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| − | <h1>Smart Stuff </h1> | + | <h<nowiki><h1>P1 Modbus Dongle</h1></nowiki> |
| − | <p>The Modbus P1 Dongle is a device that enables communication between your TeltoCharge EV charging station and a smart meter using the Modbus RS-485 protocol. This setup is essential for accurately monitoring and controlling the energy usage during EV charging sessions.</p>
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| − | * <p>Accurate energy monitoring: Ensures that energy usage data is correctly captured and transmitted.</p>
| + | < nowiki><p> The Modbus P1 Dongle is a device that enables communication between your TeltoCharge EV charging station and a smart meter using the Modbus RS-485 protocol. This setup is essential for accurately monitoring and controlling the energy usage during EV charging sessions.</ p></ nowiki> |
| − | * <p>Optimized charging: By leveraging the data from the smart meter, the charging station can optimize the charging process, potentially reducing costs and improving efficiency.</p>
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| − | ''Note: ''Before proceeding with the installation, please ensure that your smart meter is compatible with the Modbus P1 Dongle.<h2>Smart Meter Connection</h2>
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| − | <p>The dongle is connected to the P1 port of the smart meter via a provided P1 cable. This connection allows the dongle to read energy consumption data directly from the smart meter.</p>'''RS-485 Connection'''
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| − | The dongle features RS-485 terminals which are critical for establishing communication with the TeltoCharge system. These terminals are usually labeled as Ground (GND), A+ (positive differential signal), and B- (negative differential signal).
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| − | *To connect the dongle to the TeltoCharge, you'll need to use an appropriate RS-485 cable.
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| − | *Connect the 'A+' terminal of your cable to the 'A+' port on the TeltoCharge device.
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| − | *Connect the 'B-' terminal of your cable to the 'B-' port on the TeltoCharge device.
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| − | ''Note :'' In case of communication errors, swapping the 'A+' and 'B-' connections might resolve the issue.
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| − | [[File:Modbus p1 dongle -rs485.png|frameless|alt=|left|400x400px]]
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| − | <blockquote>
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| − | '''<br />''https://smart-stuff.nl/contact/'''''</blockquote>
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| − | ===General meter settings===
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| − | According to your smart meter documentation, please enter all the settings into the Teltonika app as shown.
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| − | #'''Energy meter type''': You need to select the type of smart meter (1-phase/3-phase). Please note that you can use a 1-phase charger even if the meter is 3-phase.
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| − | #'''RS-485 baud rate''': To ensure optimal performance and compatibility with the P1 smart dongle, the RS-485 baud rate must be configured to 38400.
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| − | #'''RS-485 parity/stop bit''': Similarly, this information can also be found in the meter settings. If the client is unable to find it, it is advisable to check the smart meter manual.
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| − | [[File:Smart stuff.png|left|frameless]]
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| − | [[File:Live data.png|border|frameless|457x457px|alt=|center]]
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| − | ''<big>Note</big>: Set up the energy meter address according to the smart stuff address.''
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| − | ''<big>Note </big>: After successfully completing these steps, please check the diagnostic live data from the energy meter.''
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