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RMC621
Flow and energy manager

RMC621 Flow and energy manager ©Endress+Hauser
RMC621 Flow and energy manager ©Endress+Hauser
  • RMC621 Flow and energy manager
  • RMC621 Flow and energy manager

Universal flow and energy computer for gases, liquids and steam

The flow and energy manager RMC621 calculates standard volume as well as mass and energy flows of natural and technical gases, fluids and steam from flow, pressure, temperature and density. Depending on the medium calculation of the energy values occurs according to international standards (IAPWSIF97, SGERG88), real gas equations (SRK) or specific tables. For differential pressure measurements coefficients for flow compensation are calculated over the complete operating range of the flow sensor.

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  • Easy to select, install and operate

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  • Reliable, robust and low-maintenance

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  • Highly functional and convenient

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  • Specialized products

  • Designed for demanding applications

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Fundamental selection

Meet your basic measurement needs

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Lean selection

Handle your core processes easily

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Extended selection

Optimize your processes with innovative technologies

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Xpert selection

Master your most challenging applications

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Variable

  • Specs at a glance

    • Input

      2...8x PFM
      2...8x I
      2...8x Impulse (aktiv)
      2...6x RTD
      2...8x Impulse (passiv)

    • Output

      3...9x transmitter power supply

    • Display

      LC-Dot-Matrix 160 x 80 Punkte

    • Calculations

      mass/heat quantity
      heat quantity difference
      for gases: standard volume, heating value, mass

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  • Optional add-ons
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  • Benefits

    • Suitable for applications with gas, liquid, steam and water

    • Simultaneous calculation of up to 3 measuring applications, even if different fluids are used

    • Very precise process calculations (density, enthalpy, compressibility) on the basis of equations and/...

  • Field of application

    • Energy management

    • Chemical industry

    • Heating and air conditioning

    • Pharmaceutical industry

    • Food and beverage

    • Plant and panel manufacture

    • Oil + petrochemicals

Features and specifications

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Details

  • Measuring principle

    Energy manager

  • Measuring principle

    Flow and energy manager

  • Function

    Gas, liquids, steam and water bilancing for industrial energy management

  • Calculations

    mass/heat quantity

    heat quantity difference

    for gases: standard volume, heating value, mass

  • Number of applications

    3

  • Data storage

    no

  • Calculation standards

    IAPWS IF97

    AGA8 / SGERG88

    Nx/9

    API 2540

    customer spezific tables

    ISO 5167

  • Communication

    1 x RS232

    2 x RS485

    PROFIBUS DP

    M-Bus

    Modbus RTU

  • Power supply

    Not defined

  • Loop power supply

    90...250V AC 50/60 Hz

    20...28V AC 50/60 Hz

    20...36V DC

  • Protection class

    IP20

  • Input

    2...8x PFM

    2...8x I

    2...8x Impulse (aktiv)

    2...6x RTD

    2...8x Impulse (passiv)

  • Output

    3...9x transmitter power supply

  • Dimensions (WxHxD)

    135 x 108 x 114 mm (5.32" x 4.25" x 4.49")

  • Operation

    Soft keys RS232 and operation software ReadWin 2000

  • Display

    LC-Dot-Matrix 160 x 80 Punkte

  • Software functions

    International calculation standards for gas, liquids, steam and water

  • Certificates

    CSA GP

    ATEX Ex ia

    FM USA IS

    FM USA NI

    CSA IS

    CSA NI

    NEPSI Ex ia

    GOST Ex i

    IECEx

    EAC

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
    • Nr 6 Order code RMC621A-TA

      Extension board temperature (Pt100/Pt500/Pt1000) cpl. incl. connector + fixing frame

    • Nr 6 Order code RMC621A-TB

      Extension card temp. ATEX approval (Pt100/500/1000) cpl. incl. terminals

  • 7
    • Nr 7 Order code RMC621A-UA

      Extension board universal (PFM/pulse/analogue/loop power) cpl. incl. connector + fixing frame

