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GE FANUC. Redundant Wireless Data Communication Systems. www.data-linc.com DATA-LINC GROUP 33535 Factoria Blvd SE Suite 100 Bellevue, WA 98006 Phone: (425) 882-2206 Fax: (425) 867-0865 Email: [email protected]. Industrial Data Communication Experts. DATA-LINC Overview. - PowerPoint PPT Presentation
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Industrial Data Communication ExpertsIndustrial Data Communication Experts
www.data-linc.com
DATA-LINC GROUP33535 Factoria Blvd SESuite 100Bellevue, WA 98006Phone: (425) 882-2206Fax: (425) 867-0865Email: [email protected] GE FANUC
Redundant Wireless Data Communication Systems
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DATA-LINC Overview
GE Fanuc GE Fanuc Accompany PartnerAccompany Partner Manufacturer of communication solutions Manufacturer of communication solutions
for industrial marketsfor industrial markets Broad line of solutions Broad line of solutions (private RF, (private RF,
dial-up/leased line, dedicated wire & fiber optics)dial-up/leased line, dedicated wire & fiber optics) Factory pre-configuration prior to shippingFactory pre-configuration prior to shipping On-site GE PLCs for testing & supportOn-site GE PLCs for testing & support
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Wireless Technology Why consider wireless?Why consider wireless?
Cable installation/maintenance is expensive Cable installation/maintenance is expensive (ROI)(ROI)
Cable installation is impossibleCable installation is impossibleMoving/spinning platformsMoving/spinning platformsRemote locationsRemote locations
Phone company reliability is questionablePhone company reliability is questionable RF back-up to a wired systemRF back-up to a wired system
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Wireless Technology
Smart SpectrumSmart Spectrum
Designed for industrial applicationsDesigned for industrial applications Spread spectrum Spread spectrum (no FCC/DOC site license)(no FCC/DOC site license)
902-928 MHz or 2.4 GHz band902-928 MHz or 2.4 GHz band Advanced frequency hopping techniquesAdvanced frequency hopping techniques Field proven predictable performance in high interference Field proven predictable performance in high interference
and harsh environmentsand harsh environments Range to 20 miles without repeatersRange to 20 miles without repeaters
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Wireless Technology Tolerant of multi-path reflections for indoor Tolerant of multi-path reflections for indoor
applicationsapplications Supports 15 separate systems in the same Supports 15 separate systems in the same
location (ideal for redundancy)location (ideal for redundancy) Provides automatic modem linkingProvides automatic modem linking
Back-up modem connects without Back-up modem connects without interventionintervention
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Wireless Technology Radio modems for SNP, CCM, Modbus Radio modems for SNP, CCM, Modbus
ASCII/RTU (SRM6000) and Ethernet ASCII/RTU (SRM6000) and Ethernet (SRM6200E)(SRM6200E)
Non-deterministic by nature (10-30 msec latency-Non-deterministic by nature (10-30 msec latency-varies based on interference level)varies based on interference level)
Ideal for 90-30 & 90-70 PLC SCADA, remote Ideal for 90-30 & 90-70 PLC SCADA, remote diagnostics/programming and control applicationsdiagnostics/programming and control applications
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Multi-point Wireless PLC Example
DATA -LINCRADIO MODEM
DATA -LINCRADIO MODEM
Master PLC or PC
DATA -LINCRADIO MODEM
GE 90-30/70
PLC
GE 90-30/70
PLC
GE 90-30/70
PLC
Slave PLC
Slave PLCSlave
Master
Slave
Range of 20 miles with line-of-sight antenna placement
Serial or Ethernet interface
Serial or Ethernet interface
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Wireless as a Back-up
Radio modems may be used to back-up a Radio modems may be used to back-up a hard wired systemhard wired system
Provides insurance in case of cable damageProvides insurance in case of cable damage
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Wireless Back-up of PLC Communications
Master PLC or PC
Slave PLC
DATA -LINCSRM6000
RADIO MODEM
GE 90-30/70
PLC
Slave
DATA -LINCSRM6000
RADIO MODEM
GE 90-30/70
PLC
Master
Copper or Fiber Cable
Normal Operation
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Wireless Back-up of PLC Communications
Master PLC or PC
Slave PLC
DATA -LINCSRM6000
RADIO MODEM
GE 90-30/70
PLC
Slave
DATA -LINCSRM6000
RADIO MODEM
GE 90-30/70
PLC
Master
Copper or Fiber Cable
Cable break
Back-up Mode Over RF Link
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Radio Modem Redundancy
Most common radio modem failures:Most common radio modem failures: Lightning hit on/near antennaLightning hit on/near antenna Static electricity build-up on antennaStatic electricity build-up on antenna Surge from power sourceSurge from power source Ground loop surges via interface cableGround loop surges via interface cable
Redundancy should take into account these Redundancy should take into account these causescauses
