# E Commute

<table data-header-hidden><thead><tr><th width="160.20001220703125"></th><th width="209.79998779296875"></th><th width="399.5999755859375"></th></tr></thead><tbody><tr><td><strong>No.</strong></td><td><strong>Name</strong></td><td><strong>Description</strong></td></tr><tr><td>E04</td><td>Modbus ID</td><td><p>Set up Modbus ID location, default 1. </p><p><mark style="color:purple;">(Only applicable to Model FP-AS310R)</mark></p></td></tr><tr><td>E05</td><td>Baud</td><td>Sets the Modbus communication baud rate for the flow meter. The Master and Slave must use the same baud rate for communication. Default: Off.<br><mark style="color:purple;">(Only applicable to Model FP-AS310R)</mark></td></tr><tr><td>E15</td><td>Byte format</td><td><p>Please refer to <a href="https://app.gitbook.com/o/-LiMHt0Zo8lvM4X9uP1f/s/-M7fZsO11LItbPHrVN6W/communication/rs485">RS485 and Modbus RTU Setting</a> for more information. </p><p><mark style="color:purple;">(Only applicable to Model FP-AS310R)</mark></p></td></tr><tr><td>E16</td><td>Bit order</td><td><p>Please refer to <a href="https://app.gitbook.com/o/-LiMHt0Zo8lvM4X9uP1f/s/-M7fZsO11LItbPHrVN6W/communication/rs485">RS485 and Modbus RTU Setting</a> for more information. </p><p><mark style="color:purple;">(Only applicable to Model FP-AS310R)</mark></p></td></tr><tr><td>E17</td><td>Endianness</td><td><p>Sets the <strong>byte order</strong> for multi-byte data during RX (flow meter response) transmission. Options: <strong>Big Endian</strong>, <strong>Little Endian</strong>, <strong>Register Swap</strong>, or <strong>Byte &#x26; Register Swap</strong>.<br>Default: <strong>Big Endian</strong>.</p><p><mark style="color:purple;">(Only applicable to Model FP-AS310R)</mark></p></td></tr></tbody></table>

## E01 NC/NO **(Normally Closed or Normally Open)**

Under normal conditions(when the oct condition does not meet). NPN should be closely (connected) or open (disconnected). The default is open. <mark style="color:orange;">(Applicable to Model FP-AS310A)</mark>

| Options      | RS-485 Numbers | Remarks |
| ------------ | -------------- | ------- |
| Normal Close | 0              | Default |
| Normal Open  | 1              |         |

After selecting a command, confirm whether to **Save** or **Not Save**.。

## E02 **Output Control Terminal Definition**

There are options below are options to define NPN output:
\
OFF,   Alarm A,   Alarm A+B,   Alarm A+B+C,   flow volume alarm(adjusted by D04 D05 D06),
\
cumulation alarm(adjusted by D08 D09 D10), paddle wheel PulseV2 output( adjusted by E03, please refer to the OCT output for instructions).&#x20;

Default OFF <mark style="color:orange;">(Applicable to Model FP-AS310A)</mark>

| Options   | RS-485 Numbers | Remarks |
| --------- | -------------- | ------- |
| Alarm b   | 1              |         |
| Pulse 2.0 | 5              |         |
| Off       | 6              | Default |

After selecting a command, confirm whether to **Save** or **Not Save**.

## E03 Pulse Width &#x20;

Defines the pulse width when **E02** is set to PulseV2.\
Selectable values: 1ms, 10ms, 50ms, 100ms。 Default: 1 ms. <mark style="color:orange;">(Applicable to Model FP-AS310A)</mark>

| Options | RS-485 Numbers | Remarks |
| ------- | -------------- | ------- |
| 1 ms    | 1              | Default |
| 10 ms   | 2              |         |
| 50 ms   | 3              |         |
| 100 ms  | 4              |         |

After selecting a command, confirm whether to **Save** or **Not Save**.

## E04 Modbus ID&#x20;

Configures the transmission protocol for Modbus ID. Default: 1.<mark style="color:purple;">(Applicable to Model FP-AS310R)</mark>

| Parameter Input Range | Values |
| --------------------- | ------ |
| Data Type             | Int    |
| Default               | 1      |
| Minimum               | 1      |
| Maximum               | 255    |

## E05 Baud

Defines the Modbus communication baud rate. Options: **9600**, **19200**, **38400**.&#x20;

Default: Disabled. <mark style="color:purple;">(Applicable to Model FP-AS310R)</mark>

<table><thead><tr><th>Options</th><th width="262">RS-485 Numbers</th><th>Remarks</th></tr></thead><tbody><tr><td>9600</td><td>0</td><td></td></tr><tr><td>19200</td><td>1</td><td></td></tr><tr><td>38400</td><td>2</td><td></td></tr><tr><td>OFF</td><td>4</td><td>Default</td></tr></tbody></table>

<mark style="color:orange;">The baud rate cannot be modified via RS485.</mark>

After selecting a command, confirm whether to **Save** or **Not Save**.

