Welcome to PHOENIX CONTACT
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1 Welcome to PHOENIX CONTACT What can wireless do for you? Stewart Wilson Project Engineer Central Region
2 Agenda Why Use Wireless? What Is Wireless? License vs. Unlicensed Spread Spectrum Public vs. Proprietary ISM Bands Wi-Fi 900 MHz Proprietary UHF Radios GSM/GPRS Cell Phone Antennas & accessories Installation design & System best practices 2 Presentation Ira Sharp 20 April 2010
3 Why wireless? It can solve application challenges 3 Presentation Ira Sharp 20 April 2010
4 Why wireless? When logistics and terrain make wired solutions impractical or cost effective. 4 Presentation Ira Sharp 20 April 2010
5 Using Wireless in Industrial Applications Wireless has become a standard in everyday life Commercially, for convenience Industrially, to solve problems 5 Presentation Ira Sharp 20 April 2010
6 Using Wireless in Industrial Applications Wireless has become a standard in everyday life Commercially, for convenience Industrially, to solve problems Developments in industrial wireless are accelerating very rapidly New technologies are in development Standards are being created specifically for industry 6 Presentation Ira Sharp 20 April 2010
7 RF Radios control the roof on the new Dallas Cowboys Stadium 7 Presentation Ira Sharp 20 April 2010
8 Perimeter Surveillance Application Waste Water Treatment Plant (WTP) 8 Presentation Ira Sharp 20 April 2010
9 Benefits of Wireless in Industrial Applications Lower installation costs (than wired solutions) Labor savings Permits and delays Material cost Faster installation vs. traditional cabling Reduced down times More application flexibility 9 Presentation Ira Sharp 20 April 2010
10 Consider Wireless Technology for today s industrial challenges Cost $40000 Cost of Wires + Installation can = $10 to $1000+ / foot $10000 $ ft 1 mile Distance 10 Presentation Ira Sharp 20 April 2010
11 What Makes Wireless Technology Industrial? Reliability Must be as reliable / more reliable than wire? Latency appropriate for application. Security Prevent malicious use from intruders Prevent malicious jamming of frequencies Rugged Easy setup and installation. Able to operate in an industrial environment. 11 Presentation Ira Sharp 20 April 2010
12 FCC Operating Guidelines Low Band MHz Trunked and Conventional 800 MHz Mid Band MHz MHz (in USA) Cellular 800/900 MHz VHF Band MHz MHz Spread Spectrum 902/928 MHz GHz GHz 220 Band MHz ( MHz) 900 MHz Pt to Pt 960 MHz Pt to Pt 928/952 MHz ( MHz) 960 MHz UHF Band MHz MHz MHz Pt to Pt Microwave PCN Networks 2000 MHz (2 GHz) 12 Presentation Ira Sharp 20 April 2010
13 Radio Frequencies have many applications: VLF very low frequency Most Industrial radio modems use UHF LF low frequency and some VHF frequencies for long range data communications MF multi frequency e.g. for supervision and control of power distribution networks and other SCADA and automation applications. HF high frequency MoIndustrial Devices work m VHF very high frequency UHF ultra high frequency SHF super high frequency EHF extremely high frequency 14 Presentation Ira Sharp 20 April 2010
14 Industrial Wireless Communication Solutions (Application Space Matrix) Kbps Data Rate Mbps Miles Distance 100 s of ft transmitters (a, b, g etc) (a, b, g etc) Remote UHF Proprietary wireless Wi-Fi standards (a, b, g etc) UHF UHF Wireless 15 Presentation Ira Sharp 20 April 2010
15 Consider Wireless Technology Wireless Options Licensed RF: Uses a high power radio frequency transmitter to send data through the air License-free RF: Uses a low power radio frequency transmitter to send data through the air 16 Presentation Ira Sharp 20 April 2010
16 Licensed vs. Unlicensed Licensed Unlicensed Requires user to purchase a license No license required Very low to no interference Much more interference Very low thru-put when interference occurs Little effect on thru-put with low amounts of interference Higher power can be used this can result in greater distances Does not allow for high power transmissions 17 Presentation Ira Sharp 20 April 2010
