Difference between revisions of "Template:Webui services rs232 rs232 configuration general table"

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{| class="wikitable"
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<table class="nd-mantable">
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    <tr>
! style="width: 250px; border: 1px solid white; border-bottom: 2px solid #0054A6; background: white; color: #0054A6; text-align: left;" | FIELD NAME
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        <th>field name</th>
! style="width: 250px; border: 1px solid white; border-bottom: 2px solid #0054A6; background: white; color: #0054A6; text-align: left;" | VALUE
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      <th>value</th>
! style="width: 579px; border: 1px solid white; border-bottom: 2px solid #0054A6; background: white; color: #0054A6; text-align: left;" | DESCRIPTION
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      <th>description</th>
|-
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    </tr>
! style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Enabled
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    <tr>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | yes {{!}} no; Default: '''no'''
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      <td>Enabled</td>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | When checked, enables the RS232 service
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      <td>yes | no; Default: <b>no</b></td>
|-
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      <td>Enables the RS232 service</td>
! style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Baud rate
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    </tr>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | 300 {{!}} 1200 {{!}} 2400 {{!}} 4800 {{!}} 9600 {{!}} 19200 {{!}} 38400 {{!}} 57600 {{!}} 115200; Default: '''115200'''
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    <tr>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Sets the data rate for serial data transmission (in bits per second)
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    <td>Baud rate</td>
|-
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        <td>300 | 1200 | 2400 | 4800 | 9600 | 19200 | 38400 | 57600 | 115200; Default: <b>115200</b></td>
! style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Data bits
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        <td>Data rate for serial data transmission (in bits per second)</td>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | 5 {{!}} 6 {{!}} 7 {{!}} 8; Default: '''8'''
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    </tr>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | The number of data bits for each character
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    <tr>
|-
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    <td>Data bits</td>
! style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Parity
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        <td>5 | 6 | 7 | 8; Default: <b>8</b></td>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | None {{!}} Odd {{!}} Even; Default: '''None'''
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        <td>Number of data bits for each character</td>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | In serial transmission, parity is a method of detecting errors. An extra data bit is sent with each data character, arranged so that the number of 1 bits in each character, including the parity bit, is always odd or always even. If a byte is received with the wrong number of 1s, then it must have been corrupted. However, an even number of errors can pass the parity check. <br> '''None''' ('''N''') - no parity method is used <br> '''Odd''' ('''O''') - the parity bit is set so that the number of "logical ones (1s)" has to be odd <br> '''Even''' ('''E''') - the parity bit is set so that the number of "logical ones (1s)" has to be even
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    </tr>
|-
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    <tr>
! style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Stop bits
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    <td>Parity</td>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | 1 {{!}} 2; Default: '''1'''
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        <td>None | Odd | Even; Default: <b>None</b></td>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Stop bits sent at the end of every character allow the receiving signal hardware to detect the end of a character and to resynchronise with the character stream. Electronic devices usually use one stop bit. Two stop bits are required if slow electromechanical devices are used.
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        <td>In serial transmission, parity is a method of detecting errors. An extra data bit is sent with each data character, arranged so that the number of 1 bits in each character, including the parity bit, is always odd or always even. If a byte is received with the wrong number of 1s, then it must have been corrupted. However, an even number of errors can pass the parity check.
|-
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            <ul>
! style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Flow control
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              <li><b>None</b> (<b>N</b>) - no parity method is used</li>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | None {{!}} RTS/CTS {{!}} Xon/Xoff; Default: '''None'''
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              <li><b>Odd</b> (<b>O</b>) - the parity bit is set so that the number of "logical ones (1s)" has to be odd</li>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | In many circumstances a transmitter might be able to send data faster than the receiver is able to process it. To cope with this, serial lines often incorporate a "handshaking" method, usually distinguished between hardware and software handshaking. <br> '''RTS/CTS''' - hardware handshaking. RTS and CTS are turned OFF and ON from alternate ends to control data flow, for instance when a buffer is almost full <br> '''Xon/Xoff''' - software handshaking. The Xon and Xoff characters are sent by the receiver to the sender to control when the sender will send data, i.e., these characters go in the opposite direction to the data being sent. The circuit starts in the "sending allowed" state. When the receiver's buffers approach capacity, the receiver sends the Xoff character to tell the sender to stop sending data. Later, after the receiver has emptied its buffers, it sends an Xon character to tell the sender to resume transmission
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              <li><b>Even</b> (<b>E</b>) - the parity bit is set so that the number of "logical ones (1s)" has to be even</li>
|-
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            </ul>
! style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Serial type
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        </td>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | [[TRB142_RS232#Console|Console]] {{!}} [[TRB142_RS232#Over_IP|Over IP]] {{!}} [[TRB142_RS232#Modem|Modem]] {{!}} [[TRB142_RS232#Modbus_gateway|Modbus gateway]] {{!}} [[TRB142_RS232#NTRIP_client|NTRIP client]]; Default: '''Console'''
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    </tr>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Specifies the serial connection type.
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    <tr>
|-
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      <td>Stop bits</td>
! style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Echo
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      <td>1 | 2; Default: <b>1</b></td>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | yes {{!}} no; Default: '''no'''
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      <td>Stop bits sent at the end of every character allow the receiving signal hardware to detect the end of a character and to resynchronise with the character stream. Electronic devices usually use one stop bit. Two stop bits are required if slow electromechanical devices are used</td>
| style="border: 1px solid white; border-bottom: 2px solid #E8E8E8; text-align: left; vertical-align: top; background: white;" | Toggles RS232 echo ON or OFF. RS232 echo is a loopback test usually used to check whether the RS232 cable is working properly
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    </tr>
|-
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    <tr>
|}
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    <td>Flow control</td>
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        <td>None | RTS/CTS | Xon/Xoff; Default: <b>None</b></td>
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        <td>In many circumstances a transmitter might be able to send data faster than the receiver is able to process it. To cope with this, serial lines often incorporate a "handshaking" method, usually distinguished between hardware and software handshaking.
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            <ul>
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                <li><b>RTS/CTS</b> - hardware handshaking. RTS and CTS are turned OFF and ON from alternate ends to control data flow, for instance when a buffer is almost full</li>
 +
                <li><b>Xon/Xoff</b> - software handshaking. The Xon and Xoff characters are sent by the receiver to the sender to control when the sender will send data, i.e., these characters go in the opposite direction to the data being sent. The circuit starts in the "sending allowed" state. When the receiver's buffers approach capacity, the receiver sends the Xoff character to tell the sender to stop sending data. Later, after the receiver has emptied its buffers, it sends an Xon character to tell the sender to resume transmission
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            </ul>
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        </td>
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    </tr>
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    <tr>
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    <td>Serial type</td>
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        <td>[[TRB142_RS232#Console|Console]] | [[TRB142_RS232#Over_IP|Over IP]] | [[TRB142_RS232#Modem|Modem]] | [[TRB142_RS232#Modbus_gateway|Modbus gateway]] | [[TRB142_RS232#NTRIP_client|NTRIP client]]; Default: <b>Console</b></td>
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        <td>Serial connection type. More information on each serial type can be seen below or by clicking on a link in the value section</td>
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    </tr>
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    <tr>
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    <td>Echo</td>
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        <td>yes | no; Default: <b>no</b></td>
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        <td>Toggles RS232 echo ON or OFF. RS232 echo is a loopback test usually used to check whether the RS232 cable is working properly</td>
 +
    </tr>
 +
</table>

