ProSoft Technology ProTalk PTQ-104C Instruções de Operação descarregar pdf (Página 51)

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

Modbus Communication Module

ProSoft Technology, Inc. Page 51 of 139

April 29, 2008

RS-232: Null Modem Connection (Hardware Handshaking)

This type of connection is used when the device connected to the module

requires hardware handshaking (control and monitoring of modem signal lines).

RS-232: Null Modem Connection (No Hardware Handshaking)

This type of connection can be used to connect the module to a computer or field

device communication port.

Note: If the port is configured with the "Use CTS Line" set to 'Y', then a jumper is required between

the RTS and the CTS line on the module connection.

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ProSoft Technology ProTalk PTQ-104C Instruções de Operação Página 51