17 ISM Bands - Industrial, Scientific and Medical 900MHz vs. 2.4GHz vs. 5GHz 2.4GHz Advantages: Higher bandwidth allows large data transfer, speed Components are smaller, cheaper Disadvantages: Congested band due to abundance of Wi- Fi, Bluetooth, microwaves, cordless phones Attenuates much more quickly, will not pass through metal 900MHz Advantages: More robust, less prone to interference Lower attenuation, travels further through more obstacles Disadvantages: Low bandwidth prevents large data transfer, speed Components are larger at lower frequencies 5GHz Advantages: Higher bandwidth allows large data transfer, speed Less congested, few RF devices in this band Disadvantages: Low transmit power limitations High attenuation in cables, requires very high gain antennas 18 Presentation Ira Sharp 20 April 2010
18 ISM Frequency Bands (in North America) Lower Frequencies: propagate further penetrate objects better 2.4GHz: used by microwave ovens (rain fade issues) is license free around the world congested band higher throughput 900MHz 2.4GHz 5.8GHz brand new ISM band low transmit power allowed 19 Presentation Ira Sharp 20 April GHz
19 Industrial Wireless Usage Based Frequency: 2.4GHz Speed: 250kbps Range: <30m Proprietary Frequency: 900MHz/2.4GHz Speed: Varies, <1Mbps Range: Varies, <20km Licensed Frequency: MHz Speed: Varies, <19.2kbps Range: +20km GSM/GPRS Frequency: 850/900/1800/1900MHz Speed: 250kbps Range: <30m Users have more options for wireless technology and product features than ever before Which one for what purpose? Bluetooth Frequency: 2.4GHz Speed: 1Mbps Range: <100m WiFi (802.11a/b/g) Frequency: 2.4/5GHz Speed: 54Mbps Range: 100m Enterprise Ethernet Network SCADA Ethernet Network Serial Data Analog Digital I/O 20 Presentation Ira Sharp 20 April 2010
20 Wireless Fundamentals This is faster?.. but is it better? 21 Presentation Ira Sharp 20 April 2010
21 Wireless Fundamentals: Faster..Yes!. this may be (better)? 22 Presentation Ira Sharp 20 April 2010
22 The Energy per Bit Equation We can conceptually show how E/Bit affects how far different radios will go in an industrial setting. 1 Watt TX 9600bps TX Power E b = Baud Rate > 1 Watt TX 115kbps d d Typical Spread Spectrum I/O radio compared to a higher speed SCADA radio with same transmit power 24 Presentation Ira Sharp 20 April 2010
23 ISM License Free Spread Spectrum Rules Manufacturer gets FCC approval not you! FCC Rules for Part Doesn t cause interference Live and function with interference Part 15 gets recognition by FCC Operates in 900, 2400, 5800 MHz bands Military technology applied to industrial, commercial, and consumer application 25 Presentation Ira Sharp 20 April 2010
24 What is Spread Spectrum A method of transmitting a signal by "spreading" it over a broad range of frequencies much wider then the minimum bandwidth needed to transmit Benefits Reduces power needed to transmit information Increases transmit speed Can allow multiple networks to exits Reduces the effect of interference 26 Presentation Ira Sharp 20 April 2010
25 Remember, Spread Spectrum radios come in two flavors. DSSS Direct Sequence Spread Spectrum Uses wide RF band Typically moves many bits per second ( WLAN Ethernet radios move many bits per second) FHSS Frequency Hopping Spread Spectrum Uses narrow RF band Typically moves fewer bits per second (Wireless Interface devices moving small packets of I/O data move very few bits per second) How do these characteristics affect Energy per Bit and distance? 27 Presentation Ira Sharp 20 April 2010
26 Industrial/Scientific/Medical (ISM) Radio Bands License Free License Free (FCC part 15) 1 watt power max 900MHz, 2.4 GHz, 5.8 GHz bands..but ISM demands the use of one of the Spread Spectrum Technologies Direct Sequence Frequency Hopping OFDM 28 Presentation Ira Sharp 20 April 2010
27 Direct Sequencing Spread Spectrum - DSSS BANDWIDTH DIRECT SEQUENCE BACKGROUND NOISE RF POWER FREQUENCY 29 Presentation Ira Sharp 20 April 2010
