Operation Sequence; Operation Sequence With The "M Function Finish 1" Signal (Fin1) For Completing A Miscellaneous Command; Operation Sequence With The "M Function Finish 2" Signal (Fin2) For Completing A Miscellaneous Command - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (2/2)
12 Handling of M, S, T, B Functions
12.2 Miscellaneous Function Finish

12.2.1 Operation Sequence

When a miscellaneous command (M, S, T or B), which is set to wait for a finish signal with the parameter (#1401 to #1418), is
issued in a machining program, the NC outputs the miscellaneous command code data and the "M function strobe" signal
towards the PLC. The NC will complete the miscellaneous command process at the falling edge of the "FIN1" signal or at the
rising edge of the "FIN2" signal and will proceed to the next block.
12.2.1.1 Operation Sequence with the "M Function Finish 1" Signal (FIN1) for
Completing a Miscellaneous Command
The operation sequence where the "FIN1" signal is used is introduced below.
It is essential to program a sequence process that turns OFF the "FIN1" signal after ensuring an inactivation of the strobe
signal.
[In the case when completed by "FIN1"]
The program proceeds to the next block at the falling edge of "FIN1".
Machining program
M code data
NC PLC
Strobe (MFn)
PLC NC FIN1
Designated M function process
12.2.1.2 Operation Sequence with the "M Function Finish 2" Signal (FIN2) for
Completing a Miscellaneous Command
The operation sequence where the "FIN2" signal is used is introduced below.
It is essential to program a sequence process that turns OFF the "FIN2" signal after ensuring an inactivation of the strobe
signal.
[In the case when completed by "FIN2"]
The program proceeds to the next block at the rising edge of "FIN2".
Machining program
M code data
NC PLC
Strobe(MFn)
PLC NC FIN2
Mxx Next block
Mxx code data
Next block
Mxx
Mxx code data
471 IB-1501668-B