Purpose
The Device Control (DC) block coordinates the opening and closing of digital devices on the plant floor based upon certain user-defined conditions. This block allows for the timed operation of a device by confirming its status with feedback signals.
Features
The Device Control block:
- Is a primary block.
- Is an optional batch block.
- Can monitor up to 16 digital-input points and can output up to 8 digital-output points.
- Allows two feedback signals (confirm Open and confirm Close) for each output.
- Can be placed on scan by a RUN or CALL command in the Program block or through a Data link.
- Executes all commands without interruption in Automatic mode.
- Suspends the execution of all commands in Manual mode.
