Wireless Measurement Cores Electronic LLC 10/26/2006

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Presentation transcript:

Wireless Measurement Cores Electronic LLC 10/26/2006

Agenda ZigBee Overview IEEE 802.15.4 Radio Network Topologies, Security, Battery Life Modules Description Driver Software Performance Sales Info 10/26/2006 Cores Electronic LLC

ZigBee Overview ZigBee is a wireless standard that aims to do for embedded command-and-control applications what Wi-Fi did for wireless networking. 10/26/2006 Cores Electronic LLC

ZigBee Overview The ZigBee standard and the lower level IEEE 802.15.4 standard, are open standards targeted at home and building automation, consumer electronics, PC peripherals, measurement , medical applications and toys. 10/26/2006 Cores Electronic LLC

ZigBee Overview What these applications have in common is: 1) the need for low-power operation, and 2) the scalability to enable networks with thousands of devices. The IEEE is responsible for the 802.15.4 standard, which defines the physical layer (PHY) and the media access layer (MAC). 10/26/2006 Cores Electronic LLC

ZigBee Overview The ZigBee Alliance is a global nonprofit consortium of over 60 industry leaders including Philips, Motorola, Honeywell, Invensys, Samsung, Mitsubishi, Microchip Technology, Freescale Semiconductor, Texas Instruments, etc. 10/26/2006 Cores Electronic LLC

IEEE 802.15.4 Radio The IEEE 802.15.4 standard specifies operation in the 2.4 GHz band which is available worldwide, and is also used by Wi-Fi and Bluetooth. 10/26/2006 Cores Electronic LLC

IEEE 802.15.4 Radio The 2.4 GHz PHY employs offset quadrature phase-shift keying (O-QPSK). Direct sequence spread spectrum (DSSS) is used to improve receiver sensitivity through processing gain, and to ensure robustness in multi-path environments and in the presence of interfering signals. 10/26/2006 Cores Electronic LLC

Reduction in POWER implemented using SLEEP time Network Topologies The simplest network is a STAR network with a single network coordinator connected to a number of slaves. Reduction in POWER implemented using SLEEP time 10/26/2006 Cores Electronic LLC

Network Topologies A second type of network is a cluster tree or connected star network. This type of network may be employed to extend the range of a star network or to link two networks. 10/26/2006 Cores Electronic LLC

Network Topologies The third type of network is a MESH network. A mesh network may extend over a large area and contain thousands of nodes. 10/26/2006 Cores Electronic LLC

Security The standard provides three levels of security: no security, access control lists and 32-bit to 128-bit AES encryption with authentication. The security mechanisms prevent data from being compromised, stolen, replayed or tampered with. 10/26/2006 Cores Electronic LLC

Battery Life ZigBee was designed from the ground up for ultra-low-power consumption. Many sensors will be battery powered. Taking advantage of the power-saving mechanisms built into the radio protocol and low-power microcontrollers (MCUs) can result in several years of operation from a single battery. 10/26/2006 Cores Electronic LLC

WN-USB Coordinator Module WN-Measurement Modules Measurement Network Components(1) WN-USB Coordinator Module WN-Measurement Modules 10/26/2006 Cores Electronic LLC

WN-Ethernet Coordinator Module WN-Measurement Modules Measurement Network Components(2) WN-Ethernet Coordinator Module WN-Measurement Modules 10/26/2006 Cores Electronic LLC

Application Wireless SENSOR reading. The SENSORS can measure – Voltage, Current, Temperature, Humidity, Gas, Water, etc - and send their measurements either directly or from sensor to sensor in a mesh network to a PC consolidator. 10/26/2006 Cores Electronic LLC

Modules OFFERING CUSTOM modules = modules that we build according to customer specifications for SENSOR or Communication interface. READY-MADE modules = modules that are of general nature and we have in stock and can produce in large quantities. 10/26/2006 Cores Electronic LLC

WN-Ethernet Ethernet - to - ZigBee Modules Description Coordinator Modules: WN-USB USB - to - ZigBee WN-Ethernet Ethernet - to - ZigBee 10/26/2006 Cores Electronic LLC

