'Open Serial Communication', line 2: Cannot locate instruction definition #511

EPIC
#1

I am trying to take a program that we wrote many years ago in IOControl that is now in PACcontrol and debug so that it can be sent to a GROOV Epic. Everything works except that I get the following error.

ERROR - Block #33 ‘Open Serial Communication’, line 2: Cannot locate instruction definition #511.

Block #33 includes the “Open outgoing communication” and there are two communication handles. I think the problem is the “initial value” in the communication handles, but I’ve not found a way to configure them to eliminate the error. Any clue why this error would occur and how to eliminate it.

#2

Hi Andrew. Welcome to the Opto forums!

The init commands of PAC and EPIC serial are different.
First up, the EPIC serial modules MUST only go in the first 4 slots.
If that is in order, then the manual will guide you.
Page 294 of the PAC Control Users Guide…

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PAC control you call out the port, EPIC you call out the name.

#3

Looks like a compiler error to me, so I don’t think the comm handle value would cause that - can you post a screen shot of the block or script?