4.1. P03-Modbus request string from the master ............5 4.2. P03-Modbus output string to the master ............... 6 Elsner Elektronik GmbH • Sohlengrund 16 • 75395 Ostelsheim • Germany Weather Stations P03/3-Modbus(-GPS) Status: 07.06.2022 • Errors excepted. Subject to technical changes.
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Clarification of signs This manual is amended periodically and will be brought into line with new software releases. The change status (software version and date) can be found in the contents footer. If you have a device with a later software version, please check www.elsner-elektronik.de in the menu area "Service"...
Elsner Elektronik is not liable for any changes in norms and standards which may occur after publication of these operating instructions. For information on installation, maintenance, disposal, scope of delivery and technical data, please refer to the installation instructions.
Fig. 1: detailed view DIP switches If all DIP switches are in the OFF position (default setting), the following parameters are active: Address: 1 Baud rate: 19,200 Parity: Even Termination: Disabled Weather Stations P03/3-Modbus(-GPS) • Version: 07.06.2022 • Errors excepted. Subject to technical changes.
Number of registers to be read Number of words Low Byte CRC Low Byte CRC High Byte Example query string for reading all data: 0x01 0x04 0x00 0x00 0x00 0x11 0x30 0x06 Weather Stations P03/3-Modbus(-GPS) • Version: 07.06.2022 • Errors excepted. Subject to technical changes.
Value/10 = sun position; height range +/-90.0 degrees (*) Elevation Degree of longitude Value/100 +/- xxx.xx°; + = east / - = west (*) Degree of longitude Weather Stations P03/3-Modbus(-GPS) • Version: 07.06.2022 • Errors excepted. Subject to technical changes.
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Degree of latitude (*) Only available with version P03/3-Modbus-GPS (with GPS module) Negative values are represented in the two’s complement notation. Time indicated as: UTC (Coordinated Universal Time). Weather Stations P03/3-Modbus(-GPS) • Version: 07.06.2022 • Errors excepted. Subject to technical changes.
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Questions about the product? You can reach the technical service of Elsner Elektronik under Tel. +49 (0) 70 33 / 30 945-250 or service@elsner-elektronik.de We need the following information to process your service request: • Type of appliance (model name or item number) •...
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