28 The Direct Sequencing - Physics of Spread and De-spreading Data Signal Strength Signal Strength Frequency Data Bit Code Word DATA 15, 63 or 127 chips long Transmitter DS Code SPREAD DATA Same DS Code DATA DE-SPREAD DATA Receiver 30 Presentation Ira Sharp 20 April 2010
29 The Direct Sequence & Interference 1 Watt Interference Transmit Power (Watts) 1 Watt of power spread across wide bandwidth 0 Watt 902MHz Bandwidth (MHz) 928MHz 31 Presentation Ira Sharp 20 April 2010
30 FHSS Wireless I/O Proprietary Wireless Inherently Secure Only known by the manufacture Designed for specific applications I/O to I/O communication Long distance (1,000 s of feet to miles) Serial Data (RS-232/422/485) Long distance (1,000 s of feet to miles) A number of Mfgs incorporate proprietary FHSS technology: 900MHz, Bluetooth, , 802,15, etc. frequencies 32 Presentation Ira Sharp 20 April 2010
31 Spread Spectrum Frequency Hopping Frequency Hopping Concentrates power in very narrow signal Hopping in random pattern 100 times/sec Hopping in pseudo random pattern. The random pattern can be 100 times/sec FREQUENCY HOPPING WAVE BANDWIDTH DIRECT SEQUENCE BACKGROUND NOISE RF POWER FREQUENCY 33 Presentation Ira Sharp 20 April 2010
32 Frequency Hopping & Interference Interference may knock an update down, but other transmissions will get through. 902MHz 928 MHz 34 Presentation Ira Sharp 20 April MHz
33 Spread Spectrum Frequency Hopping vs. Direct Sequence Frequency Hopping Concentrates power in very narrow signal Hopping in random pattern 100 times/sec FREQUENCY HOPPING WAVE Direct Sequence Slices transmission into small coded bits Utilizes wider signal channel Each has it s own application advantages. Is the need for transmitting BANDWIDTH large Data or IP Packets?.or simple serial and I/O signal? DIRECT SEQUENCE BACKGROUND NOISE RF POWER FREQUENCY 35 Presentation Ira Sharp 20 April 2010
34 Wireless: Performance Vs Distance - How far will it go? 36 Presentation Ira Sharp 20 April 2010
35 Wireless: Performance Vs Distance - A wireless network is only as good as its weakest link! 37 Presentation Ira Sharp 20 April 2010
36 How far will industrial wireless devices go? Received Signal Strength No Worry Zone Common Sense Zone Performance Zone Receiver Threshold Performance Zone - Path engineering required - Wireless conduits up to 20+ miles Common Sense Zone - Success with experience - Wireless conduits up to 1/2 mile No Worry Zone - The Electrician s Territory - Wireless conduits up to 1000 feet This is where it just works, every time, out of the box! 38 Presentation Ira Sharp 20 April 2010
37 Public and Proprietary Systems Public Standard- A governing body exists to create/certify a specification to guarantee interoperability between manufacturer s devices Radio language is known Equipment is readily available Encryption is the only protection Examples: , Bluetooth, Zigbee Proprietary System- The manufacturer controls the design so that the product will only work with other devices from that manufacturer Non public air interface Equipment available to insiders Un-known technology is a significant barrier Encryption helps Examples: Phoenix RAD-ISM Presentation Ira Sharp 20 April 2010
38 Public Systems Public systems can talk to similar devices from the same manufacture Interoperability and can talk to other manufactures devices 41 Presentation Ira Sharp 20 April 2010
39 Public and Proprietary Systems Public Standard- A governing body exists to create/certify a specification to guarantee interoperability between manufacturer s devices Radio language is known Equipment is readily available Encryption is the only protection Examples: , Bluetooth, Zigbee Proprietary System- The manufacturer controls the design so that the product will only work with other devices from that manufacturer Non public air interface Equipment available to insiders Un-known technology is a significant barrier Encryption helps Examples: Phoenix RAD-ISM Presentation Ira Sharp 20 April 2010
40 Proprietary Systems Other manufactures products will not work with other proprietary systems RS232 RS485 DATA (w/ I/O) 43 Presentation Ira Sharp 20 April 2010