    • Nr 7 Order code RMC621A-UB

      Extension card univ. ATEX approval (PFM/pulse/analog/LPS) cpl. incl. terminal

  • 8
  • 9
    • Nr 9 Order code 51004062

      Terminal plug-in 4pol.SMSTB2,5 91/92/53/

      Relay terminal/loop power

  • 10
    • Nr 10 Order code 51004063

      Terminal plug-in 4pol.SMSTB2,5 82/81/10/

      Analog terminal 1 (PFM/pulse/analog/loop power)

  • 11
    • Nr 11 Order code 51004064

      Terminal plug-in 4pol.SMSTB2,5 83/81/110

      Analog terminal 2 (PFM/pulse/analog/loop power)

  • 14
    • Nr 14 Order code 51004065

      Terminal plug-in 4pol.SMSTB2,5 104..101

      Terminal RS485

  • 15+18
    • Nr 15+18 Order code 51004066

      Terminal plug-in 4pol.SMSTB2,5 134..131

      Output terminal (analog/pulse)

  • 12
    • Nr 12 Order code 51004067

      Terminal plug-in 4pol.SMSTB2,5 1/5/6/2

      Terminal temperat.1(Pt100/Pt500/Pt1000)

  • 13
    • Nr 13 Order code 51004068

      Terminal plug-in 4pol.SMSTB2,5 3/7/8/4

      Terminal temperat.2(Pt100/Pt500/Pt1000)

  • 19
    • Nr 19 Order code 51004907

      Terminal RMx621/FML621, Input 1, RTD

      Pt100/Pt500/Pt1000, gray

  • 20
    • Nr 20 Order code 51004908

      Terminal RMx/FML621, Input 2, RTD

      Pt100/Pt500/Pt1000, gray

  • 22
    • Nr 22 Order code 51004909

      Terminal RMx/FML621, Input 2, 4-20mA

      PFM, pulse, loop power, gray

  • 21
    • Nr 21 Order code 51004910

      Terminal RMx/FML621, Input 1, 4-20mA

      PFM, pulse, loop power, gray

  • 17
  • 16
  • 22
    • Nr 22 Order code 51005953

      Terminal Ex RMx/FML621, Input2, 4-20mA

      PFM, pulse, loop power, blue

  • 11
    • Nr 11 Order code 51005954

      Terminal Ex 4pol.SMSTB2,5 83/81/110/11

      Analog terminal 2 (PFM/pulse/analog/loop power)

  • 12
    • Nr 12 Order code 51005955

      Terminal plug-in Ex4pol.SMSTB2,5 1/5/6/2

      Terminal temperat.1(Pt100/Pt500/Pt1000)

  • 13
    • Nr 13 Order code 51005956

      Terminal plug-in Ex4pol.SMSTB2,5 3/7/8/4

      Terminal temperat.2(Pt100/Pt500/Pt1000)

  • 10
    • Nr 10 Order code 51005957

      Terminal Ex 4pol.SMSTB2,5 82/81/10/11

      Analog terminal 1 (PFM/pulse/analog/loop power)

  • 19
    • Nr 19 Order code 51005958

      Terminal Ex RMx/FML621, Input 1, RTD

      Pt100/Pt500/Pt1000, blue

  • 21
    • Nr 21 Order code 51005959

      Terminal Ex RMx/FML621, Input 1, 4-20mA

      PFM, pulse, loop power, blue

  • 20
    • Nr 20 Order code 51005960

      Terminal Ex RMx/FML621, Input 2, RTD

      Pt100/Pt500/Pt1000, blue

    • Order code 71402350

      Set, 10x fixing lever housing

      for RMA42x/RMx621/RTA421/RN221N/TMT12x

    • Order code RMC621A-AA

      Display- and operating keys: in offset housing for panel mounting 144x72mm

    • Order code RMC621A-P1

      PROFIBUS DP slave module for DIN rail

    • Order code RMC621A-P2

      PROFINET device for DIN rail

    • Order code 52010132

      Housing Field, R4 182x180x165, 5xM20, PC

      Protection housing Minitec. Synthetic housing with transparent cover. Protection IP66. 4x22.5mm / 2x45mm. Usage: FTL825.

  • 23
  • 24
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