User's Manual

82 Mercury Reference Manual 05-4446A01, Rev. C
Figure 3-46. Modbus/TCP Server Listening Port
4. On the next screen (
Figure 3-47), press A to change the Modbus
serial format, then press the space bar to toggle between the avail-
able formats (MODBUS/RTU or MODBUS/ASCII). Press B to enter the
Modbus serial timeout value in milliseconds. Press N to continue the
wizard.
NOTE: The only difference between Modbus/RTU and
Modbus/ASCII is the form of the framing sequence, error
check pattern, and address interpretation.
Figure 3-47. Choose Modbus Serial Format and Timeout Value
Note: Modbus Timeout setting is in milliseconds
, not seconds
as displayed in the example above.