Minimum Input Pulse Width; I/O Allocation - Panasonic FPS Series User Manual

FPΣ User's Manual

7.3.2 Minimum Input Pulse Width

For the period T (1/frequency), a minimum input pulse width of T/2 (single-phase input) or T/4
(two-phase input) is required.
T
T T
2 2
Single-phase input

7.3.3 I/O Allocation

The inputs and outputs used will differ depending on the channel number being used. (See
"Function Specifications and Restrictions" on page 102.)
The output to be turned to TRUE or to FALSE can be specified with the instructions
F166_HighSpeedCounter_Set and F167_HighSpeedCounter_Reset. Outputs can be
specified from Y0 to Y7.
Using channel 0 with incremental input and reset input
FPΣ:
Using channel 0 with two-phase input and reset input
FPΣ:
Two-phase input
Count input X0
1
Reset input X2
2
TRUE/FALSE output
3
The output which is turned TRUE or FALSE when the target value is
Yn
reached: Y0–Y7
Phase A input X0
1
Phase B input X1
2
Reset input X2
3
TRUE/FALSE output
4
The output which is turned TRUE or FALSE when the target value is
Yn
reached: Y0–Y7
7.3 High-Speed Counter Function
T
T T T T
4 4 4 4
109