ProSoft Technology ProTalk PTQ-104C Instrukcje Operacyjne Strona 51

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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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