3 SPECIFICATIONS
3.2 Performance Specifications
25
3
Main functions
that can be
performed with
the combination
of main blocks
Pulse count
Count input
signal
Phase
1-phase input (1 multiple/2 multiples), 2-phase input (1 multiple/2 multiples/4
multiples), CW/CCW
Counting
speed
1 multiple
10kpps/100kpps/200kpps/ 500kpps/
1Mpps/2Mpps
10kpps/100kpps/200kpps
2 multiples
10kpps/100kpps/200kpps/500kpps/
1Mpps/2Mpps/4Mpps
4 multiples
10kpps/100kpps/200kpps/500kpps/
1Mpps/2Mpps/4Mpps/8Mpps
Counting range
Same as the counter timer block
Type
Addition, subtraction, linear counter mode, ring counter mode, addition mode, preset
counter function, latch counter function
Minimum count pulse width (duty
ratio: 50%)
1-phase input (1 multiple/2 multiples),
CW/CCW
1-phase input (1 multiple/2 multiples),
CW/CCW
2-phase input (1 multiple/2 multiples/4
multiples)
2-phase input (1 multiple/2 multiples/4
multiples)
Coincidence
detection
Comparison range
32-bit signed binary value, 32-bit unsigned binary value, 16-bit signed binary value,
16-bit unsigned binary value
Comparison method
Setting value < count value, setting value = count value, setting value > count value
Interrupt
Coincidence detection interrupt function
Cam switch
Number of steps
Up to 16 steps/1 block
Highly-accurate pulse output
The ON/OFF timing can be adjusted in increments of 25ns at a minimum using
trigger input as the starting point.
PWM output
Output frequency range
Max. 2MHz
Max. 200kHz
Duty ratio
Any value (Can be set in increments of 25ns at a minimum.)
Ratio setting
Ratio setting range
Number of output pulses = (1 to 2147483647)/(1 to 2147483647)
×
Number of input
pulses
Note that a value obtained by dividing (1 to 2147483647) by (1 to 2147483647)
should not exceed 1.
Pulse
measurement
Measurement item
Pulse width (ON width, OFF width, from a rising edge to the next rising edge, from a
falling edge to the next falling edge)
Measurement resolution
25ns
Electrical interface conversion
24VDC/5VDC/differential
Processing time of the main hardware logic
Logical operation: Min. 87.5ns, Coincidence output: Min. 137.5ns, Cam switch: Min.
262.5ns
Number of writes to a flash ROM
Up to 10000 times
Internal current consumption (5VDC)
0.66A
Applicable wire size
40-pin connector
0.088
to 0.3
(28 to 22 AWG) (When the A6CON1 or A6CON4 is used)
0.088
to 0.24
(28 to 24 AWG) (When the A6CON2 is used)
External wiring connector (sold separately)
A6CON1, A6CON2, A6CON4
Number of occupied I/O points
32 points (I/O assignment: Intelligent, 32 points)
Item
Specifications
Differential
DC
0.5μs
0.25μs 0.25μs
5μs
2.5μs
2.5μs
0.125μs
0.5μs
0.25μs
0.25μs
5μs
20μs
10μs
10μs
Summary of Contents for MELSEC-L Series LD40PD01
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