41 TRADITIONAL NETWORK STRUCTURE The proprietary radios can co-exist with other radios in a concentrated area Hop sequences are different in every radio group Network ID, Security ID, RF band keep networks separated 44 Presentation Ira Sharp 20 April 2010
42 CELLULAR NETWORK STRUCTURE Radios that operate on a standard (like Bluetooth) will use the same hop patterns Each network must be physically separated Network ID, Security ID, RF Power keep networks separated 45 Presentation Ira Sharp 20 April 2010
43 900 MHz Unlicensed Radio Types: Unidirectional & I/O MHz FHSS & DSSS 1 Watt transmitter Transmits: 1 analog (4-20mA) 2 digital (5-30VDC) Factory matched pairs (transmitter/receiver)-no Programming! 600-1,000ft range out of the box Point to point or signal splitting configurations 46 Presentation Ira Sharp 20 April 2010
44 900 MHz Unlicensed Radio Types: Bidirectional & with I/O MHz FHSS & DSSS 1 Watt transmitter Transmits (both directions): 1 analog (4-20mA) 2 digital (5-30VDC) Factory matched pairs (transceivers) or custom configuration options for point to multipoint applications-no Programming! Expandable I/O digital and analog modules and special function modules 600-1,000ft range out of the box 47 Presentation Ira Sharp 20 April 2010
45 900 MHz Unlicensed Radio Types RS232/422/485 Serial Data and I/O MHz FHSS & DSSS 1 Watt transmitter Transmits RS232/422/485 Data 1 DB9 connection 4-pos. screw connector Connect Expansion I/O Modules Becomes simple wireless remote I/O I/O points are addressable via Modbus RTU or Allen-Bradley DF1 All in one Master, Slave, Store-and-Forward Repeater Simple Programming using GUI or Dipswitches Programmable Sleep Mode for Solar Installations 48 Presentation Ira Sharp 20 April 2010
46 UHF Radio Types: 400MHz & 900 MHz etc, etc 0.1-5W adjustable transmitter power Transmits RS232 Data 2x DB9 connection 2 independent serial channels allow multiple device/protocols to be connected to 1 radio All in one Master, Slave, Store-and- Forward Repeater 9600 and 19200bps (12.5kHz FCC) over-the-air rate 128-bit AES encryption Simplex and half duplex modes Simple Programming using GUI Separate port for programming/ diagnostics 49 Presentation Ira Sharp 20 April 2010
47 Wireless Ethernet (WLAN) Technology Public standard Multiple manufactures devices can be used together Secure Provided proper encryption is used (WPA2/802.11i) Medium distance 100 s to 1000 s (+) feet Very high speed Ethernet type speeds up to 54Mbps 50 Presentation Ira Sharp 20 April 2010
48 When to use WLAN Technology WLAN Does the application require high speed data access? WLAN technology offers speeds up to 54Mbps which is ideal for applications like uploading and downloading PLC programs, data acquisition, or video surveillance. Is connection to an existing /Wi-Fi network available? WLAN technology is public standard meaning that multiple manufactures devices can communicate on the same wireless network. This means that an existing Cisco wireless infrastructure could be utilized for connection to plant floor devices. Is IT concerned about security? WLAN technology from Phoenix Contact uses the latest security standards that most IT departments require such as AES encryption over the air and 802.1x network authentication. Together this will work with most existing IT infrastructure. 51 Presentation Ira Sharp 20 April 2010
49 Encryption Overview Poor Good Best WEP - Weak key can be hacked or cracked with little to no network security knowledge WPA - Based on the same encryption as WEP with added features like authentication. Can be hacked although it takes more time and a higher knowledge of network security WPA2 / AES - Currently the highest level of security available and is considered un-hackable by today's standards. 52 Presentation Ira Sharp 20 April 2010
50 Ethernet Vs SCADA Ethernet Ethernet (infrastructure) Many nodes Fast speeds Large packets Sorter distances SCADA Ethernet Many nodes Slower speeds Very small packets Very large distances 53 Presentation Ira Sharp 20 April 2010
