I/O Blocks > Fieldbus Multiple Discrete Input (FFMDI_STD) function block

Fieldbus Multiple Discrete Input function block execution

I/O Selection

When you configure the Fieldbus Multiple Discrete Input function block, you assign the block to an MDI block in a fieldbus device.

Block Errors

The following conditions are reported in the BLOCK_ERR parameter:

  • Input failure/process variable has Bad status — The source of the block's process variable is bad.

  • Out of Service — The block is not being processed.

  • Other Error — The block is not communicating with the device or the device function block actual mode is out of service.