ProSoft Technology PTQ-LNG Manual do Utilizador descarregar pdf (Página 43)

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

Landis & Gyr Telegyr Interface Module

ProSoft Technology, Inc. Page 43 of 103

May 29, 2007

RS-422

RS-485 and RS-422 Tip

If communication in the RS-422/RS-485 mode does not work at first, despite all

attempts, try switching termination polarities. Some manufacturers interpret +/-

and A/B polarities differently.

5.2 Connect the PC to the ProTalk Configuration/Debug Port

Make sure you have exited the Quantum programming software before

performing these steps. This action will avoid serial port conflict.

1 Using the supplied Null Modem cable, connect your PC or Laptop to the

Configuration/Debug port on the ProTalk module as shown

2 Click the Windows Start button, then choose Programs ÆAccessories Æ

Communications Æ HyperTerminal.

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ProSoft Technology PTQ-LNG Manual do Utilizador Página 43