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Reading/Writing Using Commands in Common Area
Confirm that Request Exclusive area, Respond to Exclusive area, Request Common
area, and Respond to Common area are all OFF.
Then conduct the following process.
When Request Common area is ON, IN-100 judges whether it is "write" or "read" that it
should execute depending on ON or OFF of R/W and then executes the command.
When execution of the command is completed, the command data change to turn
Respond to Common area ON.
When the command ended up being completed as error, Read command number becomes Oxffff,
and the error code and error code auxiliary eventually change. See Page 42 List of CC-Link Error
READ
1. Write the command no. value in Write command no. Set values in 16-bit BCD.
2. Turn ON Request R/W.
3. Confirm Respond to R/W is ON.
4. Turn ON Request Common area.
5. Confirm Respond to Common area is ON.
6. As the value in Read command data has been changed, read this value.
Set values as 32-bit signed binary values.
7. Turn OFF Request Common area.
8. Confirm Respond to Common area is OFF.