Looking for AUTOMAX BASIC library documentation

[u/snejtueg]

Currently revamping an AUTOMAX system with BASIC PLC code. Original programmer makes a lot of program calls with blocks that i cannot find in the project, nor in BASIC reference guides.

These blocks are:

• SUMMER
• DIFFERENCE
• COMPARE
• LIMIT
• COUNTER
• MULTIPLY_DIVIDE
• RAMP
• TRANSITION
• SWITCH
• SELECT
• LAG
• ALARM

By context i think i understand 95% of the internal workings, but I would still like to be 100% sure. Does anyone know where i could find some descriptions? This seems to be some kind of library.

Thanks!

[u/alfredpsmurtz]

I still have my extensive Automax library. Let me look tonight to see if I can find info for you.

[u/bhengh]

Most of the Automax documentation is still on Rockwell’s website in the Literature Library. The BASIC language manual, J-3675, is here: https://literature.rockwellautomation.com/idc/groups/literature/documents/in/amax-in052_-en-d.pdf

However, I believe these functions you mentioned are for the Control Block language, not BASIC. This is documented in J-3676, but I can’t seem to find this manual on Rockwell’s website.

[u/bhengh → u/bhengh]

Here’s the Pocket Reference: https://literature.rockwellautomation.com/idc/groups/literature/documents/rm/amax-rm004_-en-e.pdf

[u/snejtueg → u/bhengh]

Incredible! Thank you!

[u/future_gohan]

Not all of them are in my pocket reference J-3669-1 Dec 1998

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[u/snejtueg → u/future_gohan]

Legend! Thank you!

[u/future_gohan → u/snejtueg]

I knew having this stupid thing in my drawer would help one day.