
Configuring an M1 CPU with Modsoft
870 USE 101 00 V.2.2
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Changing the Mode and Data Bits
Introduction
From the Port editor screen, 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.
Note:
The factory-set default is 8-bit RTU.
Procedure
To change the mode and data bit parameters, perform the steps in the following
table.
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Step Action
1 Place the cursor on the current Mode entry for the Modbus port you want to enter.
Push
<Enter>
.
Result:
A popup window appears in the top left corner of the screen displaying your
two Mode options:
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