51 Wireless Ethernet Applications Plant Networking Mobile Networking Access Security Control 54 Presentation Ira Sharp 20 April 2010
52 Cellular GSM/GPRS Security Advanced Encryption used over the air VPN can be used to security data over the internet Speed Up to 14.4Kbps (GSM) Up to 85.6Kbps (GPRS) World wide access Requires SIM card for operation Monthly service charge applies 55 Presentation Ira Sharp 20 April 2010
53 Cellular Industrial Radios: GSM/GPRS Quad Band Modem (850/900/1800/1900MHz) Transmits RS232 Data 1 DB9 connection 2 Digital Inputs (10-30VDC) Triggers modem to dial pre-stored numbers Send Fax or SMS 1 Digital Output (Transistor) Trigger via SMS, local AT command or paired modem Digital Input Reset equipment, alarm Integrated TCP/IP stack for GPRS networks Simple Programming using GUI or AT Commands Wide range power supply 10-30VDC Pre-installed SIM Card ready for service activation USA version Canadian version 56 Presentation Ira Sharp 20 April 2010
54 GSM/GPRS GSM Global System for Mobile Communications GSM (Voice Network) Talk to any device connected to the PSTN SMS FAX Etc. PSTN SMS )))) FAX Output * PSTN Public Switched Telephone Network 57 Presentation Ira Sharp 20 April 2010
55 GSM Communications GSM utilizes the voice network for communications. In the United States the carriers (AT&T, Verison, Sprint, etc.) do not want you to use this network for data communications. Therefore, it has little use for SCADA and telemetry applications. One exception is SMS (Text Messaging). SMS uses the GSM network and is a effective way to communicate alarm states from various sites. Alarm Condition Water Tower/ Pump House Alarm Alarm Control Contact 58 Presentation Ira Sharp 20 April 2010
56 What else do you need Add Antenna s? Add Surge protection? Add Connections and cabling? Add PSU/UPS? Add Enclosure? Helpful Resources Tech Service Catalogs & manuals Online tools Antenna selector guide Wireless Configurator 59 Presentation Ira Sharp 20 April 2010
57 Antennas Omni Semi-Parabolic Parabolic Panel Patch Yagi 60 Presentation Ira Sharp 20 April 2010
58 Understanding Antennas Antenna gain is not amplification of the RF signal, it is a measure of the focus of the signal High gain antennas focus the RF signal more than low gain antennas Different types of antennas focus the RF energy in different ways Proper installation is crucial: Connections and mounting must be secure Rule of thumb: The further the distance, the higher the antenna must be 61 Presentation Ira Sharp 20 April 2010
59 Omni-Directional Antennas: Basic Principles Omni-directional antennas radiate RF energy in all directions (but not equally) The typical radiation pattern resembles a donut centered around the antenna They can be vertically polarized or horizontally polarized Polarization can control the direction the donut goes Vertical Top View Antenna datasheets have diagrams of the radiation pattern Horizontal 62 Presentation Ira Sharp 20 April 2010
60 Omni-Directional Antennas: Basic Principles As the gain of an omni increases, typically the height of the donut decreases, and the diameter increases, allowing the RF to radiate further. Example 0dB Omni Example 3dB Omni 63 Presentation Ira Sharp 20 April 2010 Example 5dB Omni
61 Best Practice: Point to Multipoint Application N S 64 Presentation Ira Sharp 20 April 2010
62 Best Practice: Point to Multipoint Application N S 65 Presentation Ira Sharp 20 April 2010
63 Omni-Directional Antennas: Application Clear Line of of Sight, Excellent No Link Link 66 Presentation Ira Sharp 20 April 2010
64 Yagi-Directional Antennas: Basic Principles Yagi-directional antennas radiate RF energy in a specific direction The typical radiation pattern resembles the beam of a flashlight Vertical They can be vertically polarized or horizontally polarized Polarization can provide separation of two RF signals Horizontal Antenna datasheets have diagrams of the radiation pattern 67 Presentation Ira Sharp 20 April 2010
65 Yagi-Directional Antennas: Basic Principles As the gain of a yagi increases, the beam width decreases and the signal becomes more focused to radiate further Example 3dB Yagi Example 6dB Yagi Example 9dB Yagi 68 Presentation Ira Sharp 20 April 2010
