Integrating Digital Panel meter (Analog input)
MODEL:461A
■ Compact 96 x 48 DIN Size, with the front cover
■ Switch display and output of flow rate and totalizer
■ Programmable from the front panel
■ Analog input 461A
Model Designation
| 461A |  |
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
1. Measuring input
| Code | Measuring range | Input impedance | Over load |
01 |
DC0~10mV | 1MΩ or more | DC250V |
02 |
DC0~100mV | ||
03 |
DC0~1V | ||
04 |
DC0~5V | ||
05 |
DC0~10V | ||
09 |
DC1~5V | Approx. 1MΩ | |
23 |
DC0~1mA | 100Ω | DC50mA |
29 |
DC4~20mA | Approx. 12.4Ω | DC150mA |
2. Power supply voltage
| Code | Power source voltage |
A |
AC90V~264V 50/60Hz |
9 |
DC24V±10% |
3.Power source for sensor
| Code | output voltage | output current |
Blank |
- |
|
3 |
DC12V±5% | 150mA |
5 |
DC24V±5% | 100mA |
4.Analog output
| Code | Analog output | Output impedance | Tolerable Load resistive | |
Blank |
- |
|||
03 |
Instantaneos value output |
DC0~1V | Approx. 0.1MΩ |
200Ω or more |
04 |
DC0~5V | 1kΩ or more | ||
05 |
DC0~10V | 2kΩ or more | ||
09 |
DC1~5V | 1kΩ or more | ||
29 |
DC4~20mA | 5MΩ or more |
0~600Ω | |
03T |
Totalized value output |
DC0~1V | Approx. 0.1MΩ |
200Ω or more |
04T |
DC0~5V | 1kΩ or more | ||
05T |
DC0~10V | 2kΩ or more | ||
09T |
DC1~5V | 1kΩ or more | ||
29T |
DC4~20mA | 5MΩ or more |
0~600Ω | |
5. BCD output,RS-232C,RS-485
| Code | Data output |
Blank
|
- |
BP
|
BCD output (TTL level positive logic) |
BN
|
BCD output (TTL level negative logic) |
DP
|
BCD output (transistor output,source type) |
DN |
BCD output (transistor output,sink type) |
E0 |
RS-232C |
E1 |
RS-485 |
6. Preset output
| Code | preset output |
Blank
|
No preset output |
R
|
Instaneous:
H・L Totalizing:With Change-over of H・HH or 2batch steps setting |
7. Display color
| Code | Color |
Blank
|
Red LED |
G
|
Green LED |
Basic Specifications
| Flow rate
measurement |
|
| Flow indication | 0~20000: Red or Green
LED, Character 15mm High, with
zero-suppress function. Programmable Decimal point from the front panel |
| Scaling | Full scale: 20~20000,
programmable from the front panel Offset: 0~19999, programmable from the front panel Over: flashes "000000" |
| Resolution | 1/20000 |
| Display cycle | Selectable from the front key. 3.3 time/sec, 1 time/sec., 0.2 time/sec. |
| Accuracy | ±0.2%of SPAN at23℃±5℃ 45～75%RH |
| Temperature drift | 200ppm / ℃ |
| Input method | Single ended, floating |
| A/D conversion | V-F conversion method |
| Flow totalize measurement | |
| Flow indication | 0~999999: Red or
Green LED, Character 15mm High, with
zero-suppress function. Programmable decimal point from the front panel. |
| Over-range indication | Flashes and counts from "0" when exceeding, with enable/disable function. |
| Integration constant | Values integrated in
1 hour at 100% input, programmable
from the front key. 20～99999(180s/1p～36ms/1p) |
| Primary integrated value | from 0 to 999999, programmable from the front key |
| Accuracy | ±(0.2%+1digit) of
rated value Rated value: theoretical value when input 100% continuously. |
| Display cycle | approx. 100ms |
| Common
Specifications |
|
| Cut off | 0 to 10%: Programmable from the front key. |
| Latch / Pose input | Latch: hold display
of instantaneous and integrating
flow rate, and data output (except of Simultaneous pulse output). Accumulated integrated count will be operated. Pose: hold display of instantaneous and integrating flow rate, and data output. Accumulated integrated count will be temporarily stopped. Non-voltage contact or open collector (NPN) DC5V 10mA |
| Reset | reset to 0 or primary setting value |
| Noise filter | 50dB at normal mode 110dB at common mode 1000V against the power line noises |
| Withstanding Voltage | Input terminals -
Case : AC2100V each for 1 min. Power supply terminals - Case : AC1500V each for 1 min. Power supply terminals - Input and Output terminals : AC1500V each for 1min. Input terminals - Output terminals : AC500V each for 1 min. |
| Insulation Resistance | DC500V 100MΩor more. |
| Power Supply | AC 90 to 264V (50/60Hz), DC24V±10% |
| Power Consumption | Approx. 16VA at AC power supply, 300mA at DC power supply |
| Operating Temperature | 0 to 50℃ |
| Storage Temperature | -20 to 70℃ |
| Weight | Approx. 500g |
Operation Manual