Panasonic FPS Series, User Manual

Page: 126 / 332

FP Σ User's Manual
7.3 High-Speed Counter Function
109
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
2 T
2
T
4
T
T
4 T
4 T
4
Single-phase input Two-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
1
Count input X0
2
Reset input X2
3
TRUE/FALSE output
Yn
The output which is turned TRUE or FALSE when the target value is
reached: Y0–Y7
FP Σ :
Using channel 0 with two-phase input and reset input
1
Phase A input X0
2
Phase B input X1
3
Reset input X2
4
TRUE/FALSE output
Yn
The output which is turned TRUE or FALSE when the target value is
reached: Y0–Y7
FP Σ :