66 Yagi-Directional Antennas: Application No Line of Sight, No Link Partial Line of Sight, Poor Link 69 Presentation Ira Sharp 20 April 2010 Full Line of Sight, Excellent Link
67 Yagi-Directional Antennas: Application No Line of Sight, Good Link 70 Presentation Ira Sharp 20 April 2010 No Line of Sight, Excellent Link
68 What else do you need? A reliable, consistent power: A reliable, consistent power source? Solar Power Generators Cost savings vs. power company Designed for any location Application Approvals 71 Presentation Ira Sharp 20 April 2010
69 Selection Matrix PHOENIX CONTACT SOLAR INSOLATION ZONE SIS A B C D E SOLAR INTERFACE SYSTEMS SYSTEM PRODUCTION IN AMPHOURS/DAY 12 VOLT SYSTEMS SIS-12/ VOLT SYSTEMS SIS-24/ **SIS-24/ SIS-24/ **Note: The 24volt, 40W systems have been reduced by 20% due to the ineffiecencies of the voltage convertor. ZONE A = 5+ kwh/d, ZONE B = 4 kwh/d ZONE C = 3 kwh/d, ZONE D = 2 kwh/d ZONE E = 1 kwh/d 72 Presentation Ira Sharp 20 April 2010
70 Determining Antenna Alignment It is important to study your environment before installing a wireless system over a large distance. Determine the distance between sites using hand tools & Topo maps etc. A range finder can help determine shorter distances out yds A GPS can provide the North and West coordinates as well elevation, even compass readings 73 Presentation Ira Sharp 20 April 2010
71 Understanding Antennas: The Importance of Aiming / Alignment Moving an antenna just a few degrees can have a huge impact on signal strength, especially over long distances 74 Presentation Ira Sharp 20 April 2010
72 This 1 mile 900MHz FHS failed.. Not a good practice installation The Signal could not get through the forest of leaves 75 Presentation Ira Sharp 20 April 2010 This client also violated FCC rules; exceeding the 6 db signal gain limit for this unlicensed frequency band
73 Antennas?.. Possibly a Well Field SCADA Site, a wireless long range network Here a YAGI is aimed into an OMNI RF pattern. For long range linking typical setups use an OMNI at the Master, YAGIs at the slaves, - multipoint to point 76 Presentation Ira Sharp 20 April 2010
74 Stealth Antenna Masts 77 Presentation Ira Sharp 20 April 2010
75 Determining Antenna Alignment Height - Must increase with Range: 22 feet for 1 mile 51 feet for 5 miles 88 feet for 15 miles 78 Presentation Ira Sharp 20 April 2010
76 How far will it go??? Ethernet RAD mile link 79 Presentation Ira Sharp 20 April 2010
77 The Importance of Aiming Proximity to Other Antennas There has to be separation from other antennas For 900MHz a 6 feet vertically or 10 feet Horizontal is the norm Keep out of radiation path of other antennas Reading RF strength, data transfer rates etc. at the radio is also an effective aid for positioning and aiming antennas 80 Presentation Ira Sharp 20 April 2010
78 Wireless: Performance Vs Distance - A wireless network is only as good as its weakest link! 81 Presentation Ira Sharp 20 April 2010
79 Antenna Mounting Use proper mounting hardware Place away from obstructions such as buildings, metal objects and dense foliage Align polarization (vertical most common) Cross-polarization can cause signal loss of 20 db or more 82 Presentation Ira Sharp 20 April 2010
80 Feed Line Loss Chart 900 MHz Radio Systems (per 100 ft) Cable Type Attenuation (db) RG LMR RG RG LMR LMR LMR Choice of feed line depends on: length required to reach antenna amount of signal loss tolerable cost considerations Using the wrong cable can reduce efficiency Longer distance = low-loss cable recommended Shorter distance = less efficient cable is acceptable 83 Presentation Ira Sharp 20 April 2010
81 A Trusted System has quality components and quality terminations Your system will perform only as good as it s weakest link. Here the contractor chose to cut and trace this coax through an under sized conduit. His field termination failed at the antenna 84 Presentation Ira Sharp 20 April 2010
