module allows communication with RMCWin in place of the serial port

connection. Using Ethernet in place of a serial cable to communicate between the RMC and

RMCWin has the following advantages:

o Much higher performance than RS232 in most cases (using low-speed connections such as

modems will slow this down).

o Longer cable distances are allowed.

o Eliminates running the extra serial cable if it would otherwise not be used.

o Allows addressing many RMCs from a single PC without switching serial cables or adding

more serial ports to the PC.

See Using the RMC ENET with RMCWin for more details.

• Control or Monitoring from a Custom Device or Software

Some advanced users will want to write their own control or HMI package on the PC. There are

several options available for such users:

o For Windows-based applications, the RMC ENET ActiveX Control provides a simple interface

for communicating with the RMC over Ethernet. Visual Basic, Java, and Visual C++ all

support ActiveX Controls. See the RMCLink topic for details.

o For any applications with access to a TCP/IP API (such as Winsock for Windows and BSD

Sockets for Unix), any of the protocols supported by the RMC can be used. See Using

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