Momentum Modbus Plus 170 PNT Series Guía de usuario Pagina 283

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Configuring an M1 CPU with Concept
870USE10110 July 2004 283
Changing Mode and Data Bits
Introduction From the Modbus Port Settings dialog box, each port can be configured to operate
in one of two possible modes – RTU or ASCII.
If the mode is RTU, the number of data bits is always 8.
If the mode is ASCII, the number of data bits is always 7.
Procedure To change the mode and data bit parameters, perform the steps in the following
table.
Note: The factory-set default is 8-bit RTU.
Step
1 Click on the down arrow under Mode. A menu appears displaying your two Mode
options
2 Click on the RTU or ASCII entry.
Result: The Ports setting Window is updated with the Mode type you have specified,
the corresponding Data Bit value appears.
Example: If you change Modbus Port 1 from RTU mode to ASCII mode, the Data
Bit value also automatically changes from 8 to 7.
9600
9600 RS485
Modbus Port Settings
Ok
Cancel
Help
Baud Data bits Stop bits Parity Delay(ms)
Address
Head slot Mode Protocol
1
2
8
8
1
1
Even
Even
10
10
1
1
0
0
RTU
RTU
RS232
B
ridge Mode
ASCII
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