Endress+Hauser RIA 261 Technical Information
Digital loop-powered field display
for 4 to 20 ma current loops
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Also See for RIA 261:
- Operating instructions manual (124 pages) ,
- Operating instructions manual (98 pages)
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Technical information
Field display
RIA 261
Digital loop-powered field display
for 4 to 20 mA current loops
Features and benefits
• Loop-powered display, no additional power supply
cable required
• 5 digit LC display, 26 mm height
• Trend bargraph in 10% steps
• Rear illumination without additional power supply
• Measurement range displayed from -19999 to 99999
• Flexible measurement range set up using three push
buttons
• Certification
- ATEX
- FM
- CSA
• GL Germanischer Lloyd Marine approval
• Two cable entries for wiring the measurement circuit
• Space for installing additional measurement electron-
ics, e.g. temperature head transmitters
• Housing can be lead sealed
• Protection class IP66/NEMA 4X
®
• GORE-TEX
membrane for pressure compensation
TI083R/09/en
51002768
Application
• Plant and machine construction
• Field mounted applications
• Laboratory fittings
• Process display, monitoring
• Suitable for Ex application
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Summary of Contents for Endress+Hauser RIA 261
- Page 1 Technical information Field display RIA 261 Digital loop-powered field display for 4 to 20 mA current loops Features and benefits Application • Plant and machine construction • Loop-powered display, no additional power supply cable required • Field mounted applications • Laboratory fittings •...
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Page 2: Function And System Design
Setting up during operation is possible. The rear illuminated display is always active and needs no further wiring for its energy requirement. Input Measured variable Current Measuring range 4 to 20 mA (polarity protected) Electrical specifications • Volt drop (load) < 2.5 V • Max. input current (short circuit current) 200 mA Endress+Hauser... -
Page 3: Auxiliary Energy
Connection terminal for further instrumentation Terminal Supply voltage The power supply is done using the 4 to 20 mA current loop power. Volt drop: < 2.5 V Cable entry 2 x M20 cable entries Alternative: 2 x ½" NPT cable entries Endress+Hauser... -
Page 4: Performance Characteristics
• ESD to IEC 61000-4-2, 6 kV/ 8 kV • Electromagnetic fields to IEC 61000-4-3, 10 V/m • Burst (power supply) to IEC 61000-4-4, 4 kV • Surge to IEC 61000-4-5, 1 kV • Cable high frequency to IEC 61000-4-6, 10 V Endress+Hauser... -
Page 5: Mechanical Construction
• Plug in screw terminals inside the housing in order enable loop current connection: Plug on screw terminals, terminal size 1.5 mm² solid core, 1.0 mm² stranded with ferrule • Earth (ground) connection on housing exterior: Terminal range 2.5 mm² Endress+Hauser... -
Page 6: Human Interface
Certificates and approvals The measurement system fulfils the legal requirements laid out within the EU regulations 89/336/EWG. Endress+Hauser acknowledges successful testing of the unit by adding the CE mark. Ex approval Details regarding the availability of the Ex versions (ATEX, FM, CSA, etc.) can be obtained from your local E+H sales organisation. -
Page 7: Further Documentation
Wall and stand pipe mounting kit, pos. B (with tension tape installation, pos. A) Order number 51003502 Further documentation • Operating manual process display RIA 261 (BA111R/09/) • Ex additional documentation: ATEX (XA007R/09/a3) FM, CSA, etc. • Brochure "System Components" (FA016K/09/en) - Page 8 Subject to modification International Head Quarter Endress+Hauser GmbH+Co. KG Instruments International Colmarer Str. 6 79576 Weil am Rhein Germany Tel. +49 76 21 9 75 02 Fax +49 76 21 9 75 34 5 www.endress.com info@ii.endress.com TI083R/09/en/05.05 51002768 FM+SGML 6.0...
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