Pulse Counter
Reversible Counter (with Calculation Function)
MODEL 472B
- ■ High speed counter, suitable for 120 kHz.
- ■ Usage of 15.2 mm and 7.6 mm LCD with two colors – red and green.
- ■ Additional out with anlog and BCD output possible.
- ■ Display scaling is widely applicable in term of pulse coefficiency and pulse division ratio.
- ■ Available with 10 kHz.（472A）
Standard Specifications
Model Designation
| 472B | - | □ | - | □ | - | □ | - | □ | - | □ |
| ① | ② | ③ | ④ | ⑤ |
①Power Supply
| Code | Power Source Voltage |
|---|---|
| A | AC 100 to 240 V |
| 9 | DC 24 V |
| C | DC 110 V |
②Sensor power
| Code | Specifications |
|---|---|
| 2 | DC 5 V ± 5% 160 mA |
| 3 | DC 12 V ± 5% 100 mA |
③Comparator output（AL3, AL4）
| Code | Output |
|---|---|
| X | null |
| 1 | with Photo MOS Relay |
④Analog 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 |
⑤BCD output
| Code | Specifications |
|---|---|
| X | null |
| DN | Open collector output (NPN) |
General Specifications
| Input signal | Line receiver 2 phases (A, B) Intended connection: Differential line driver (equivalent to AM26LS31). Duty ratio: 50% for both phases. |
|
|---|---|---|
| Counting system | Phase differential: Multiplication by 1, by 2, by 4, selectable by setting | |
| Counting speed | 120 kHz | |
| Display range | -999999 to 999999 | |
| Pulse coefficient (m) | 1×10-6 to 9999 | |
| Pulse division ratio (n) | 1/1, 1/10, 1/100, 1/1000, 1/10000 | |
| 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 | Count display, red or green, character height 15.2 mm Over range in red, character height 7.6 mm With zero suppress function |
|
| Display Cycle | Approx. 100 ms | |
| Decimal Point | 0, 0.0, 0.00, 0.000 | |
| 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 | DC 5 V / 160 mA, DC 12 V / 100 mA | |
| Comparator output | Option | AL3 and AL4 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 2 m cable. |
| Compensation for blackout | The integrated 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, DC 24 V, DC 110 V | |
| Power Consumption | AC 100 V … Approx. 12 VA AC 200 V … Approx. 17 VA DC 24 V … Approx. 270 mA DC 110 V … Approx. 60 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 operating section IP65, Rear case IP20, Terminal block section IP00 | |
| Mounting Method | Exclusive brackets | |
