Falling Edge, Retriggerable - Advantech APAX-5000 Series User Manual

Pulse/DIR, With Reload, Count Once, DI Gate Enable, Falling Edge, Retrigger-
able
Figure 3.37 shows pulse/direction mode, Ch0_A provides the counting function, one
pulse, one count. Ch0_B provides the clockwise and counter clockwise function.
When the counter0 is enabled, the couner0 starts to count. If the counter value is
overflow or underflow, it will reset to the defined value (e.g. 0x33) and keep counting
repetitively. If the DI0 status is falling edge, the counter0 will starts to count and can
be retriggered. Otherwise, the counter0 will stop counting.
Ch0_A
Ch0_B
Counter0
Enable
DI0
Counter 0
Value
Counter0
Underflow
Ch0_A
Ch0_B
Counter0
Enable
DI0
Counter 0
Value
Counter0
Overflow
Figure 3.52 Pulse/DIR, With Reload, Count Once, DI Gate Enable, Falling Edge,
APAX-5000 I/O Series User Manual
Up
0x34
0x33 0x34 0x35
Down
0x32
0x33 0x32 0x31
Retriggerable
Down
0x33 0x00
.........
Up
0x33 0xF..F
.........
96
0x33
0x33