Open wireless standards Wireless MBus KNX RF Zig
Open wireless standards Wireless M-Bus, KNX RF, Zig. Bee, 6 Lo. WPAN Hallvard Moholdt, Technical Solutions Manager Ørjan Nottveit, Product Line Manager www. radiocrafts. com
Agenda q AMI overview q Wireless M-Bus q. NTA 8130 q. OMS q KNX RF q Zig. Bee q Total cost of ownership (TCO) q Q&A
AMI WAN NAN HAN/LAN
HAN/LAN Gateway
Why open standards q Open standards enable interoperability q Open standards give multi-vendor ecosystem and hence lower cost q What are open standards q. EN/IEC/ISO q. IETF q. Industry standard
Wireless M-Bus
figawa, © Radiocrafts AS
Wireless M-Bus 3 Key points q Only European Norm for wireless metering q Field proven in millions of meters q Supported by all major metering companies in Europe © Radiocrafts AS
Wireless M-Bus Basics q Slaves reporting to Master (concentrator) q Slave receives acknowledge with minimum time response )) ) ((( ))) )) ((( ) Message decryption and acknowledge within 2 -3 ms Meter wakes up and transmits reading (gas: each 30 min) ) Water: TX each 4 hours (with random time-spread) ((( ) ))) ((( Ack can contain ’shut valve’ command )) )) (((
Background q Standardization work -> Cenelec, TC 294 q EN 13757 standard “Comm. Syst. for remote reading of meters” q EN 13757 -4: 2005: Wireless Meter Readout q -3 M-Bus application layer q -1 DLMS application layer q The Netherlands: NTA 8130 as of Feb 2006 (last revision of Jan 2009) q Germany: OMS specification released September 2009 q TC 294 again active (re-launched July 2009)
EN 13757 -4: 2005 q “Stationary Mode” S q Unidirectional, S 1, or bi-directional, S 2 q 32. 768 kb/s, 868. 3 MHz q “Frequent transmit mode” T q Unidirectional, T 1, or bi-directional, T 2 q 100 kb/s, 868. 95 MHz q “Frequent receive mode” R q 10 channels, 4. 8 kb/s
NTA 8130 (DSMR) q Netherlands Technical Agreement 8130 q Dutch Smart Meter Requirements q P 2 interface q Max 4 metering instruments and/or grid company equipments in each metering system q Defines T 1 / T 2 and AES 128
OMS q Open Metering System specification q Assured co-existence with NTA 8130 / DSMR q Unified approach for the different media (electricity, gas, heat and water) as well as actuators and displays q Interoperation q Optimized for battery lifetime of > 14 years q Installation supported
OMS cont. q MUC (Multi Utility Controller): Intelligent concentrator between AMM and the devices q Either S or T mode and AES 128 encryption MUC <-> meters q OMS is being reviewed by CEN as European new work item proposal TC 294
System topology
RC 1180 -MBUS module q Embedded protocol q supporting EN 13757 -4: 2005 mode S, T and R 2 q AES 128 HW co-prosessor q 12. 7 x 25. 4 x 3. 3 mm q compact module for SMD mounting q No configuration required q 4 pins + gnd connection q 2. 0 – 3. 6 V supply voltage q ultra low power modes
RC 1180 -MBUS module q 2 channels in mode S and T q 868. 3 and 868. 95 MHz q 10 channels in mode R 2 q 868. 03 + n x 0. 06 MHz q CE marked q Conforms with EU R&TTE directive q EN 300 220, EN 301 489, EN 60950 q Designed for EX compliance q High temperatures
Feature sets standard
High-end performance q Output power typical 10 d. Bm q Excellent receiver sensitivity q Typical -102 d. Bm at 32. 768 kbps q Excellent blocking q >-45 d. Bm at 2 MHz offset q Two way communication simplifies installation compared to only one-way q 8 -900 m range / quarterwave antenna 20
UART : Data in – RF out
Wireless M-Bus communication modem EN 13757 -3 EN 13757 -4 Customer Application Microcontroller UART GPRS modem UART Ethernet gateway UART 22
M-Bus application module Pulse input Innstallation button input Status LED output UART for reading meter info q Tailoring to different end users requirements 23
MUC platforms: RC 1180 -MBUS+ GPRS/GSM / Ethernet RC 1180 -MBUS
PC Suite w/Packet sniffer
Man. ID
KNX is a registered Trademark of the KNX Association cvba, used with kind permission © Radiocrafts AS
KNX RF + wireless M-Bus = a complete solution for building automation and load management & home area metering KNX is a registered Trademark of the KNX Association cvba, used with kind permission
q KNX is the worldwide standard for home and building control (~7000 certified products) q IEC/ISO and EN standard q Supporting media (RF, PL, TP, IP) KNX is a registered Trademark of the KNX Association cvba, used with kind permission
RF q KNX-RF has the same lower layers as wireless M-Bus q KNX RF q 868 MHz, multiple channels q. New version of standard just released q. Improvement in battery lifetime and performance improvement in noisy environment
Zig. Bee is a registered Trademark of the Zig. Bee Alliance © Radiocrafts AS
Zig. Bee basics q Short range radio based on IEEE 802. 15. 4 q 2. 4 GHz Mesh radio q Limited to 10 m. W/MHz in Europe by EN 300 328
Zig. Bee Smart Energy q Public Application profile for support of q. Meters q. Display q. Repeater q. Load Control Devices q. Demand response support q. Security to allow consumer only, utility only, or shared networks q Zig. Bee Smart Energy : Preferred solution in US. for Smart Energy HAN
Smart Energy Security q Security is critical requirement q AES 128 bit network key and link keys q Preconfigured link key § Used to receive network key q Certificate based public key exchange to achieve final link key q Utilizes a Certificate Authority for the device keys q Process has been independently audited and approved by Carnegie-Mellon
The way forward: Zig. Bee IP stack q New Zig. Bee stack option in development q Based on end to end IP for smart metering q MAC – 15. 4 2006 with MAC security q 6 Lo. WPAN
6 Lo. WPAN q Standardized through IETF q IPv 6 packets over Low power Wireless Personal Area Network q Compression, fragmentation++ q ROLL (Routing Over Low power and Lossy networks ) q Radiocrafts is working with 6 Lo. WPAN leader Sensinode
RC 2400/RC 2400 HP q Support Zig. Bee Smart Energy and Zig. Bee PRO q 256 k. B Flash q Excellent range q 102 d. B system gain – RC 2400 q 110 d. B system gain – RC 2400 HP(European setup) q Excellent battery lifetime q RC 2400 and RC 2400 HP pin compatible
FW options q Zig. Bee Network Module q. Include precompiled Zig. Bee PRO stack q. UART/SPI to external processor q Zig. Bee 2007/PRO compliant stack available for download free of charge q. Easy-to-use development environment for customers to develop their own solution q Customer tailored solution
RC 2400 -ZNM MCU q Application q Security library q Zig. Bee PRO stack q Easy to use API interface via UART/SPI
Total cost of ownership of wireless solutions Finance and logistics q Supply Chain Management q Interest rate/ROI q Risk/Time to market Solution maintenance q Evolution of standards q New and better IC’s q Adding functionality Manufacturing Design Bill of material q Assembly q Manufacturing test q Yield loss q HW q FW q Characterization
Lowest TCO =
One design – Multiple solutions 868 MHz High Power Wireless M-Bus ½ Watt New! Wireless M-Bus @ 433 MHz KNX-RF New! Zig. Bee Customer specific Zig. Bee High Power
Questions?
Thank you for your attention www. radiocrafts. com Visit us at Booth #201
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