Mitsubishi Electric MELSEC L Series Manual page 189

6
HIGH-SPEED COUNTER MODULE REPLACEMENT
(2) Comparison between A1SD61 and LCPU (built-in I/O function)
Item
Number of occupied I/O points
Number of channels
Counter speed switch setting
Phase
Count
Signal level
input signal
(A, B)
Counting speed
(maximum)
Counting range
Type
Minimum count pulse width, duty ratio: 50%
Counter
Minimum
count pulse
width
Comparison
range
Magnitude
comparison
between CPU
module and
Comparison
A1SD61/
result
LCPU (built-in
I/O function)
Preset
Function start
External input
External
command
signal
Coincidence
output
External
output
Limit switch
output
Internal current consumption
(5VDC)
Weight
* 1 Programs are incompatible and need to be created.
A1SD61
32 points
(I/O assignment: special 32 points)
2 channels
50KPPS 10KPPS
1-phase input, 2-phase input
5VDC
12VDC
24VDC
1-phase
50KPPS 10KPPS
input
2-phase
50KPPS 7KPPS
input
32-bit signed binary (-2147483648 to 2147483647)
UP/DOWN preset counter + ring counter function
20
10 10
(Unit : s)
(1- and 2-phase input)
Set input rise time to 5µs or less.
32-bit signed binary
a contact: Dog ON address  Count
value  Dog OFF address
b contact: Dog OFF address  Count
value  Dog ON address
5/12/24VDC, 2 to 5mA
–
–
Transistor
(open collector) output
12/24VDC, 0.1A/point, 0.8A/common
0.35A
0.27kg
: Compatible,
LCPU (built-in I/O function)
16 points
(I/O assignment: intelligent 16
points)
200K/100K/50K/10KPPS
}
2 to 5mA
200K/100K/50K/
1-phase input
10KPPS
200K/100K/50K/
2-phase input
10KPPS
1-phase: 5µs
2-phase: 10µs
Set value < count value
Set value = count value
Set value > count value
–
24VDC, 4.1mA
Transistor
(open collector) output
output 2 points/channel
5 to 24VDC, 0.1A/point
–
–
–
: Partial change required, ×: Incompatible
Compati-
Precautions for replacement
bility
*1
Set the counter speed in
parameter.
–
Since the external input
specifications differ, check the
specifications of an external
device.
Output currents differ.
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