User manual

Table Of Contents
Configuring an M1 CPU with Modsoft
870 USE 101 00 V.3 211
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.
l If the mode is RTU, the number of data bits is always 8.
l 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.
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Note: The factory-set default is 8-bit RTU.
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: