User Manual
iM871A Wireless M-Bus Appendix
iM871A_WMBus_UserManual.docx, Wireless Solutions, v1.2 Page 28
7.2 List of Figures
Figure 1-1: iM871A ..................................................................................................... 4
Figure 2-1: iM871A Metering Application Example with Host Controller ............................. 6
Figure 2-2: iM871A Metering Application Example Stand-Alone ....................................... 6
Figure 3-1: iM871A WM-Bus Stack ............................................................................... 9
Figure 3-2: Wireless M-Bus Telegram Format A ............................................................. 12
Figure 3-3: Wireless M-Bus Telegram Format A, block1 (header) ..................................... 12
Figure 3-4: Wireless M-Bus Telegram Format A, block2 .................................................. 12
Figure 3-5: Wireless M-Bus Telegram Format A, block3 to block n .................................. 13
Figure 3-6: Wireless M-Bus Telegram Format B ............................................................. 13
Figure 3-7: Wireless M-Bus Telegram Format B, block1 (header) ..................................... 13
Figure 3-8: Wireless M-Bus Telegram Format B, block2 .................................................. 13
Figure 3-9: Wireless M-Bus Telegram Format B, block3 .................................................. 13
Figure 3-10: Message format on serial interface ............................................................ 14
Figure 4-1 Packet Timing after Wake-up ....................................................................... 19
Figure 4-2: Packet Timing after Wake-up, detailed view .................................................. 20
Figure 4-3: Current Consumption ................................................................................. 21
Figure 5-1: Demo Board.............................................................................................. 22
Figure 5-2: iM871A USB-Stick ..................................................................................... 24
Figure 5-3: Wireless M-Bus Studio ............................................................................... 25
7.3 List of Tables
Table 3-1: Wireless M-Bus Modes ................................................................................ 10
Table 3-2: Parameter Overview .................................................................................... 15
Table 4-1: Possible Frequency Channel Settings in R-Mode ............................................. 18
Table 4-2: Possible Output Power Settings ..................................................................... 18
Table 4-3: Possible RF Data Rates ................................................................................ 19
Table 5-1: Pin mapping to important peripherals of the Demo Board ............................... 23
Table 6-1: Ordering Information .................................................................................. 26
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