ProSoft Technology MVI69-MCM User Manual
Page 66

Configuring the MVI69-MCM Module
MVI69-MCM ♦ CompactLogix or MicroLogix Platform
User Manual
Modbus Communication Module
Page 66 of 167
ProSoft Technology, Inc.
March 22, 2011
Internal Address
0 to 4999 for Modbus Function 3, 4, 6, or 16
or
0 to 65535 for Modbus Function Code 1, 2, 5, or 15.
This field specifies the internal database register to be associated with the
command.
If the command is a read function, the data read from the slave device will be
placed starting at the register value entered in this field.
If the command is a write function, the data written to the slave device will be
sourced from the address specified.
Poll Interval
0
TO
65535
This parameter specifies the minimum interval between executions of a
continuous commands (Enable code of 1). The value is in seconds. Therefore, if
a value of 10 is entered, the command will execute no more frequently than once
every 10 seconds.
Reg Count
Regs
1 to 125
Coils
1 to 2000
The Reg Count parameter specifies the number of registers or digital points to be
associated with the command. Functions 5 and 6 ignore this field as they only
apply to a single data point.
For functions 1, 2 and 15, this parameter sets the number of digital points (inputs
or coils) to be associated with the command.
For functions 3, 4 and 16, this parameter sets the number of registers to be
associated with the command.