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