High-Speed Counter and Pulse Output
FPΣ User's Manual
110
7.3.4 Instructions and System Variables
Use the instructions F166_HighSpeedCounter_Set or F167_HighSpeedCounter_Reset to
turn the desired output to TRUE or to FALSE when the specified target value is reached. To
turn the output to TRUE, use F166_HighSpeedCounter_Set. To turn the output to FALSE,
use F167_HighSpeedCounter_Reset.
The high-speed counter operating status, counting values, and control code are stored in
special internal relays and special data registers. The control code contains the counter
settings. To access special data registers and special internal relays, use the PLC-
independent system variables. You can insert system variables directly into the POU body:
Use the "Variables" dialog without entering a declaration in the POU header. Please refer to
the FPWIN Pro online help for detailed information on using system variables.
System variables for memory areas used
Description System variable Address
0 sys_bIsHscChannel0ControlActive R903A
1 sys_bIsHscChannel1ControlActive R903B
2 sys_bIsHscChannel2ControlActive R903C
High-speed counter: control
flag for channel
3 sys_bIsHscChannel3ControlActive R903D
0 sys_diHscChannel0ElapsedValue DDT90044
1 sys_diHscChannel1ElapsedValue DDT90048
2 sys_diHscChannel2ElapsedValue DDT90200
High-speed counter: elapsed
value of channel
3 sys_diHscChannel3ElapsedValue DDT90204
0 sys_diHscChannel0ControlTargetValue DDT90046
1 sys_diHscChannel1ControlTargetValue DDT90050
2 sys_diHscChannel2ControlTargetValue DDT91202
High-speed counter: target
value of channel
3 sys_diHscChannel3ControlTargetValue DDT91206
0 sys_wHscChannel0ControlCode DT90190
1 sys_wHscChannel1ControlCode DT90191
2 sys_wHscChannel2ControlCode DT90192
High-speed counter: control
code monitor for channel
3 sys_wHscChannel3ControlCode DT90193
High-speed counter or pulse
output control code
sys_wHscOrPulseControlCode DT90052
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