Dave Wilson, Editor, writes:
We see from your search that you're looking for information on the term "Galvanic Isolation",
and we have a large number of manufacturers' news releases and technical articles here on Engineeringtalk which will be of interest.
Let me be your guide.
Start with
the news release Transmitters suit varied applications from
Baumer Group, which we summarised at the time by saying "FlexTop versions 2211, 2221 and 2231 allow the input to be configured for a resistance thermometer as well as for thermocouples, resistance sensors and current or voltage signals".
A few weeks before,
we featured the news release Communications isolator makes displays safer from
Beka associates: "The new BA201 communications isolator has RS232 and RS485 safe area ports enabling multidrop display systems to be constructed".
In November 2007, we covered the news from Pepperl+Fuchs GB
concerning its FieldConnex Ethernet isolators
- take a look at Ethernet isolators tolerate hazardous jobs
which says: "FieldConnex Ethernet Isolators combine intrinsically safe energy limitation and galvanic isolation in one product".
Take a look also at the news release from DeltaSense, Inverter drive offers easy startup,
as well as Sensors handle tough environments from Baumer Group,
and Routers handle harsh environments from Westermo Data Communications.
See also:
Temperature instrument handles tough environments
(September 2007)
TEMPpoint is designed to protect the signal integrity of all 48 channels in even the harshest environments
Operator terminal suits hazardous areas
(July 2007)
Mercury IMC's new Mercury Operator Terminal can be used around flammable vapours and dust hazards
Adapter connects devices over network
(March 2007)
Westermo Data Communications' IDW-90 industrial ISDN terminal adapter is aimed at utilising existing communications technology and has been designed to meet the European ISDN standard DSS1
Adapter brings serial devices to Ethernet
(October 2006)
Low-cost high-specification Ethernet to serial adapter connects existing serial equipment and devices to new Ethernet networks
Line extender links industrial Ethernets
(February 2006)
Line extender for connecting two networks over long distances via twisted pair cable can use existing wiring to link remote sites to a central industrial Ethernet network
Industrial modem connects remote devices to web
(January 2006)
Using a fixed public IP address SIM card, GSM and GPRS modem can provide a direct IP connection to remote devices allowing them to be viewed from anywhere in the world
Media convertor finds fault with Ethernet
(October 2005)
A new compact industrial Ethernet FX/TX media convertor has the ability to report and pass forward linking faults
Serial adapter handles harsh industrial conditions
(August 2005)
A new low-cost high-specification Ethernet to serial adapter connects existing serial equipment and devices to new Ethernet networks
Isolating repeater is intrinsically safe
(April 2005)
A new intrinsically safe isolating repeater from R Stahl Schaltgeraete provides EX-safe electrical isolation between two earthed circuits
Convertor links incompatible industrial systems
(April 2005)
Westermo has introduced a high-integrity communications convertor for technicians wanting to link incompatible industrial systems over a serial link
LC Automation takes Westermo range into portfolio
(March 2005)
LC Automation has taken what it described as an extensive range of high performance Westermo products in to its portfolio are now available, making Westermo LC's 21st franchised supplier
Modular power supply feeds Fieldbus devices
(November 2004)
Pepperl+Fuchs is introducing the FieldConnex Fieldbus Power Hub (FPH), the latest component-level solution to its popular FieldConnex fieldbus installation system
USB data acquistion 25% cheaper
(November 2004)
USB-based data acquisition has now become more affordable thanks to average price reductions of 25 per cent, according to Data Translation
Low-profile relay fills a niche
(August 2004)
New from Crydom are the CR series of low profile SIL type relays, measuring just 5mm in width
True RMS voltage transducers in the loop
(July 2004)
The ATVR series of voltage transducers offers true RMS measurement of AC voltage at 120, 250 and 400V
Where conductivity is key
(July 2004)
The InduMax P CLS 50 inductive conductivity sensor is robust and reliable
pH sensor remembers its own data
(June 2004)
The MemoSens digital pH sensor is billed as the first sensor on the market to allow important process data to be saved directly in the sensor
Isolation provides peace of mind
(May 2004)
The MultiRail, like all current transformer (CT) operated meters supplied by Northern Design, has fully isolated current inputs
Choice of sensors for Hart field transmitter
(April 2004)
The iTemp TMT 162 Hart field transmitter has now been cleverly combined with a compact thermocouple (TMT 162C) and a compact RTD assembly (TMT 162R) for maximum versatility
Plug-and-play operation for novel low-cost drive
(March 2004)
The FC750 is a novel 'plug and play' IP54 digital inverter that answers increasing market demand for a simplified, robust, low-cost AC motor drive
Industrial ethernet switches feature three ports
(March 2004)
Westermo Data Communications is releasing a new range of industrial ethernet switches designed to provide very high dependability in harsh environmental conditions
Convertors extend serial device reach on Ethernet
(December 2003)
Westermo has updated its range of industrial Ethernet convertors with an all-new dual serial to Ethernet device and significant enhancements to the ED-20 industrial router and ED-10 UDP convertor
Profibus transmitter tackles weighty tasks
(July 2003)
Sartorius has a new reliable and highly accurate ProfiBus transmitter for weight acquisition
UPS systems shed light on Thames crossing
(May 2003)
Socomec UPS has supplied ten of its high-spec Digys UPS systems to electrical contractor, Field Systems Design to back up the tunnel lighting and control systems at Dartford Thurrock Crossing
Modular UPS assures single- or three-phase supply
(April 2003)
The 19in rack-mount units in the Multi Dialog-R UPS range can be installed individually, in parallel or as an N+1 configuration, to guarantee the ultimate protection for any application
Safety first for temperature transmitter
(April 2003)
The iTemp TMT 162 Hart field transmitter is ideal for the demands of the chemical, petrochemical and oil and gas industries
UPS systems keep monitoring instruments online
(March 2003)
Enviro Technology Services turns to Riello Galatrek to supply the uninterruptible power systems needed to keep its installations running when the mains power fails
Galvanic isolation UPS for critical installations
(February 2003)
Advance Galatrek has a new range of galvanic-isolation single- or three-phase in, single-phase out uninterruptible power systems
Rack-mounting supplies provide compact backup
(November 2002)
Advance Galatrek has a new range of digital line interactive sinewave UPS systems, designed to fit on a standard 19in rack-mount cabinet tray
Current transducers for milliamp accuracy
(October 2002)
The DF series of current transducers provides accurate measurement of low DC currents from 10 to 500mA without breaking the primary cable
Signal conditioners and monitoring relays
(August 2002)
IPC Systems has a cost effective range of signal conditioners and monitoring relays to compliment data acquisition and monitoring equipment
Drives cut control panel real estate and cabling
(July 2002)
Danfoss Motion Controls has responded to growing market demand for physical space and cable economies on multimotor installations with the launch of the Decentral range of motor controllers
Local motor control made easy
(July 2002)
Hard on the heels of the launch of the Decentral VLT FCD 300 variable-speed drive, Danfoss has released a matching Decentral motor switch DMS 300, for cage motors up to 3kW
Transformerless or transformer-based online UPS?
(May 2002)
Nathan Briggs, Managing Director - Technical of Advance Galatrek, looks at the relative merits of the two different online UPS technologies