ProSoft Technology ProTalk PTQ-104C Istruzioni per gli Interventi Scaricare il pdf (Pagina 55)

Setting Up the ProTalk Module PTQ-MCM ♦ Quantum / Unity Platform

Modbus Communication Module

ProSoft Technology, Inc. Page 55 of 139

April 29, 2008

If there is no response from the module, follow these steps:

1 Verify that the null modem cable is connected properly between your

computer's serial port and the module. A regular serial cable will not work.

2 On computers with more than one serial port, verify that your communication

program is connected to the same port that is connected to the module.

3 If you are still not able to establish a connection, contact ProSoft Technology

for assistance.

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ProSoft Technology ProTalk PTQ-104C Istruzioni per gli Interventi Pagina 55