82 The Importance for Surge Protection & grounding / bonding A best practice discussion PTZ camera 85 Presentation Ira Sharp 20 April 2010
83 The importance for grounding & surge protection best practices RT U 86 Presentation Ira Sharp 20 April 2010
84 Applications Different applications have different requirements Things to consider How far does the signal need to go? Feet, Miles, Country, World What is the density of the nodes? Remote, Dense What update times are required? Days, Hours, Minuets, Seconds, Milliseconds What type of data will be communicated? I/O, Serial, Kbps, Mbps, Gbps Is power available? Hardwired, Battery, Solar 87 Presentation Ira Sharp 20 April 2010
85 Path Study Process Path Software Studies 88 Presentation Ira Sharp 20 April 2010
86 Site Selection Protect the radio from harsh exposure Provide a source of adequate & stable power Contain suitable entrances for antenna and required cabling Select Antenna locations that provides an unobstructed transmission path in the direction of the associated remote(s) 89 Presentation Ira Sharp 20 April 2010
87 900MHz Wireless Serial/IO Applications Eliminate Sensor Wire (Wire-In, Wire-Out) Monitoring and Controlling Simple IO PLC to PLC IO communications Need Tank levels and Pump control Control Station 90 Presentation Ira Sharp 20 April 2010
88 Wireless IO Scenarios Analog (Out) Long Distance Wireless IO 3 Miles Higher transmission power Analog (In) Wireless IO through walls and obstructions 91 Presentation Ira Sharp 20 April 2010
89 Application Wireless I/O (Long Distance) Application An analog signal needs to be collected from a remote pumping station. Which reports the level of the water tank. Problem Laying cable and conduit is simply to costly. The distance was 5200 and cable must be run under two roads. 92 Presentation Ira Sharp 20 April 2010
90 Application Long distance communications at 5200 feet Wire in/ Wire out need Analog (Out) 5200ft Higher transmission power Analog (In) 93 Presentation Ira Sharp 20 April 2010
91 Application Wireless I/O (Short Distance) Application Collect data from various sensors located on machinery that will be used for predictive maintenance. Problem There is no easy way to wire sensors located on the machinery back to a PLC to be monitored. There are many obstructions and this is a high noise environment that does not lend well to parallel wiring. 94 Presentation Ira Sharp 20 April 2010
92 Application Proprietary Wireless Solution Make a wired sensor, wireless Wire in/ Wire out technology can make this happen today Radios must be wired for power or solar powered Higher transmission power 95 Presentation Ira Sharp 20 April 2010
93 Application WSN Solution Wired sensors can still be made wireless The WSN radios will Mesh in small clusters WSN radios are battery powered. No hard wiring needed. WSN is made for short distances a Long Hall radio will be needed Higher transmission power WSN to Long Hall WSN 96 Presentation Ira Sharp 20 April 2010
94 Application Serial Application Tank levels must be monitored from a verity of tanks. This information must be collected by a PLC. Problem The tanks are spread over a vary large area and it is simply to costly to run cable and conduit to each location. 97 Presentation Ira Sharp 20 April 2010
95 Application I/O is collected at each tank, reported to the radio, Then sent too the master PLC. This can be more reliable then wired connections as there is no worry that a trenched cable will become damaged over time. Higher transmission power 98 Presentation Ira Sharp 20 April 2010
96 Application Ethernet Application An existing security system has become antiquated. This system needs updated and new cameras must be installed. Problem The locations where new cameras must be installed are to difficult or expensive to wire for connection. 99 Presentation Ira Sharp 20 April 2010
97 Application Ethernet Cameras or Analog cameras processed with a video server can be connected to the Ethernet Radios The video will be streamed to the master radio and can be archived or viewed at the master station High Speed Transmission 100 Presentation Ira Sharp 20 April 2010
