
Configuring an M1 CPU with Modsoft
870USE10110 July 2004 197
Procedure To change the mode and data bit parameters, perform the steps in the following
table.
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.
2 Use an arrow key to toggle the cursor onto the desired Mode selection in the popup
window, then push <Enter>.
Result: The Port editor screen is updated with the Mode type you have specified,
the corresponding Data Bit value appears, and the cursor moves to the Parity
column. For example, if you change Modbus port 1 from RTU mode to ASCII mode,
the Data Bit value also automatically changes from 8 to 7, as shown below.
A
Auto
MS-DOS Prompt - COMMAND
Utility Default Bridge Quit
F1
EST
F6
F7 Lev 8 F8 OFF F9F3 F4 F5
PORTS Bridge Mode: N
Number Mode Data Parity Stop Baud Head-Slot Address Delay Protocol
Bits Bits
MODBUS
01 RTU 8 EVEN 1 9600 0 1 10ms
02 RTU 8 EVEN 1 9600 0 1 10ms RS232
RTU
ASCII
A
Auto
MS-DOS Prompt - COMMAND
Utility
Default
Bridge Quit
F1
EST
F6
F7 Lev 8 F8 OFF F9F3 F4 F5
PORTS Bridge Mode: N
NONE
EVEN
ODD
Number Mode Data Parity Stop Baud Head-Slot Address Delay Protocol
Bits Bits
MODBUS
01 ASCII 7 EVEN 1 9600 0 1 10ms
02 RTU 8 EVEN 1 9600 0 1 10ms RS232
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