Modules Description Measurement Modules: WN-AI Voltage Input 2-ch RSE, 18-bit, Delta-Sigma 240S/sec, Range: +/-10V Input Impedance: 1M 10/26/2006 Cores Electronic LLC

WN-Current(4-20mA) Current Input Modules Description Measurement Modules: WN-Current(4-20mA) Current Input 2-ch RSE, 18-bit, Delta-Sigma 240S/sec, Range: +/-10V Input Impedance: 1M 10/26/2006 Cores Electronic LLC

WN-DIO Digital Input/Output Modules Description Measurement Modules: WN-DIO Digital Input/Output 4-ch, bit-programmable Input: TTL / CMOS; Schmitt Trigger Output: Open Collector 10/26/2006 Cores Electronic LLC

2-ch, 32-bit Input Levels: TTL / CMOS Input Type: Schmit Trigger Modules Description Measurement Modules: WN-CNT Counter 2-ch, 32-bit Input Levels: TTL / CMOS Input Type: Schmit Trigger 10/26/2006 Cores Electronic LLC

Modules Description Measurement Modules: WN-RLY Relays 2-ch, Form C Relays Nominal switching capacity …..1A at 30 VDC, or 0.5A at 125VAC •  Max switching power ………….30W, 30VA •  Max switching voltage …………60 VDC, 125VAC •  Max switching current …………1A •  Min switching capacity …………1mA, 110VDC 10/26/2006 Cores Electronic LLC

Modules Description Measurement Modules: WN-RLY Relays 2-ch, Form C Relays Nominal switching capacity …..1A at 30 VDC, or 0.5A at 125VAC •  Max switching power ………….30W, 30VA •  Max switching voltage …………60 VDC, 125VAC •  Max switching current …………1A •  Min switching capacity …………1mA, 110VDC 10/26/2006 Cores Electronic LLC

CUSTOM Modules On our existing Measurement Node platform, that is made of uC + Power + Radio circuitry, We can accommodate custom SENSOR(s) or custom Conditioning Circuitry in order to build what we call a Custom Module. Together with this custom module we also provide a driver supported in LabVIEW or C. 10/26/2006 Cores Electronic LLC

Temperature Humidity Vibration Displacement Level etc Examples of CUSTOM Modules Temperature Humidity Vibration Displacement Level etc 10/26/2006 Cores Electronic LLC

WSN Software The WN Family of modules driver software has two components: WN-API WN Explorer 10/26/2006 Cores Electronic LLC

WSN Software Architecture 10/26/2006 Cores Electronic LLC

The WN-API contains three function groups: Connect/Disconnect Node Measurement Add and Configure Measurement Node 10/26/2006 Cores Electronic LLC

Connect / Disconnect Node WN - API Connect / Disconnect Node 10/26/2006 Cores Electronic LLC

WN_CNTStart WN_CNTRead WN - API Measurement Functions : WN_AIRead.vi WN_CurrentRead.vi WN_DIOReadPort.vi WN_DIOWritePort.vi WN_DIOConfigure.vi WN_DIOReadLine.vi WN_DIOWriteLine.vi WN_CNTStart WN_CNTRead WN_CNTStop WN_RLYSet 10/26/2006 Cores Electronic LLC

Measurement Functions WN - API Measurement Functions 10/26/2006 Cores Electronic LLC

WN - API WN_AddNode WN_DeleteAllNodes WN_DeleteNode Add and Configure Measurement Node : WN_AddNode WN_DeleteAllNodes WN_DeleteNode WN_LoadConfiguration WN_SaveConfiguration 10/26/2006 Cores Electronic LLC

Wireless Nodes Explorer 10/26/2006 Cores Electronic LLC

Performance Battery Power 10/26/2006 Cores Electronic LLC

Performance Measurement Determinism the RADIO layer, and the APPLICATION layer. Command transmission and data availability in the wireless sensor network have the determinism of : Two radio Sleep Periods + Measurement time + any delay caused by OS related tasks. 10/26/2006 Cores Electronic LLC

Sales Information Cores Electronic LLC www.coreselectonic.com 10/26/2006 Cores Electronic LLC

DEMO 10/26/2006 Cores Electronic LLC