TSURUGA MODEL 472A

Reversible Counter (with Calculation Function)

• ■ Wide range application fields such as position measurement, level monitoring, flow rate measurement etc.
• ■ 15.2 mm and 7.6 mm LED adoption. Two colors display available: Red and Green.
• ■ 2 inputs calculation function are available. Selection is possible from A, B, A+B, A-B
• ■ Analog and BCD output can be added later.
• ■ Available high speed 120 kHz type（472B）
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• Model Designation

• 472A

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  ①

  ②

  ③

  ④

  ⑤

  ⑥

  ①Input signal

  Code	Specifications
  1	NPN open collector 2 input
  2	Voltage pulse 2 input

  ②Power supply

  Code	Power Source Voltage
  A	AC 100 to 240 V
  9	DC 24 V
  C	DC 110 V

  ③Sensor power supply

  Code	Specifications
  3	DC 12 V ± 5%　 100 mA
  5	DC 24 V ± 5% 60 mA

  ④Mounting, Sensor

  Code	Specifications
  X	null (provided with open collector AL1, AL2)
  1	Photo MOS relay 2 points expanded (AL3, AL4)

  ⑤Analog output

  Code	Specifications
  X	null
  04	DC 0 to 5 V / More than 1 kΩ
  05	DC 0 to 10 V / More than 1 kΩ
  09	DC 1 to 5 V / More than 1 kΩ
  29	DC 4 to 20 mA / Less than 510 Ω

  ⑥BCD output

  Code	Specifications
  X	null
  DN	Open collector output (NPN)

  General Specifications

  Input signal	472A-1	For 472A-1 (no voltage contact or open collector NPN): Residual voltage 3V or less Contact capacity 12V 10mA (In case of relay contact, pay attention to the erroneous count due to chattering.)
  	472A-2	For 472A-2 (voltage pulse): Input resistance approx. 24 kΩ Threshold value “H” = 4.5 to 30 V “L” = 0 to 2 V
  Counting system	Standard	A: Count value corresponding to IN-A B: Count value corresponding to IN-B A+B: Addition of A and B A-B: Reduction between A and B
  	Phase Differential	Count up when IN-A is advanced from IN-B by 90° Count down when IN-A is lag from IN-B by 90°
  	Command Input	Count up or down the IN-A input pulse by the command of IN-B ON/OFF.
  	Batch-1 & Batch-2	Selectable when provided with comparator output AL3, AL4.
  Counting speed		10 Hz / 100 Hz / 1 kHz / 10 kHz, switchable by setting
  Display range		Both Display-1 and display-2: -999999 to 999999 Display for number of times of over, for both display-1 and display-2: -99 to 99
  Pulse coefficient　(m)		1×10-6 to 9999
  Pulse division ratio　(n)		Number of pulse per rotation 1/1 to 1/1000
  Display value　(d)		(d)Display value　＝(p)number of pulse ×(m)Pulse coefficient　×(n)Pulse division ratio
  Display accuracy		±0 digit at pulse coefficient 1 and pulse division ratio 1
  Display		Display-1 side (lower 6 digits): 7 segments display, red/green, character height 15.2 mm Display-1 side (upper 2 digits), Display-2 side: 7 segments display, red, character height 7.6 mm With zero suppress function
  Display cycle		Approx. 100 msec.
  Decimal point		Decimal option selectable from 0, 0.0, 0.00 or 0.000 (not external controllable)
  Key protection		Function which makes inable to change of setting contents.
  Initialization function		Returns to factory shipment setting.
  Control input	Pause / Latch	Pause – Counting is prohibited Latch – Counting is continued, display is held
  	Reset	L level input or no voltage contact input
  Sensor power supply		DC 12 V ± 5% 100 mA or DC 24 V ± 5% 60 mA
  Comparator output	Standard	AL1 to 2 open collector (NPN), Contact capacity DC 30 V 30 mA
  	Option	AL3 to 4 photo MOS relay, Contact capacity AC / DC 150 V 80 mA
  Analog output	Option	0 to 5 V, 0 to 10 V, 1 to 5 V, 4 to 20 mA
  BCD output	Option	6 digits 　Open collector output Output capacity: DC 30 V, 10 mA with a cable (2 m).
  Compensation for blackout		The totalized value is memorized in non-volatile memory and retained.　No count is made during the blackout. The data retaining duration is about 10 years.
  Power supply		AC 100 to 240 V 50/60 Hz, DC 24 V, DC 110 V
  Power consumption		AC 100 V … Approx. 11 VA AC 200 V … Approx. 15 VA DC 24 V … Approx. 250 mA DC 110 V … Approx. 50 mA
  Operating temperature		0 to 50°C
  External dimensions		96(W) × 48(H) × 133.3(D) mm
  Weight		Approx. 300 g
  Protection degree		Front panel IP65, Rear case IP20, Terminal block section IP00
  Mounting method		Depends on exclusive bracket.