Siemens GC..M.. Manual de usuario descargar pdf (Pagina 7)

http://www2.merrick-inc.com/mct/GCMModbus.pdf Page 7 2014-05-18/Lars

If you are using one of the recommended

protocol converters from Anybus, Merrick has

an adapter board (Part No M22787-1) that

connects to the DB9-S connector and offers

screw terminals for the cable.

When you have connected and powered up,

check that all looks OK in the ModBus

Diagnostic screen. See page 8.

Troubleshooting tips

Setting up industrial networks can sometimes be a daunting task. In this example, you may have

to deal with several mapping layers and communication protocols. Fortunately, there are excellent

troubleshooting tools available.

Look at the LED's on the GCM board.

The transmit (GCM sending) LEDs are red, and the receive LEDs are green. No receive activity

indicates cable or host problems. No transmit activity indicates addressing or serial parameter

problems

Transmit

Receive

Port 1

Transmit

Receive

Port 2

Check Data in the TCMI CIT Diagnostic Screen.

The TCMI CIT Diagnostic Screen (P1) displays data in the CIT as it is received and transmitted

over the Modbus port.

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Siemens GC..M.. Manual de usuario Pagina 7