R-INSTRUKTION 087R2121 - Siemens

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Infocal 5 Communication Description Version 2.00 B) Level B (Slave with normal communication function) INFOCAL comments: I) Meets all requirements of EN1434-part 3 Yes with the following restrictions: 1.) Only variable protocol Yes 2.) Only mode 1 (LSB first) Yes II) Physical Layer 1.) Current Requirements:
Infocal 5 Communication Description Version 2.00 IV) Application Layer 1.) For heatmeters: Minimum required data record answer of meter to first REQ_UD2 with set FCB-Bit after an SND_NKE. May require a previous application reset (CI=$50) FCB-Bit follows the master. a) Fixed header of variable protocol Yes b) Accumulated actual energy and volume data formats: variable protocol (BIN or BCD). Data types BIN or BCD 4,6 or 8 bytes Energy and volume in variable protocol with DIF = BCD8 c) Return temperature in °C Flow temperature and Return temperature in 100 m°C d) Temperature difference with a resolution of at least Temperature difference 10mK or both temperatures with a resolution of in 10 mK
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R-INSTRUKTION 087R2121 - Siemens

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