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Technical Information
Cubemass DCI
Coriolis mass flow measuring system
Applications
The Coriolis measuring principle operates independently
of physical fluid properties.
• Fluid temperatures up to +200 °C (+392 °F)
• Process pressures up to 400 bar (5800 psi)
• Mass flow measurement up to 1000 kg/h
(36.75 lb/min)
Approvals for hazardous area:
• ATEX, NEC/CEC, NEPSI
Connection to commonly used process control systems:
• MODBUS RS485
TI099D/06/en/04.10
71112154
Your benefits
The Cubemass DCI make it possible to simultaneously
record several process variables (mass/density/
temperature) for various process conditions during
measuring operation.
The transmitter concept includes:
• FieldCare for onsite operation and diagnosis
• Very low power consumption
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Summary of Contents for Endress+Hauser Cubemass DCI
- Page 1 Coriolis mass flow measuring system Applications Your benefits The Coriolis measuring principle operates independently The Cubemass DCI make it possible to simultaneously of physical fluid properties. record several process variables (mass/density/ temperature) for various process conditions during • Fluid temperatures up to +200 °C (+392 °F) measuring operation.
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Page 2: Table Of Contents
Cubemass DCI Table of contents Function and system design..... 3 Operating conditions: Process ....15 Measuring principle . -
Page 3: Function And System Design
Cubemass DCI Function and system design Measuring principle The measuring principle is based on the controlled generation of Coriolis forces. These forces are always present when both translational and rotational movements are superimposed. = 2 · Δm (v · ω) = Coriolis force Δm = moving mass... -
Page 4: Measuring System
Cubemass DCI Measuring system The measuring system consists of a transmitter and a sensor. Two versions are available: • Compact version: transmitter and sensor form a mechanical unit. • Remote version: transmitter and sensor are mounted physically separate from one another. -
Page 5: Input
Cubemass DCI Input Measured variable • Mass flow (proportional to the phase difference between two sensors mounted on the measuring tube to register a phase shift in the oscillation) • Volume flow (calculated using mass flow and density) • Fluid density (proportional to the resonance frequency of the measuring tube) •... -
Page 6: Output
Cubemass DCI Output Output signal Current output Active/passive selectable, galvanically isolated, time constant selectable (0.05 to 100 s), full scale value selectable, temperature coefficient: typically 0.005% o.f.s. / °C, resolution: 0.5 μA < 700 Ω, R ≥ 250 Ω (HART) •... -
Page 7: Power Supply
Cubemass DCI Power supply Electrical connection Measuring unit HART –/b MODBUS RS485 a/a b/b –/c HART MODBUS RS485 – 27 A (RxD/TxD-N) + 26 B (RxD/TxD-P) – 25 – + 24 – 23 – + 22 – 21 – + 20... -
Page 8: Electrical Connection, Terminal Assignment
Cubemass DCI Electrical values for inputs/outputs È Operating Instructions Electrical connection, terminal assignment Terminal No. (inputs/outputs) Order version 20 (+) / 21 (-) 22 (+) / 23 (-) 24 (+) / 25 (-) 26 (+) / 27 (–) Fixed communication boards (permanent assignment) -
Page 9: Cable Specifications
Cubemass DCI Cable specifications Any suitable cable with a temperature specification of at least 20 °C (68 °F) higher than the ambient temperature of the application. We recommend the use of a cable with a temperature specification of +80 °C (+176 °F). -
Page 10: Performance Characteristics
0.002 0.00007 1/8" 0 to 450 0 to 16.5 0.014 0.0005 ¼" 0 to 1000 0 to 37 0.02 0.0007 Example of maximum measured error kg/h lb/min A0011691 Max. measured error in % o.r. (example: Cubemass DCI, DN 1) Endress+Hauser... -
Page 11: Repeatability
Cubemass DCI Flow values (examples) Basis for calculations→ ä 11. Flow rate Maximum measured error [kg/h] [lb/min] [% o.r.] 0.0037 0.0257 0.114 0.0919 0.5513 Basis for calculations→ ä 11. Repeatability o.r. = of reading Mass flow and volume flow (liquids) •... -
Page 12: Operating Conditions: Installation
Cubemass DCI Operating conditions: Installation Installation instructions Note the following points: • The measuring device is designed for mounting on tabletops, walls or pipes. • The high oscillation frequency of the measuring tubes ensures that the correct operation of the measuring system is not influenced by pipe vibrations. -
Page 13: System Pressure
Cubemass DCI System pressure It is important to ensure that cavitation does not occur as it could influence the oscillation of the measuring tube. No special measures need to be taken for fluids which have properties similar to water under normal conditions. -
Page 14: Operating Conditions: Environment
Cubemass DCI Operating conditions: Environment Ambient temperature range Sensor and transmitter: • Standard: –20 to +60 °C (–4 to +140 °F) • Optional: –40 to +60 °C (–40 to +140 °F) Note! • Install the device in a shady location. Avoid direct sunlight, particularly in warm climatic regions. -
Page 15: Operating Conditions: Process
Cubemass DCI Operating conditions: Process Medium temperature range Sensor • –50 to +200 °C (–58 to +392 °F) Seals • Only for mounting kits with threaded connections: – Viton: –15 to 200 °C (–5 to +392 °F) – EPDM: –40 to +160 °C (–40 to +320 °F) –... -
Page 16: Pressure Loss (Us Units)
Pressure loss depends on the nominal diameter and the fluid properties. The "Applicator" PC software is available from Endress+Hauser and can be used to calculate the pressure loss in US units. The "Applicator" program contains all the important device data which allows the measuring system arrangement to be optimized. -
Page 17: Mechanical Construction
Cubemass DCI Mechanical construction Design/dimensions Field housing compact version (non-hazardous area II2G / zone 1) A0011849 Dimensions in SI units 120 291.2 269.3 175 187.5 5.35 * Blind version (without local display) DN 1 to 4: 4-VCO-4 DN 6: 8-VCO-4... - Page 18 Cubemass DCI Transmitter, remote version, connection housing (II2G/zone 1) Nicht-eigensichere Stromkreise durch IP40-Abdeckung geschützt Non-intrinsically safe circuits Ip40 protected Boucles de courant – sans sécurité intrinsèque protégées par Ip40 A0006999 Dimensions in SI units ∅ 8.6 (M8) * Blind version (without local display)
- Page 19 Cubemass DCI Transmitter, remote version, wall-mount housing (non-hazardous area) A0001150 Dimensions in SI units 90.5 159.5 > 50 2 × ∅ 6.5 81.5 11.5 8 × M5 Securing screw for wall mounting: M6 (screw head max. 10.5 mm) All dimensions in [mm] Dimensions in US units 8.46...
