Mitsubishi Electric MELSEC-A0J2H Series Handbook page 179

10
REPLACING THE SPECIAL FUNCTION MODULE
2) Performance specifications comparison between A0J2-D61S1 and QD62-H02
Item
I/O occupied points
Number of channels
Counting speed switch setting
Phase
Count input
Signal level
signal
( A,  B)
Counting
speed
(Maximum)
Counting
range
Counter
Type
Minimum
count pulse
width
(Input rise time
must be 5µs or
less.
Duty ratio is
50%.)
Maximum/ Comparison
minimum range
comparison
(CPU↔
Comparison
A0J2-
result
D61S1/
QD62-H02)
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 A0J2-D61S1 and QD62-H02)
Rise/fall time
t = 5µs
t = 500µs
A0J2-D61S1
64 points
(I/O assignment:
Special 64 points)
2 channels
–
1-phase input, 2-phase input
5VDC
12VDC
24VDC
1-phase
10KPPS
input
2-phase
7KPPS
input
24-bit unsigned binary
(0 to 16777215)
UP/DOWN Preset counter + Ring counter function
100μs
50μs 50μs
(1-phase input)
24-bit unsigned binary
Set value < Count value
Set value = Count value
Set value >Count value
12/24VDC 3/6mA
5VDC 5mA
DC12/24V 3/6mA
DC5V 5mA
–
Transistor
(open collector)
output
12/24VDC 0.5A
0.10A
0.65kg
1-phase input 2-phase input
10KPPS 7KPPS
500PPS 250PPS
: Compatible,
QD62-H02
16 points
(I/O assignment:
Intelligent 16 points)
10KPPS
2 to 5mA
1-phase
10KPPS
input
2-phase
7KPPS
input
32-bit signed binary
(-2147483648 to 2147483647)
142μs
71μs 71μs
(2-phase input)
32-bit signed binary
5/12/24VDC 2 to 5mA
–
5/12/24VDC 2 to 5mA
Transistor (sink type) output
2 points/channel
12/24VDC 0.5A/point, 2A/common
0.3A
0.11kg
t t
: Partially changed, × : Incompatible
Compat- Precautions for
ibility replacement
The number of I/O
points changes to 16.
Set "2 (counting speed
200kPPS)" in the intelligent
function module switch
setting.
Counting is performed using
10kPPS by setting "2
(counting speed 200kPPS)".
*1
At QD62-H02, the value is
handled as a 32-bit signed
binary, so the sequence
program must be changed.
At QD62-H02, external input
specifications are different.
Therefore, check the
external device
specifications.
The recalculation of 5VDC
internal current consumption
is required.
10
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