System solution for intelligent metering Who we are

System solution for intelligent metering

Who we are Diehl metering Gmb. H Ansbach/ Germany 2 2

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What it is all about. Resources – Sustainability – Benefit - Law Resources Legislation Money Environment 10 10

AMR. Why? The benefit of data Energy Saving Optimization, increase efficency, decrease losses, lower temperatures, reward efficient customer behavior … Monitoring Surveillance of system parameters, flow, temperatures, leakages, alarms … Billing Monthly invoicing, instantaneous values, consumption history, plausibility, invoice on demand … 11 11

Remote Readout systems Walk-by or Drive-by (W&D) + + + • Walk by or Drive by (W&D) read out: the reader drives with the car or walks through the streets and reads out the water meters fast and easy with his read out equipment! Automatic meter read (AMR) out + • Automatic meter read (AMR) out: a central in the city located receiver collects the data from all installed water meters and sends the data to the water works office. 12

Walk-by/Drive-by System Radio module IZAR Tablet ))) ) ))) Bluetooth ))) Internal radio )))) Clip on IZAR@NET SW )))) Receiver 868 MHz Bluetooth or 2, 4 GHz 434 MHz 13 USB connection

Complete Solution – fixed network Mobile Solution + IZAR@Mobile MDM - Software Field Solution Fixed Network Solution Combination wired and wireless Solution 14

Handheld Story 1997 2005 2007 2009 15 2012 2015

What is M-Bus? Technical Background IZAR M-BUS Standardized Data Transmission Meter Bus (EN 13757) for networking and remote reading of utility meters economic system standardized simple installation easy readout remote powering secure transmission 16 16

Planning How to… Network Architecture 17 17

M-Bus Master The heart of it all IZAR CENTER - Interfaces RS 232 18 USB 18

Measuring – M-Bus Included M-Bus by nature Other Meters DIEHL METERING 19 19

SAMPLE SECTION 3 IZAR Center with gas meter Sharky, USB connection to a PC and M-Bus Receiver M-Bus USB 20 20

Planning How many devices in one system? max. 250 devices (25/60/120/250) at Idevice=1. 5 m. A repeater segment: max 60 devices + IZAR CENTER 60 master segment: max 250 devices ________________ = max. 310 devices (total maximum 1000 devices) IZAR CENTER 250 Memory 21 21

Planning Maximum Distance? • cable capacitance Example: • cable resistance CC=120 n. F/km • number of devices RC=26 Ohms/km ndevices=178 Resistance: Capacitance: Rmax = Umax R =/ (IU/I meterx nmeter) Ctotal = C Cmeter x n=meter 1000 + n. F Ccable length max 300 Rmax = 16 V Umax/ =(1. 5 m. A 37 V –x 21 178) V ==16 59. 9 V Ohms Ccable length Cmax 2400 = Ctotal= – 300 Cmeter n. F x nmeter l. R, max Imeter==R 1. 5 / Rc maxm. A = 300 n. F Cmax 9600 -1 n. F=x 100 178 n. F = 122 n. F àR =max 59. 9 =U Ohms 26 x. Ohms/km nmeter) max / (I/meter l. C, max =Cmeter Ccable= length 1 n. F/ CC = Maximum resistance of=the 2. 3 largest km cable segment C=total 122 n. F = Cmeter / 120 n. F/km x nmeter + =Ccable 1. 017 km length 22 22

Installation • IZAR@SET >1. 4. 2 23

settings installation Diehl Metering 24 24

Overview Systems • • IZAR Radio System – Uni-directional Competition – Bi-directional ))) 1. step: wake up ))) 2. step: answer ))) Sending interval 8 seconds 25

Software – Next Generation Software structure www. values Cloud computing and hosted services . com settings new functions & optimization Bidirectional data flow SECURITY APPs Data & Information management BIGDATA 26 26

V 2 Version Installation V 2. 0 Admin User Tablet Software installation and update SERVICE Metering Data IZAR@ MOBILE PC / Laptop (only Browser required, Chrome recommended) Processing, Hosting and Maintenance 27

Smart Solutions • • Network View Monitoring Counter View Network Overlay • • Leakage Alarm Network Optimization 28

IZAR@Mobile 2 Counter View 29

Scope Information Clients Network Information Status Analyzes Actions Alarms Optimization Savings 30

Main advantages of the IZAR Radio Systems compared to competition uni-directional vers. bi-directional: • Uni- directional systems are just sending information's, easy to build up networks • Bi-directional systems need receiving and sending devices • Uni- directional systems need not to communicate, just to send >> 8 sec intervals => fast! • Bi- directional systems have to communicate, if not, no info >> slow! • Uni- directional systems cannot be cracked for the purpose of manipulating the firmware of the Radio Modules • Bi- directional systems can receive cracked information's on module side • Uni- directional Systems just need GPRS receivers if it comes to a fixed network solution • Bi- directional systems need because of its technology Repeaters in between Modules and GPRS Receivers Remark: This is very important as each Repeater is only for about 20 - 25 meters and each meter has to be programmed separately. In case of replacing one meter, also the repeater has to be reprogrammed In case of damage to the repeater all 20 -25 meters will be missing !!! This must be considered in the calculation on the one hand in the maintaining costs on the other hand !!! => COST per METERING POINT!!! • Generally there is no need to have bi- directional function in an AMR system, as it is a passive information system with no need for active actions 31

System overview 32

There are some questions that cannot be answered by Google Seite 33 June 2007 – Edgar v. Schloß 33

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