YPLS,ZPLS implemented Later 1.14_04 comaptible with the same commands of MPC-816
MPG-2541is not recommended.
Why do you waste more hours to program PLCs still ?
PLC language is
too primitive to program
a complex machinery.
Why don't you take more efficient programming way, like MPC-2000 ?
MPC' s language is a basic like including multiple tasking process.

MPC connects the Internet !
The Eva Soft

MPC-IP ducument