3. Instruction Set
3-447
Function Explanations:
Pulse output diagram:

Freq.

Time

t1

t2

t3

g1 g2 g3

S

2

Pulse number

1. Definitions:
t1 Æ target frequency of 1st shift
t2 Æ target frequency of 2nd shift
t3 Æ target frequency of 3rd shift
g1 Æ ramp-up time of 1st shift
g2 Æ ramp-up time of 2nd shift
g3 Æ ramp-down time of 3rd shift
S2 Æ total output pulses
2. Explanations on each shift:
1
st shift:
Assume t1 = 6kHz, gap freqency = 1kHz, gap time = 10ms
Ramp-up steps of 1st shift:
Freq.
Time
1kHz
t1=6kHz
10ms 10ms 10ms 10ms 10ms
g1=50ms
0Hz