Omron FQM1-CM001 ユーザーズマニュアル
153
Pulse Inputs
Section 7-5
7-5-8
Pulse Input Function Description
The pulse input function uses the high-speed counters. The pulse input func-
tion can be used to monitor changes (movement) in the high-speed counter
PV (mode 1) or changes in the high-speed counter frequency (mode 2).
tion can be used to monitor changes (movement) in the high-speed counter
PV (mode 1) or changes in the high-speed counter frequency (mode 2).
High-speed Counter Function Description
Input Signal Type and
Count Mode
Count Mode
High-speed counters 1 and 2 support the following inputs. The input method
application depends on the signal type.
application depends on the signal type.
Phase Differential Inputs
This method uses the phase Z signal and the two phase signals (phase A and
phase B) for a
phase B) for a
×1, ×2, or ×4 phase differential. The count is incremented or
decremented according to the offset between the two phase signals.
Increment/Decrement Pulse Inputs
The phase-A signal is the UP pulse and the phase-B signal is the DOWN
pulse. The count is incremented or decremented by these pulses.
pulse. The count is incremented or decremented by these pulses.
Pulse + Direction Inputs
The phase-A signal is the pulse signal and the phase-B signal is the direction
signal. The count is incremented or decremented based on the ON/OFF sta-
tus of the phase-B signal.
signal. The count is incremented or decremented based on the ON/OFF sta-
tus of the phase-B signal.
■ Phase Differential Input Operation
Phase A Phase B
×1 multiplier
×2 multiplier
×4 multiplier
↑
L
Increment
Increment
Increment
H
↑
---
---
Increment
↓
H
---
Increment
Increment
L
↓
---
---
Increment
L
↑
---
---
Decrement
↑
H
---
Decrement
Decrement
H
↓
---
---
Decrement
↓
L
Decrement
Decrement
Decrement
0
Phase A
1
2
3
2
1
2
0
1
2
3
4
5
6
5
4
3
2
1
2
3
4
0
1 2 3 4 5 6 7 8 9 1011 12 1110 9 8 7 6 5 4 3 2
1
2 3 4 5 6 7 8
Phase B
×1 multiplier
×2 multiplier
×4 multiplier