Setup
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Figure 3.91
–
Modbus Auxiliary Map Configuration
The Modbus Auxiliary Map configuration consists of the following parameters:
Parameter
Description
Modbus Function
This is the Modbus function that is sent to the Modbus Slave.
Read
–
Read a Modbus Register (e.g. HR, IR, CS, or IS) from a Modbus Slave.
Write
–
Write a Modbus Register (e.g. HR or CS) to a Modbus Slave.
Register Type
Modbus Register Type:
CS
–
Coil Status
IS
–
Input Status
IR
–
Input Register
HR
–
Holding Register
Local Reg.
The local (internal) ControlNet Router Modbus register address.
Count
The number of Modbus elements to read or write.
Remote Reg.
The remote slave Modbus address register.
IP Address
The IP address of the remote Modbus TCP slave.
Node
The Modbus Node address of the remote Modbus slave.
Reformat
Used to specify how the data is formatted before writing to, or after reading
from, the Modbus slave.
None
–
No reformatting applied. (AA BB CC DD).
BB AA
–
16bit Byte swap
BB AA DD CC
–
32bit Byte Pair Swap
CC DD AA BB
–
Word Swap
DD CC BB AA
–
Word and Byte Pair Swap