98 Application Serial and IO Application The contents of trucks transporting various materials needs to be monitored for temperature, quantity, and location for quality purposes. Problem The trucks transport these materials around the United States and Canada. Currently a PLC is used to monitor temperature and quantity of the material although this data can only be downloaded when the truck is parked at its destination. 101 Presentation Ira Sharp 20 April 2010
99 GSM/GPRS GSM Global System for Mobile Communications GSM (Voice Network) Talk to any device connected to the PSTN SMS FAX Etc. PSTN SMS )))) FAX Output * PSTN Public Switched Telephone Network 102 Presentation Ira Sharp 20 April 2010
100 Application GSM/GPRS Data-loggers or PLCs are used to collect and archive data GSM/GPRS modem will provide international access to the cellular network. This allows for monitoring of the truck and its contents. Internet GPRS GPS GPS 103 Presentation Ira Sharp 20 April 2010
101 Success stories San Antonio Wastewater System Application The San Antonio wastewater treatment plant needed visual alarm beacons and audible hours to warn of hazardous conditions Wireless Solution Trusted Wireless I/O Radios were used as a wireless conduit for triggering remote indicators and alarms. ROI SAWS quickly and easily implemented an alarm system that notifies their employees of potentially hazardous conditions. By using Trusted Wireless I/O, the company avoided the high costs of installing wire and conduit. 104 Presentation Ira Sharp 20 April 2010
102 Success stories San Antonio Water System Application San Antonio Water System measures water usage and flow to customers. Their old SCADA system used expensive, unreliable leased-line phone subscription. Wireless Solution The leased-line phone system was replaced with Trusted Wireless Data Radios. This Trusted Wireless network provides real-time stream usage and flow measurements from each of the customer sites. ROI SAWS calculated a two-year payback in lease-line cost with the purchase of the Trusted Wireless Data Radio network. In addition, SAWS gained savings through increased reliability, and by eliminating site visits to manually record data when the leased-lines where in repair 105 Presentation Ira Sharp 20 April 2010
103 900 MHz Ethernet Applications Remote tank monitoring (Water anything, Chemical) SCADA (process, water towers, sewage) Security and surveillance (non-streaming) Utilities (Water/Waste water, etc, etc) Municipalities 106 Presentation Ira Sharp 20 April 2010
104 Wireless Ethernet Scenario Wireless Data and IO access IO to MODBUS RTU Registers Remote PLC access for Polling and programming Remote PLC access for Polling and programming 107 Presentation Ira Sharp 20 April 2010
105 WLAN Scenario High Speed Wireless Data and IO access High Speed Transmission 108 Presentation Ira Sharp 20 April 2010
106 And now. Cellular GSM/GPRS Technology Very Long distances - international. Mobile applications Challenging RF environments Ease/speed of implementation Polled Data and event signaling for process applications. Telemetry for SCADA. Serial data radio 109 Presentation Ira Sharp 20 April 2010
107 Wireless Ethernet Applications Plant Networking Mobile Networking Access Security Control 110 Presentation Ira Sharp 20 April 2010
108 Monitoring and Control Point to Point Trusted Wireless I/O Typical Applications Monitoring and controlling Tanks and Wells Monitoring and controlling Pumping Stations Need Tank levels and Pump control Control Station 111 Presentation Ira Sharp 20 April 2010
109 Trusted Wireless Data Typical Applications Tank Monitoring Irrigation Systems Pipe Line Monitoring 112 Presentation Ira Sharp 20 April 2010
110 Wireless: Performance Vs Distance - A wireless network is only as good as its weakest link! 113 Presentation Ira Sharp 20 April 2010
111 114 Presentation Ira Sharp 20 April 2010 Q & A
112 Welcome to PHOENIX CONTACT Thank You Stewart Wilson Project Engineer Central Region
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