Advertisement
3 SPECIFICATIONS AND FUNCTIONS
Signal name
Pulse output
(CW/PULSE/A phase)
Pulse sign
(CCW/SIGN/B phase)
The table below shows the rising/falling edge time and duty ratio when the QD75P
Deviation counter clear
(CLEAR)
: Pulse rising/falling edge time when the QD75P
... When ambient temperature is room temperature.
Load voltage (V)
Cable length (m)
Load
Pulse
tr
current
speed
(Rising
(mA)
(kpps)
edge)
200
2.33
100
2.42
2
10
2.44
200
1.00
100
1.01
5
10
1.00
200
0.27
20
100
0.29
10
0.30
200
0.19
50
100
0.19
10
0.18
The time for H/L width of differential output waveform with the QD75D
Pulse speed
1Mpps
500kpps
Output specifications
Rated load
Working load
voltage
voltage range
Differential driver equivalent to Am26C31 (For QD75D
Select the CW/CCW type, PULSE/SIGN type and A phase/B phase type using the parameter (
output mode) according to the drive unit specifications.
The relation of the pulse output with the "
selection" is shown below:
Pr.5
Pulse
output mode
Forward run
CW
CCW
PULSE
SIGN
High
A
B
ON
OFF
tr
5 to 24VDC
4.75 to 30VDC
5 to 24VDC
4.75 to 30VDC
is used (Unit for "tr" and "tf": µs, unit for "Duty": %)
26.4
1
tf
tr
(Falling
Duty
(Rising
edge)
edge)
0.08
6.6
2.20
0.09
34.7
4.44
0.09
48.7
4.52
0.09
39.8
1.77
0.09
45.3
1.76
0.10
49.6
1.72
0.10
50.1
0.44
0.10
49.8
0.48
0.10
49.9
0.48
0.11
50.5
0.24
0.11
50.4
0.24
0.12
50.0
0.22
H width
410ns
936ns
Max. load
Max. voltage
current/rush
drop at ON
current
)
Pr.5
Pulse output mode" and "
Pr.23
Output signal logic selection (bit 0)
Positive logic
Reverse run
Low
tf
50mA/1 point/
200mA 10ms or
0.5VDC (TYP)
less
0.1A/1 point/0.4A
1VDC (TYP)
10ms or less
2.5VDC (MAX)
2
tf
tr
(Falling
Duty
(Rising
edge)
edge)
0.08
14.6
0.57
0.10
12.6
0.57
0.10
47.7
0.60
0.11
24.5
0.32
0.10
40.3
0.31
0.10
49.2
0.33
0.11
48.0
0.15
0.11
49.1
0.15
0.12
49.9
0.17
0.12
50.6
0.15
0.12
50.4
0.14
0.13
50.1
0.14
. (Cable length: 2m, Ambient temperature: room temperature)
L width
456ns
1µs
3 - 18
MELSEC-Q
Leakage current
at OFF
Pr.23
Output signal logic
Negative logic
Forward run
Low
is used.
0.1mA or less
0.1mA or less
4.75
1
tf
tr
(Falling
Duty
(Rising
edge)
edge)
0.07
44.8
0.95
0.07
47.5
1.01
0.07
49.7
1.04
0.07
48.4
0.45
0.07
49.2
0.45
0.08
49.9
0.49
0.08
50.7
0.15
0.08
50.4
0.18
0.08
50.1
0.18
0.10
51.8
0.14
0.10
50.7
0.15
0.10
50.1
0.15
Response time
Pr.5
Pulse
Reverse run
High
—
2ms or less
(resistance load)
2
tf
(Falling
Duty
edge)
0.07
39.0
0.08
45.3
0.08
49.5
0.08
45.8
0.08
48.7
0.08
49.8
0.08
51.3
0.08
50.4
0.08
49.9
0.11
51.7
0.10
50.8
0.12
50.1
Advertisement
Troubleshooting
