MELSEC-A
3. SPECIFICATIONS
3 - 4
(2) Performance specifications of the AJ65BT-D62D
Item Specifications
Counting speed setting switch HIGH position LOW position
Number of channels 2 channels
Count
input
signal
Phase 1-phase input, 2-phase input
Signal level
(
A, B)
EIA Standard RS-422-A differential type line driver level
{equivalent to AM26LS31 (Japan Texas Instruments make)}
Counter
Counting speed
(max.)*
1-phase
input
400kPPS 10kPPS
2-phase
input
300kPPS 7kPPS
Counting range 24-bit binary, 0 to 16777215
Type UP/DOWN preset counter and ring counter functions
Minimum pulse width that
can be counted
Adjust rise/fall time of
input to 0.1µs or less.
Duty ratio: 50%
(1-phase input)
1.25
µs
1.25
µs
2.5µs
(2-phase input)
1.65
µs
1.65
µs
3.3µs
(1-phase input)
50
µs
50
µs
100µs
(2-phase input
71
µs
71
µs
142µs
Coinciden-
ce output
Comparison range 24-bit binary
Comparison result Set value < count value, set value = count value, set value > count value
External
input
Preset
5/12/24VDC, 2 to 5mA
Function start
Response time
OFF
ON 0.5ms or less
ON
OFF 3ms or less
External
output
Coincidence output 2A/1 common
Response time 0.1ms or less
CC-Link station type Remote device station
Number of stations occupied 4 stations
Connection cable Dedicated cable for CC-Link
Withstanding voltage 500VAC for 1 minute across all DC external terminals and grounding terminal.
Insulation resistance
10M
or more across all DC external terminals and grounding terminal using
a 500VDC insulation resistance tester.
Noise immunity
Measure using a noise simulator of noise voltage 500Vp-p, noise width 1µs
and noise frequency 25 to 60Hz.
Terminal block 27-pin terminal block (M3.5×7 screws)
Applicable cable size 0.75 to 2.00mm
Applicable crimping terminal RAV1.25-3, RAV2-3.5 (conforming to JIS C2805)
Module mounting screws
Screws of M4×0.7mm(0.03inch)×16mm(0.63inch) or larger
(tightening torque range: 0.78 to 1.18N･m)
DIN rail may also be used for mounting.
Applicable DIN rails TH35-7.5Fe, TH35-7.5Al, (conforming to JIS C2812)
External power supply
18 to 28.8VDC
Current consumption: 100mA (for 24VDC)
Permissible instantaneous power fail-
ure time
1ms
Weight 0.42kg(0.93lb)
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