Hardy HI 6500 Series - Manual (Page 41)

Network Configuration 33
•
•
•
•
•
•
I/O Tables For Communications to PLCs
The following I/O table description is common for the following communication protocols
1 EtherNet/IP
2 Modbus-TCP
3 Modbus-RTU
4 Profibus-DP
For a full list of command parameters, please see the “Default Parameter IDs and Values”
on page 106 at the end of Chapter 5.
OUTPUT Table Description
The first four variables in the output table, Command, Aux Command Information,
Parameter ID, and Parameter Value, are used to send commands to the instrument, write
new parameter values, read existing parameter values, or read data values such as COUNT,
or ROC, etc.
The Command is a 32 bit value, with the top 8 bits indicating the channel (instrument)
number if required, the next 8 bits are reserved, and the bottom 16 bits are used for the
command string as shown below.