- Page 20 Cubemass DCI Sensor remote version, connection housing A0012360 Dimensions in SI units 1 to 6 All dimensions in [mm] Dimensions in US units 1/24 to ¼" 6.42 5.63 6.89 4.02 5.24 9.25 5.08 4.72 All dimensions in [inch] Endress+Hauser...
- Page 21 Cubemass DCI 4-VCO-4 connection (welded; DN 1 to 4) 8-VCO-4 connection (welded; DN 6) ±1.0 (±0.04) mm (inch) A0012329 Dimensions in SI units 4-VCO-4 / 8-VCO-4 connection: 1.4539/904L 1 to 4 AF 11/16" 12.5 AF 1" All dimensions in [mm] Dimensions in US units 4-VCO-4 / 8-VCO-4 connection: 1.4539/904L...
- Page 22 Cubemass DCI 4-VCO-4 connection with mounting kit: DN 15 flange (DN 1 to 4) 8-VCO-4 connection with mounting kit: DN 15 flange (DN 6) ±1.5 (±0.06) mm (inch) A0012330 Dimensions in SI units Mounting kit DN 15 flange EN 1092-1 (DIN 2501) PN 40: 1.4539/904L 1 to 6 17.3...
- Page 23 Cubemass DCI 4-VCO-4 connection with mounting kit: NPT-F (DN 1 to 4) 8-VCO-4 connection with mounting kit: NPT-F (DN 6) +1.5 (+0.06) –2.0 (–0.08) mm (inch) A0012332 Dimensions in SI units Mounting kit NPT-F connection: 1.4539/904L 1 to 4 AF ¾"...
- Page 24 Cubemass DCI Purge connections / secondary containment monitoring " Caution! The secondary containment is filled with dry nitrogen (N ). Do not open the purge connections unless the containment can be filled immediately with a dry inert gas. Use only low overpressure to purge.
- Page 25 Cubemass DCI Rupture element/disk The sensor housing is optionally available with an integrated rupture element. Warning! • Make sure that the function of the rupture element is not impeded by the installation. The triggering pressure in the housing is indicated on the information notice. Take suitable measures to ensure that no damage can occur if the rupture disk is tripped and personal injury is ruled out.
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Page 26: Weight
Cubemass DCI A0012349 Dimensions with rupture element/disk Sensor housing with rupture element (incl. rupture disk) Sensor housing with rupture disk Dimensions in SI units 1 to 6 approx. 42 ½" NPT AF 1" All dimensions in [mm] Dimensions in US units 1/24 to ¼"... -
Page 27: Material
Cubemass DCI Material Transmitter housing • Compact version – Aluminum housing: powder-coated die-cast aluminum • Remote version – Wall-mount housing: powder coated die-cast aluminum – Field housing: powder-coated die-cast aluminum Sensor connection housing (remote version) • Powder-coated die-cast aluminum Sensor housing / secondary containment •... -
Page 28: Process Connections
Cubemass DCI Flange connections as per JIS B2220 (mounting kit) Wetted parts (flange, measuring tube): 1.4539/904L Loose flanges (not wetted): 1.4404/316L [psi] [bar] -60 -40 -20 80 100 120 140 180 200 [°C] 120 160 200 240 280 320 360 400 [°F] A0012143 Process connection 4-VCO-4, ¼"... -
Page 29: Human Interface
Cubemass DCI Human interface Display elements • Liquid crystal display: illuminated, four lines with 16 characters per line • Selectable display of different measured values and status variables • 3 totalizers • At ambient temperatures below –20 °C (–4 °F), the readability of the display may be impaired. -
Page 30: Certificates And Approvals
Ex approval Information about currently available Ex versions (ATEX, NEC/CEC etc.) can be supplied by your Endress+Hauser sales office on request. All information relevant to explosion protection is available in separate Ex documents that you can order as necessary. Pressure Equipment Directive Measuring devices with a nominal diameter smaller than or equal to DN 25 (1") correspond to Article 3(3... -
Page 31: Ordering Information
The Endress +Hauser service organization can provide ordering information and detailed information on the order code. Accessories Various accessories, which can be ordered separately from Endress+Hauser, are available for the transmitter and the sensor. Note! The Endress +Hauser service organization can provide detailed information on the relevant order codes. - Page 32 Instruments International Endress+Hauser Instruments International AG Kaegenstrasse 2 4153 Reinach Switzerland Tel. +41 61 715 81 00 Fax +41 61 715 25 00 www.endress.com info@ii.endress.com TI099D/06/en/04.10 71112154 FM+SGML6.0 ProMoDo...
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