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10
REPLACING THE SPECIAL FUNCTION MODULE
10.2.3 High-speed counter module comparison
(1) A0J2-D61S1 and QD62/QD62-H02 comparison
(a) Performance specifications comparison
1) Performance specifications comparison between A0J2-D61S1 and QD62
Item
I/O Occupied points
Number of channels
Phase
Count input
Signal level
signal
( A, B)
Counting
speed
Counting range
Type
Counter
Minimum value
count pulse
width
(Input rise time
is 5µs or less
duty ratio is
50%)
Comparison
range
Maximum/
minimum
comparison
(CPU↔
Comparison
A0J2-D61S1/
result
QD62)
Preset
External input
Count disable
Function start
External
Coincidence
output
output
5VDC internal current consumption
Weight
*1
The counting speed is affected by the rise/fall time of the pulse. The appropriate counting speed is as shown below.
Note that the count may be incorrect when pulses with longer rise/fall time are counted.
(For the A0J2-D61S1)
A0J2-D61S1
64 points
(I/O assignment:
Special 64 points)
1 phase -input, 2-phase input
1-phase
10KPPS
200KPPS
input
2-phase
7KPPS
200KPPS
input
Binary format
(binary) 24bits
0 to 16777215
(Decimal notation)
UP/DOWN Preset counter + Ring counter function
5 s
100 s
2.5 s 2.5 s
50 s 50 s
(Min. phase differential
(P-phase input)
for 2-phase input: 1.25 s)
142 s
71 s 71 s
(2-phase input)
Binary format
(binary) 24bits
Set value<
Count value
Set value=
Count value
Set value>
Count value
12/24VDC 3/6 mA
5VDC 5mA
12/24VDC 3/6 mA
5VDC 5mA
–
Transistor
(Open collector)
Transistor (sink type) output 2 points/channel
output
12/24VDC 0.5A
0.10A
0.65kg
: Compatible,
QD62
16 points
(I/O assignment: Intelligent 16 points)
2 channels
5VDC
12VDC
2 to 5mA
24VDC
100KPPS
100KPPS
32bits signed binary
(-2147483648 to 2147483647)
10 s
5 s
5 s
50 s 50 s
(Min. phase differential
(Min. phase differential
for 2-phase input: 2.5 s)
for 2-phase input: 25 s)
32bits signed binary
Set value < Count value
Set value=Count value
Set value >Count value
5/12/24VDC 2 to 5mA
–
5/12/24VDC 2 to 5mA
12/24VDC 0.5 A/point, 2 A/common
0.30A
0.11kg
: Partially changed, × : Incompatible
Compat-
Precautions for
ibility
replacement
The number of I/O
×
points changes to 16.
10KPPS
*1
10KPPS
At QD62 the value is
handled as a signed
32bits binary, so the
sequence program
must be changed.
100 s
At QD62, external
input specifications
are different, so
confirm the external
device specifications.
5VDC internal current
×
consumption requires
recalculation.
10
- 14
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