4-1
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
4
This section describes the words allocated to the PROFINET IO Controller Unit in the
CIO Area and DM Area. These words both enable controlling the Unit and accessing
Unit and network status.
4-1 Data Exchange with the CPU Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4-1-1
Data Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
4-1-2
Accessing From the User Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
4-2 Device Variables for CJ-series Unit (Software Switches, Statuses) . . . . . 4-8
4-2-1
Software Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
4-2-2
Unit Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
4-2-3
IO Controller Status 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-11
4-2-4
IO Device Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13
4-2-5
IO Device Input Valid Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
4-2-6
IO Device New Alarms Flags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15
Data Exchange with the CPU Unit