FIFO function block in RSLOGIX5000

[Udunit]

Anyone know of an easy way to program a FIFO in function block for RSLOGIX500. There appears to be no instruction for this. I'm sure I can put something to gether to make it function, but if someone has an easy fix this would help. The process is realitively simply. Filling 5 scales from 1 silo...in a nut shell.

Thanks

 

[bernie_carlton]

Which? RSLogix 5000 or 500? Your title says one while your text says the other.

But both appear to have the FFL (FIFO Load) and FFU (FIFO Unload) instructions.

Edit - I just noticed your 'Function Block' qualification in your original post. Sorry. I guess it's 'roll your own' time.

 

[Udunit]

Sorrry...5000

 

[daba]

Could you make an Add-On Instruction, programmed in Ladder, containing the FFL/FFU as appropriate, and use the AOI in your FBD

 

[osmanmom]

http://www.plctalk.com/qanda/showthread.php?p=108363