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− | '''FMB''' devices have pulse counter capability out of the box from firmware [[FMB firmware errata#03.25.05.Rev.00|03.25.05.Rev.00]] and later. | + | '''FMB''' devices have pulse counter capability out of the box from firmware 03.28.07.Rev.03 and later. |
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| '''Use case:''' | | '''Use case:''' |
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| Pulse counter functionality enables the FMB devices to count digital impulses going to DIN1/DIN2. This means that 2 digital inputs of the FMB devices can now be used for precise fuel flow meter data reading. Impulse based fuel usage monitoring is much more accurate than a different type of fuel metering sensors and it makes the FMB devices a perfect solution for high fuel usage machines like cranes, construction vehicles, mining machines, agriculture equipment. | | Pulse counter functionality enables the FMB devices to count digital impulses going to DIN1/DIN2. This means that 2 digital inputs of the FMB devices can now be used for precise fuel flow meter data reading. Impulse based fuel usage monitoring is much more accurate than a different type of fuel metering sensors and it makes the FMB devices a perfect solution for high fuel usage machines like cranes, construction vehicles, mining machines, agriculture equipment. |
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− | '''How does it work?''' | + | '''Specification:''' |
− | | + | <table class="nd-othertables_2" style="width: 30%;"> |
− | When pulse counter I/O is enabled, then Pulse Counter DIN1/DIN2 will count every DIN1/DIN2 state change to HIGH and send the counted number with the next record. Pulse counter value is reset after sending the record.[[File:Pulse_counter.gif|center|]]Specification
| + | <tr> |
− | | + | <th style="width: 10%; text-align:center; vertical-align:middle;">Model</th> |
− | Maximum supported frequency is 50Hz.
| + | <th style="width: 10%; text-align:center; vertical-align:middle;">DIN1 Max frequency, Hz |
− | | + | </th> |
− | Maximum value 2147483647.
| + | <th style="width: 10%; text-align:center; vertical-align:middle;">DIN2 Max frequency, Hz |
− | | + | </th><th>Input Voltage threshold (DIN1)</th><th>Input Voltage threshold (DIN2)</th></tr> |
− | High level:
| + | <tr> |
− | | + | <td style="width: 10%; text-align:center; vertical-align:middle;"> |
− | Input Voltage threshold (DIN1) 7.5V
| + | [[FMB920]] |
− | | + | </td> |
− | Input Voltage threshold (DIN2) 2.5V
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">2000</td> |
− | | + | <td style="width: 10%; text-align:center; vertical-align:middle;">-</td> |
− | {| class="wikitable"
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">7.5V</td> |
− | |+
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">-</td> |
− | !
| + | <tr> |
− | !DIN1
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">[[FMB110]] |
− | Max frequency, Hz | |
− | !DIN2
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− | Max frequency, Hz | |
− | !Input Voltage threshold (DIN1)
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− | !Input Voltage threshold (DIN2)
| |
− | |-
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− | |[[FMB920]]
| |
− | |2000
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− | |<nowiki>-</nowiki>
| |
− | |7.5V
| |
− | |<nowiki>-</nowiki>
| |
− | |-
| |
− | |[[FMB110]]
| |
− | | |
| [[FMB120]] | | [[FMB120]] |
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| [[FMB204]] | | [[FMB204]] |
| + | </td> |
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">50</td> |
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">2000</td> |
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">7.5V</td> |
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">2.5V</td> |
| + | <td> |
| + | |
| | | |
− | |50
| + | </td><td> |
− | |2000
| |
− | |7.5V
| |
− | |2.5V
| |
− | |-
| |
− | |[[FMB125]]
| |
| | | |
| + | |
| + | </td></tr> |
| + | <tr> |
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">[[FMB125]] |
| [[FMM125]] | | [[FMM125]] |
| | | |
| [[FMC125]] | | [[FMC125]] |
− | |50
| + | </td> |
− | |<nowiki>-</nowiki>
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">50</td> |
− | |7.5V
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">-</td> |
− | | -
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">7.5V</td> |
− | |}
| + | <td style="width: 10%; text-align:center; vertical-align:middle;">-</td> |
− | <table class="nd-othertables_2" style="width: 30%;"> | + | <td></td><td></td></tr></table> |
− | <tr>
| + | |
− | <th style="width: 10%; text-align:center; vertical-align:middle;">Model</th> | + | '''How does it work?''' |
− | <th style="width: 10%; text-align:center; vertical-align:middle;">Max frequency (Hz)</th>
| |
− | <th style="width: 10%; text-align:center; vertical-align:middle;">Min Voltage threshold (V)</th>
| |
| | | |
− | </tr>
| + | When pulse counter I/O is enabled, then Pulse Counter DIN1/DIN2 will count every DIN1/DIN2 state change to HIGH and send the counted number with the next record. Pulse counter value is reset after sending the record.[[File:Pulse_counter.gif|center|]] |
− | <tr>
| |
− | <td style="width: 10%; text-align:center; vertical-align:middle;">DIN1</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">50</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">7.5</td>
| |
− | </tr>
| |
− | <tr>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">DIN2</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">30 000</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">2.5</td>
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− | </tr>
| |
− | <tr>
| |
− | <td style="width: 10%; text-align:center; vertical-align:middle;">DIN3</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">30 000</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">2.5</td>
| |
− | </tr>
| |
− | <tr>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">DIN4</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">30 000</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">2.5</td>
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− | </tr>
| |
− | <tr>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">AIN1</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">10 000</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">2.5</td>
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− | </tr>
| |
− | <tr>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">AIN2</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">10 000</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">2.5</td>
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− | </tr>
| |
− | <tr>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">AIN3</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">10 000</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">2.5</td>
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− | </tr>
| |
− | <tr>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">AIN4</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">10 000</td>
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− | <td style="width: 10%; text-align:center; vertical-align:middle;">2.5</td>
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− | </tr>
| |
− | </table>
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