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Serie F de MELSEC

Contador de alta velocidad

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Contenido

Using high speed counters, high speed signals from encoder ans sensors can be counted.
Because FX PLC has built-in high performance high speed counters, high speed control is possible with a simple program. A high speed counter block with hardware comparator is also available.

High speed counter block/adapter

Modelo
(Number of channels)		 Tipo Highest response
frecuencia		 Hardware comparison
output function		 2-phase counter
edge count function		 Applicable FX PLC
FX
3S		 FX
3G		 FX
3U		 FX
3GC		 FX
3UC
FX2N-1HC
(1 canal)
fx2n-1hc		 monofásico
1-count		 Máx. de 50 kHz ○ - × × ○
Máx.
8 unidades		 × *2*3
○
Máx.
8 unidades
monofásico
2-count		 Máx. de 50 kHz
2-phase
2-count		 1 edge count:
Máx. de 50 kHz
2 edge count:
Máx. de 25 kHz
4 edge count:
Máx. de 12,5 kHz		 ○
FX3U-2HC
(2 canales)
fx3u-2hc		 monofásico
1-count		 Máx. de 200 kHz ○ - × × ○
Máx.
8 unidades		 × *2
○
Máx.
4 unidades
monofásico
2-count		 Máx. de 200 kHz
2-phase
2-count		 1 edge count:
Máx. de 200 kHz
2 edge count:
Máx. de 100 kHz
4 edge count:
Máx. de 50 kHz		 ○
FX2NC-1HC
(1 canal)
fx2nc-1hc		 monofásico
1-count		 Máx. de 50 kHz ○ - × × × × *3
○
Máx.
8 unidades
monofásico
2-count		 Máx. de 50 kHz
2-phase
2-count		 1 edge count:
Máx. de 50 kHz
2 edge count:
Máx. de 25 kHz
4 edge count:
Máx. de 12,5 kHz		 ○
FX3U-4HSX-ADP
(4 canales)
fx3u-4hsx-adp		 monofásico
1-count		 Máx. de 200 kHz × ○ × × *1
○
Máx.
2 unidades		 × ×
monofásico
2-count		 Máx. de 200 kHz
2-phase
2-count		 1 edge count:
Máx. de 100 kHz
4 edge count:
Máx. de 100 kHz
  • *1When used together with analog or communication adapters, function expansion board is required.
  • *2When connecting to FX3UC, FX2NC-CNV-IF or FX3UC-1PS-5V is required.
  • *3FX3UC-32MT-LT(-2): 7 units. FX3UC-**MT/D, FX3UC-**MT/DSS, FX3UC-16MR/D(S)-T: 8 units.

Built-in high speed counter function (high speed input adapter function)

FX3S Series PLC

Tipo Counter No.
Highest
respuesta
frecuencia*		 Max. response
frequency when
high speed processing
instruction is used*		 Supported high speed processing instructions Motores spindle SJ
velocidad
contador
move		 2 phase
contador
multi-
count
función		 FX3U-4HSX-ADP
max. response
frecuencia
(FX3U only)
When
high speed
comparación
SET/RESET
is used		 When
high speed
band
comparación
HSZ
is used		 Motores spindle SJ
velocidad
comparación
SET		 Motores spindle SJ
velocidad
comparación
RESTABLECER		 Motores spindle SJ
velocidad
band
comparación		 Contador
interrupción		 Motores spindle SJ
velocidad
table
comparación
1-
fase
1-
count		 C235,
C236,
C241
Máx. 2
pts:
Máx. de 60 kHz		 overall frequency
60 kHz		 ○ ○ ○ × × × - ×
C237 to C240,
C242 to C245
Máx. 4
pts:
Máx. de 10 kHz
1-
fase
2-
count		 C246
Max. 1
pts:
Máx. de 60 kHz
C247,
C248,
C248(OP)
C249,
C250
Máx. 2
pts:
Máx. de 10 kHz
2-
fase
2-
count		 C251
Max. 1
pts:
Máx. de 30 kHz		 ×
C252,
C253,
C253(OP)
C254,
C255
Máx. 2
pts:
Máx. de 5 kHz
  • *Regarding high speed counter reponse frequency, the overall frequency is limited. For details, please refer to the programming manual.

