R-INSTRUKTION 087R2121 - Siemens

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Infocal 5 Communication Description Version 2.00 11. Appendix C – Examples PC with M-Bus Master SW Service Tool M-Bus Master INFOCAL 5 Unit 1 INFOCAL 5 Unit 2 INFOCAL 5 Unit 3 INFOCAL 5 Unit 4 INFOCAL 5 Unit 5 11.1. Initialisation INFOCAL 5 always start up with a baud rate of 300 Baud after a power up. The primary (and secondary) address is normally a part of the Customer number, which can be seen on the display. The primary (and secondary) address can however be changed by use of a Service Tool. By sending a SND_NKE the baud rate is set to 300 Baud and the address selection for secondary address is cleared. To increase the read out speed it is possible to change the baud rate to 2400 Baud (or another baud rate) by sending the command described in chapter: 3.2 Change Baud rate. In the above shown system with 5 units of INFOCAL 5 the easiest way is to use the broadcast address 255 to change the baud rate for all units at the same time. 11.2. Loop for Data Request To read out data on the above system with 5 units of INFOCAL 5 just send the command shown in chapter: 4.1 Reading of measured values to address 1, then the command to address 2, 3, 4 and then the command to address 5. 32
Infocal 5 Communication Description Version 2.00 12. Appendix D - M-Bus Classification requirements Compare of INFOCAL 5 M-bus implementation and M-Bus Classification requirements by Prof.Dr.H.Ziegler Paderborn University. A) Level A (Slave with minimum communication function) INFOCAL comments: I) Meets all requirements of EN1434-part 3 Yes II) Physical Layer 1.) Current Requirements:
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R-INSTRUKTION 087R2121 - Siemens

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