Yaskawa MP940 User Manual
Page 126

4.4 CNTR Function
4-33
4
Table 4.8 Timing of External Input Pulses
Pulse Count
Method
Polarity
Up Count (Forward)
Down Count (Reverse)
Sign method
(for 5-V
differential
input)
x1
Positive
logic
Negative
logic
x2
Positive
logic
Negative
logic
A/B method
x1
Positive
logic
Negative
logic
x2
Positive
logic
Negative
logic
x4
Positive
logic
Negative
logic
UP/DOWN
method
x1
Positive
logic
Negative
logic
x2
Positive
logic
Negative
logic
LOW
A pulses
B pulses
HIGH
A pulses
B pulses
HIGH
A pulses
B pulses
LOW
A pulses
B pulses
LOW
A pulses
B pulses
HIGH
A pulses
B pulses
HIGH
A pulses
B pulses
LOW
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
A pulses
B pulses
Fixed at low or high.
A pulses
B pulses
Fixed at low or high.
A pulses
B pulses
Fixed at low or high.
A pulses
B pulses
Fixed at low or high.
A pulses
B pulses
Fixed at low or high.
A pulses
B pulses
Fixed at low or high.
A pulses
B pulses
Fixed at low or high.
A pulses
B pulses
Fixed at low or high.