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MELSEC-Q
8 PROGRAMMING
8.2.2 Program example when GX Configurator-CT is not used
(1) List of devices
Device Function
D0 to D1 Present value storage
D2 to D3 Latch count value storage
D4 to D5 Sampling count value storage
D6 to D7 Periodic pulse count previous value storage
D8 to D9 Periodic pulse count present value storage
D10 Overflow status storage
D20 to D35 Interrupt enabled flag storage for the IMASK instruction
D50 Periodic pulse count previous value/periodic pulse count present value reread counter
D60 to D61 Periodic pulse count previous value temporary storage
D62 to D63 Periodic pulse count present value temporary storage
X20 Count operation start signal
X21 Current value read signal
X22 Coincidence output data setting signal
X23 Preset command signal
X24 Count operation stop signal
X25 Coincidence LED clear signal
X26 Counter function execution start signal
X27 Counter function execution stop signal
X28 Latch count data read signal
X29 Latch execution signal
X2A Sampling count data read signal
X2B Sampling count start signal
X2C Periodic pulse count data read signal
X2D Periodic pulse count start signal
QX10 (X20 to X2F)
Y30 Coincidence confirmation LED signal
Y31 Overflow occurrence confirmation LED signal
QY10 (Y30 to Y3F)
X1020 Module ready
X1022 Counter value coincidence (point No. 1)
Y1020 Coincidence signal No. 1 reset command
Y1021 Preset command
Y1022 Coincidence signal enable command
Y1024 Count enable command
Y1026 Counter function selection start command
QD62 (X/Y1020 to X/Y102F)
M10 Initial setting complete signal
M20 to M25 Interlock for own station and other stations
M100 Master module status check device (for the MC and MCR instructions)
M101
M102
Initial setting completion flag