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PLC
Radio Modem
Antenna
DC Power Source
Lightning Arrestor
Earth Ground
Common Causes of Communications Failure
DATA Interface
Lightning Hit
Static Build-up
Power Surge
Ground Loop
RF
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Radio Modem Redundancy
Ideal radio modem redundancyIdeal radio modem redundancy Separate primary/secondary radio modemsSeparate primary/secondary radio modems Separate antennas with masts at least 50 Separate antennas with masts at least 50
feet apartfeet apart Separate power sourcesSeparate power sources Optical isolation on data interfaces Optical isolation on data interfaces
(especially on long cable runs)(especially on long cable runs)
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Ideal Radio Modem Redundancy
Redundant GE PLC
DC Power (Secondary)
Primary
Secondary
Radio Modem(Primary) Lightning
Arrestor
Radio Modem(Secondary) Lightning
Arrestor
DC Power (Primary)
Optical isolation
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Radio Modem Redundancy
Modem activation methodsModem activation methods PLC program controls modem power PLC program controls modem power
Apply power to the appropriate Apply power to the appropriate modemmodem
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Redundant Slave with Power Switching
DATA -LINCRADIO MODEM
Master PLC or PC
DATA -LINCRADIO MODEM
GE 90-30/70
PLC
GE 90-30/70
PLC
Redundant GE PLC
Slave PLCSlave
Master
DATA -LINCRADIO MODEM
PrimaryPrimary
Secondary DATA -LINC
RADIO MODEM
Secondary
Power On
Power Off
Primary Active
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PLC System with Redundant Slave
DATA -LINCRADIO MODEM
Master PLC or PC
DATA -LINCRADIO MODEM
GE 90-30/70
PLC
GE 90-30/70
PLC
Redundant GE PLC
Slave PLCSlave
Master
DATA -LINCRADIO MODEM
PrimaryPrimary
Secondary DATA -LINC
RADIO MODEM
Secondary
Power Off
Power On
Secondary Active
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Radio Modem Redundancy
Modem activation methods (continued)Modem activation methods (continued) All slave modems active All slave modems active
Master PLC/PC must poll appropriate Master PLC/PC must poll appropriate slave PLCslave PLC
Only one slave PLC may respond at a Only one slave PLC may respond at a timetime
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PLC System with Redundant Slaves
DATA -LINCRADIO MODEM
Master
DATA -LINCRADIO MODEM
Primary Slave
Redundant GE PLC
Primary
Secondary DATA -LINC
RADIO MODEM
Secondary Slave
DATA -LINCRADIO MODEM
Primary Slave
Redundant GE PLC
Primary
Secondary DATA -LINC
RADIO MODEM
Secondary Slave
All Slaves Active
HMI or Programming
Station
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Radio Modem Redundancy
Modem activation methods (continued)Modem activation methods (continued) Combination master & slave Combination master & slave
Master selected by powerMaster selected by powerAll slaves activeAll slaves active
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PLC System with Redundant Master & Slave
DATA -LINCRADIO MODEM
Primary Master
DATA -LINCRADIO MODEM
Primary Slave
Redundant GE PLC
Primary
Secondary DATA -LINC
RADIO MODEM
Secondary Slave
DATA -LINCRADIO MODEM
Primary Slave
Redundant GE PLC
Primary
Secondary DATA -LINC
RADIO MODEM
Secondary Slave
DATA -LINCRADIO MODEM
Secondary Master
Redundant GE PLC
Primary
Secondary
Primary Master Active
Power On
Power Off
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PLC System with Redundant Master & Slave
DATA -LINCRADIO MODEM
Primary Master
DATA -LINCRADIO MODEM
Primary Slave
Redundant GE PLC
Primary
Secondary DATA -LINC
RADIO MODEM
Secondary Slave
DATA -LINCRADIO MODEM
Primary Slave
Redundant GE PLC
Primary
Secondary DATA -LINC
RADIO MODEM
Secondary Slave
DATA -LINCRADIO MODEM
Secondary Master
Redundant GE PLC
Primary
Secondary
Secondary Master Active
Power On
Power Off
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Summary RF may be an effective back-up to copper or RF may be an effective back-up to copper or
fiber optic cablefiber optic cable Smart SpectrumSmart Spectrum ideal for redundant PLC ideal for redundant PLC
applicationsapplications Linking technique provides automatic Linking technique provides automatic
modem synchronizationmodem synchronization 15 separate systems may operate in same 15 separate systems may operate in same
areaarea
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Summary
Future Future DATA-LINCDATA-LINC Product Innovations Product Innovations The SRM6000 & SRM6200E are The SRM6000 & SRM6200E are
intelligent micro-processor controlled intelligent micro-processor controlled modemsmodems
Modem features can be added via Modem features can be added via firmware program changesfirmware program changes
What are your requirements?What are your requirements?
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The Industrial Data The Industrial Data Communication ExpertsCommunication Experts
DATA-LINC GROUP3535 Factoria Blvd SESuite 100Bellevue, WA 98006Phone: (425) 882-2206Fax: (425) 867-0865Email: [email protected]
www.data-linc.comGE FANUC