## E06 Iout Definition

Defines the data output via analogue signal. Options: **Off**, **Flow**, **Velocity**, or **Cumulative Flow**. The unit corresponds to settings in the B category. Default: Off. <mark style="color:orange;">(Applicable to Model FP-AS310A)</mark>

| Options  | RS-485 Numbers | Remarks |
| -------- | -------------- | ------- |
| Flowrate | 0              |         |
| OFF      | 3              | Default |

After selecting a command, confirm whether to **Save** or **Not Save**.

## E07 4mA Value&#x20;

Sets the value corresponding to 4mA.&#x20;
Positive and negative values are accepted, but this value must be less than the 20mA Value. Default: 0  <mark style="color:orange;">(Applicable to Model FP-AS310A)</mark>

| Parameter Input Range | Values  |
| --------------------- | ------- |
| Default               | 0       |
| Minimum               | -100000 |
| Maximum               | 100000  |

## E11 4mA Output Adjustment in microAmp

Allows fine-tuning of the  4mA output value, in units of microamps (uA). Adjustments immediately affect output current for real-time verification. <mark style="color:orange;">(Applicable to Model FP-AS310A)</mark>

* Positive values increase the output.  Negative values decrease the output.

| Parameter Input Range | Values |
| --------------------- | ------ |
| Default               | 0      |
| Minimum               | -2000  |
| Maximum               | 2000   |

## E12 20mA Output Adjustment in microAmp

Allows fine-tuning of the 20 mA output value, in units of microamps (uA). Adjustments immediately affect output current for real-time verification. <mark style="color:orange;">(Applicable to Model FP-AS310A)</mark>

* Positive values increase the output. Negative values decrease the output.

| Parameter Input Range | Values |
| --------------------- | ------ |
| Default               | 0      |
| Minimum               | -2000  |
| Maximum               | 2000   |

## E14 PulseV2 Unit&#x20;

Define how much flow volume to output a pulse, the unit is determined by B01.

Default 0.001 ms. <mark style="color:orange;">(Applicable to Model FP-AS310A)</mark>

| Options    | RS-485 Numbers | Remarks |
| ---------- | -------------- | ------- |
| 0.001 unit | 0              | Default |
| 0.002 unit | 1              |         |
| 0.003 unit | 2              |         |
| 0.005 unit | 3              |         |
| 0.007 unit | 4              |         |
| 0.01 unit  | 5              |         |
| 0.02 unit  | 6              |         |
| 0.03 unit  | 7              |         |
| 0.05 unit  | 8              |         |
| 0.07 unit  | 9              |         |
| 0.1 unit   | 10             |         |
| 0.2 unit   | 11             |         |
| 0.3 unit   | 12             |         |
| 0.5 unit   | 13             |         |
| 0.7 unit   | 14             |         |
| 1 unit     | 15             |         |

After selecting a command, confirm whether to **Save** or **Not Save**.

## E15 Byte Format&#x20;

[Refer to RS485 and Modbus RTU settings for details.](/qr/fp-as310-english-v5/communication/rs485-setup.md)\ <mark style="color:orange;">This parameter cannot be modified via RS485.</mark> <mark style="color:purple;">(Applicable to Model FP-AS310R)0R)</mark>

<table><thead><tr><th>Options</th><th>Remarks</th><th data-hidden>RS-485 對應數字</th></tr></thead><tbody><tr><td>N81</td><td>Default</td><td>0</td></tr><tr><td>N81</td><td></td><td>1</td></tr><tr><td>O81</td><td></td><td>2</td></tr><tr><td>E81</td><td></td><td>3</td></tr></tbody></table>

After selecting a command, confirm whether to **Save** or **Not Save**.

## E16 Bit Order&#x20;

[Refer to RS485 and Modbus RTU settings for details.](/qr/fp-as310-english-v5/communication/rs485-setup.md)\ <mark style="color:orange;">This parameter cannot be modified via RS485.</mark> <mark style="color:purple;">(Applicable to Model FP-AS310R)</mark>

<table><thead><tr><th>Options</th><th>Remarks</th><th data-hidden>RS-485 對應數字</th></tr></thead><tbody><tr><td>LSB first</td><td>Default</td><td>0</td></tr><tr><td>MSB first</td><td></td><td>1</td></tr></tbody></table>

After selecting a command, confirm whether to **Save** or **Not Save**.

## E17 Endianness

[Refer to RS485 and Modbus RTU settings for details.](/qr/fp-as310-english-v5/communication/rs485-setup.md)  <mark style="color:purple;">(Applicable to Model FP-AS310R)</mark>

| Options           | RS-485 Numbers | Remarks |
| ----------------- | -------------- | ------- |
| Big Endian        | 0              | Default |
| Little Endian     | 1              |         |
| Mid Big Endian    | 2              |         |
| Mid Little Endian | 3              |         |

After selecting a command, confirm whether to **Save** or **Not Save**.


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