Mitsubishi Electric M800VW Series Programming Manual page 506

M800V/M80V Series PLC Programming Manual (2/2)
12 Handling of M, S, T, B Functions
12.4 M Code Independent Output
Example of M02 process (Carrying out "Reset & rewind" with M02 command)
In cycle start
M code
M code independent
output
MF
FIN1
Reset & rewind
In reset
(In rewind)
[Explanation of operation]
(a) The CNC outputs the M code data and MF to the PLC (machine).
Refer to the section "12.6 Precautions" for details on the M code data and MF output timing.
(b) The PLC (machine) confirms that the MF signal has turned ON, and then carries out the specified operation. It then
turns "Reset & rewind" ON.
(c) The CNC confirms that "Reset & rewind" has turned ON, then turns MF, "M code independent output" and "In cycle
start" OFF, and then starts the rewinding operation.
(d) The PLC (machine) confirms the "In reset" or "In rewind" signals, and then turns the "Reset & rewind" signal OFF.
M02
M02
(a) (b) (c) (d)
485
Reset state
*1 FIN does not turn ON.
*2 Turns OFF after confirming "In reset" or
"In rewind" signal.
IB-1501668-B