6 HIGH-SPEED COUNTER MODULE REPLACEMENT
6 - 4
6.2.1 Performance comparison
6.2 AD61
: Compatible, : Partial change required, ×: Incompatible
Item AD61 QD62-H01
Compat-
ibility
Precautions for replacement
Occupied I/O points
32 points
(I/O assignment: special 32
points)
16 points
(I/O assignment: intelligent 16
points)
*1
Number of channels 2 channels
Counting speed switch settings - 50KPPS
Set “2” at the intelligent
function module switch setting.
Performance specifications of 1 channels
Count input
signal
Phase 1-phase input, 2-phase input
Signal level
(A, B)
5VDC
12VDC
24VDC
2 to 5mA
Counter
Counting
speed (Max.)
1-phase input 50KPPS 1-phase input 50KPPS
*2
2-phase input 50KPPS
2-phase input 50KPPS
Counting
range
24-bit unsigned binary
(0 to 16,777,215)
32-bit signed binary
(-2147483648 to 2147483647)
On QD62-H01, as the value is
used with 32-bit signed binary
values, change of sequence
program is required.
Type UP/DOWN preset counter + ring counter function
Minimum
count pulse
width
(set input
rise time to
5µs or less.
Duty ratio:
50%)
Magnitude
comparison
between
CPU and
AD61/QD62
-H01
Comparison
range
24-bit unsigned binary
32-bit signed binary
Comparison
result
Set value < count value
Set value = count value
Set value > count value
External
input
Preset
12/24VDC, 3/6mA
5VDC, 5mA
5/12/24VDC, 2 to 5mA
On QD62-H01, as the external
input specifications differ,
confirm the external devices
specifications.
Count
disable
12/24VDC, 3/6mA
5VDC, 5mA
-
Function
start
-
5/12/24VDC, 2 to 5mA
External
output
Coincidence
output
Transistor
(open collector) output
12/24VDC, 0.5A
Transistor (sink type) output 2
points/channel
12/24VDC, 0.5A/point,
2A/common
Internal current consumption
(5VDC)
0.3A
0.3A
Weight 0.5kg 0.11kg
10 s 10 s
20 s
(1,2 phase input)
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