5511-710 GB/12.2004/Rev. C1
Contents
2
1. Technical description M-Bus 3
Introduction 3
2. M-Bus System 4
M-Bus system components 4
Communication 4
Addresses of M-Bus Slave units 4
Primary addressing 4
Secondary addressing 4
Operation 5
3. M-Bus Master 6
4. M-Bus Slave for MULTICAL
®
7
5. M-Bus Slave for MULTICAL
®
Compact/MULTICAL
®
401 8
6. M-Bus Slave for Kamstrup 162/382/351 Combi 9
7. M-Bus Cascade module 10
8. M-Bus Modem 12
Test 12
9. Installation of M-Bus 13
Cable length 13
Mounting 13
10. Data reading of M-Bus 15
Data reading of heat meters 15
M-Bus Slave for MULTICAL
®
III/MULTICAL
®
15
M-Bus Slave for MULTICAL
®
Compact/MULTICAL
®
401 16
Data reading of Kamstrup 162/382/351 Combi 16
M-Bus Slave for Kamstrup 162/382/351 Combi 16
Reading equipment 16
11. Protocol 17
Commands 17
The individual commands in detail 17
M-Bus Master to M-Bus Slave 17
M-Bus Slave to M-Bus Master 18
Communication process 19
Reading of fresh data through e.g. data logging 20
M-Bus Slave and foreign M-Bus masters 20
Appendix 20
Physical properties 26