212
Pulse I/O Board Section 8-2
Pulse Input Specifications
Pulse Output Specifications
Pulse Output Functions Pulse output functions are determined by the output method, as indicated
below.
Item Specifications
Number of pulse
inputs
2 inputs (Ports 1 and 2 = Pulses 1 to 2)
Signal names Encoder inputs A, encoder input B, pulse input Z
Input voltage Switched by means of connector pins (Can be specified separately for phases A, B, and Z.
12 V DC±10% 24 V DC±10%
Input current Phase A, B Phase Z Phase A, B Phase Z
5 mA typical 12 mA typical 5 mA typical 12 mA typical
ON voltage 10.2 V DC min. 20.4 V DC min.
OFF voltage 3.0 V DC min. 4.0 V DC min.
Min. response pulse
Encoder inputs A and B
Waveform of encoder inputs A and B
Input rise/fall time: 3
µsec. max.
50 kHz, pulse with duty factor of 50%
10 µs min. 10 µs min.
3 µs max. 3 µs max.
ON
50%
OFF
20 µs min.
Relationship between phases A and B when
phase differential input is used.
Phase A
T1, T2, T3, T4: 4.5 µs min.
At least 4.5 µs must be allowed between
Phase A and Phase B changes.
Pulse input Z
Pulse width must be 0.1 ms min.
0.1 ms min.
ON
50%
OFF
20 µs min.
Phase B
ON
50%
OFF
ON
OFF
T1
T2
T3
T4
Item Specifications
Fixed duty factor Variable
duty factor
Without trapezoidal
acceleration/
deceleration
Same
acceleration/
deceleration
rates
Separate
acceleration/
deceleration
rates
Instruction PULS(65)/
SPED(64)
PLS2(––) PULS(65)/
ACC(––)
PWM(––)
Output
frequency
10 Hz to 50 kHz
10 Hz to 20 kHz for
stepping motor
0 Hz to
50 KHz
100 Hz to
50 KHz
91.6 Hz,
1.5 KHz,
5.9 KHz
Output
frequency
pitch
1 or 10 Hz 10 Hz ---
Duty factor 50% fixed 1 to 99%
No. of output
pulses
1 to 16777215 ---
Acceleration/
Deceleration
rate
--- 10 Hz to 2 kHz
(every 4.08 ms)
---
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