Data Block

Command-Slave function requires data blocks (hereafter, DBs) that exchange data between robot controllers and PLCs.

DB is a suit of data that has predetermined elements. Several DBs can be created in the memory area of PLC.
Customers can create DBs freely; however, when using Command-Slave function, use "DN_DB", which is DENSO provided data blocks.

Role of DB

Any data saved in a DB can be sent to a FB for use.
Also, a DB can temporarily keep FB-processed data and transfer it to another FB,