FX3G, FX3GC Series PLC

Tipo Counter No.
Highest
respuesta
frecuencia*		 Max. response
frequency when
high speed processing
instruction is used*		 Supported high speed processing instructions Motores spindle SJ
velocidad
contador
move		 2 phase
contador
multi-
count
función		 FX3U-4HSX-ADP
max. response
frecuencia
(FX3U only)
When
high speed
comparación
SET/RESET
is used		 When
high speed
band
comparación
HSZ
is used		 Motores spindle SJ
velocidad
comparación
SET		 Motores spindle SJ
velocidad
comparación
RESTABLECER		 Motores spindle SJ
velocidad
band
comparación		 Contador
interrupción		 Motores spindle SJ
velocidad
table
comparación
1-
fase
1-
count		 C235,
C236,
C238,
C239,
C241
Máx. 4
pts:
Máx. de 60 kHz		 overall frequency
60 kHz		 ○ ○ ○ × × × - ×
C237,
C240,
C242 to C245
Máx. 2
pts:
Máx. de 10 kHz
1-
fase
2-
count		 C246,
C248(OP)
Máx. 2
pts:
Máx. de 60 kHz
C247 to C250
Máx. 2
pts:
Máx. de 10 kHz
2-
fase
2-
count		 C251,
C253(OP)
Máx. 2
pts:
Máx. de 30 kHz		 ×
C252 to C255,
C254(OP)
Máx. 2
pts:
Máx. de 5 kHz
  • *Regarding high speed counter reponse frequency, the overall frequency is limited. For details, please refer to the programming manual.

FX3U, FX3UC Series PLC

Tipo Counter No.
Highest
respuesta
frecuencia*		 Max. response
frequency when
high speed processing
instruction is used*		 Supported high speed processing instructions Motores spindle SJ
velocidad
contador
move		 2 phase
contador
multi-
count
función		 FX3U-4HSX-ADP
max. response
frecuencia
(FX3U only)
When
high speed
comparación
SET/RESET
is used		 When
high speed
band
comparación
HSZ
is used		 Motores spindle SJ
velocidad
comparación
SET		 Motores spindle SJ
velocidad
comparación
RESTABLECER		 Motores spindle SJ
velocidad
band
comparación		 Contador
interrupción		 Motores spindle SJ
velocidad
table
comparación
1-
fase
1-
count		 C235 to C240
Máx. 6
pts:
Máx. de 100 kHz		 40 kHz 40-
(Number
of times of
use of instruction)		 ○ ○ ○ ○ ○ ○ - 200 kHz
C244(OP),
C245(OP)
Máx. 2
pts:
Máx. de 10 kHz		 10 kHz 200 kHz
C241 to C245
Max. 3 pts：
Máx. de 40 kHz		 40 kHz -
1-
fase
2-
count		 C246,
C248(OP)
Máx. 2
pts:
Máx. de 100 kHz		 40 kHz 200 kHz
C247 to C250
Máx. 2
pts:
Máx. de 40 kHz		 40 kHz -
2-
fase
2-
count		 C251,
C253
Máx. 2
pts:
Máx. de 50 kHz
(1 edge count, 4 edge count)		 1 edge count 40 kHz ○ 100 kHz
4 edge count 10 kHz (40-
Número
of times of
use of
instruction)÷4
C252,
C253(OP),
C254,
C255
Máx. 2
pts:
Máx. de 40 kHz		 1 edge count 40 kHz 40-
(Number
of times of use of instruction)		 -
4 edge count 10 kHz (40-
Número
of times of
use of
instruction)÷4
  • *Regarding high speed counter reponse frequency, the overall frequency is limited. For details, please refer to the programming manual.

Variety of functions

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