Latest revision as of 09:33, 18 February 2019

field name value description
Enabled yes | no; Default: no Enables the RS232 service
Baud rate 300 | 1200 | 2400 | 4800 | 9600 | 19200 | 38400 | 57600 | 115200; Default: 115200 Data rate for serial data transmission (in bits per second)
Data bits 5 | 6 | 7 | 8; Default: 8 Number of data bits for each character
Parity None | Odd | Even; Default: None In serial transmission, parity is a method of detecting errors. An extra data bit is sent with each data character, arranged so that the number of 1 bits in each character, including the parity bit, is always odd or always even. If a byte is received with the wrong number of 1s, then it must have been corrupted. However, an even number of errors can pass the parity check.
  • None (N) - no parity method is used
  • Odd (O) - the parity bit is set so that the number of "logical ones (1s)" has to be odd
  • Even (E) - the parity bit is set so that the number of "logical ones (1s)" has to be even
Stop bits 1 | 2; Default: 1 Stop bits sent at the end of every character allow the receiving signal hardware to detect the end of a character and to resynchronise with the character stream. Electronic devices usually use one stop bit. Two stop bits are required if slow electromechanical devices are used
Flow control None | RTS/CTS | Xon/Xoff; Default: None In many circumstances a transmitter might be able to send data faster than the receiver is able to process it. To cope with this, serial lines often incorporate a "handshaking" method, usually distinguished between hardware and software handshaking.
  • RTS/CTS - hardware handshaking. RTS and CTS are turned OFF and ON from alternate ends to control data flow, for instance when a buffer is almost full
  • Xon/Xoff - software handshaking. The Xon and Xoff characters are sent by the receiver to the sender to control when the sender will send data, i.e., these characters go in the opposite direction to the data being sent. The circuit starts in the "sending allowed" state. When the receiver's buffers approach capacity, the receiver sends the Xoff character to tell the sender to stop sending data. Later, after the receiver has emptied its buffers, it sends an Xon character to tell the sender to resume transmission
Serial type Console | Over IP | Modem | Modbus gateway | NTRIP client; Default: Console Serial connection type. More information on each serial type can be seen below or by clicking on a link in the value section
Echo yes | no; Default: no Toggles RS232 echo ON or OFF. RS232 echo is a loopback test usually used to check whether the RS232 cable is working properly