Endress+Hauser RMS621 Bedienungsanleitung

BA127R/09/en/08.04

510 04788

Software

Version 2.0

Operating manual

RMS 621

Energy manager

RMS 621

2Endress+Hauser

Overview

Using the following overview the unit can be swiftly and easily commissioned:

Short form operating instructions

Caution!

The information contained in these Operating Instructions serves as a guide to help you commission

your device easily, i.e. the most important settings are listed here but special functions (e.g. Tables,

Corrections etc.) are not.

Configuring a measurement - Set-up example

Example 1: Steam heat (or steam mass)

Sensors: DPO10 (orifice), Cerabar T, TR 10

1. Connect device to the power source (terminal L/L+, 220 V)

2. Press any key →Menu →Setup (all parameters)

3. Basic set-up

Date-time (set up date and time) ÆZ

4. Flow inputs (flow 1)

Flow meter: Differential pressure

Diff. device: Orifice corner tap

Signal: 4 to20 mA

Curve: linear (also set up linear curve at the DP transmitter)

Terminals: Select A10 and connect DP transmitter to terminals: A10(-)/82(+) (because of

passive signal)

Set up start- and end-value (in mbar!)

Tube data: enter internal tube diameter and diameter ratio (ß) as found on the maufacturers

data sheet.

Caution!

If tube data is not known, for flow meter: operating volume

Curve: linear (set up square rooted curve on the DP transmitter)

Set up start- and end-values einstellen (m

/h)

5. Pressure input (Pressure 1)

Signal type: e.g. 4 to 20 mA

Terminals: Select A110 and connect Cerabar T to terminals: A110(-)/A83(+) (passive signal)

Type: Select absolute (-pressure measurement) or relative (-pressure measurement)

Set up start- and end-values of the presuure transmitter Æ

Safety notes Page 8

Installation Page 11

Electrical connections Page 13

Human interface Page 22

Commissioning Page 29

Quick SET-UP - Fast entry into unit set-up for standard operation.

Unit set-up - explanation and application of all unit functions with the relevant values

and settings.

Application examples - Unit set-up in connection with an application example.

RMS 621

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6. Temperature inputs (temp. 1.1)

Signal type: Pt100

Sensor type: 3- or 4-wire

Select terminals E1-6 and connect Pt100 Æ

7. Application

Application 1: Steam heat

Steam type: super heated steam

Allocate flow 1, pressure 1 and temp. 1.1 to the steam measurement.

8. Display

Group 1

Display mask: 4 values

Value 1 (...4): flow 1, temp. 1.1, pressure 1 and density 1 Æ

Group 2: select to above system e.g. mass flow 1, heat flow 1, mass sum 1.

9. Exit set-up

Exit set-up by operating ESC

a number of times and acknowledging with

Display

By operating any key you can enter the main menu and select the required group including all the

relative display values: Display -> Group -> Group 1. All can also be displayed in an automatic scroll

function: Setup -> Display -> Scrolled display (scroll using the arrow under group 6).

If a fault occurs the display automatically changes colour (blue/red). Detailed fault finding and

elimination can be found in the relative chapter of these operating instructions.

Example 2: Liquid heat difference

Sensors: 2 x TST90, Promag 50

1. Connect device to the power source (terminal L/L+, 220 V)

2. Press any key →Menu →Setup (all parameters)

3. Basic set-up

Date-time (set up date and time) Æ

4. Flow input (flow 1)

Flow meter: Operating volume

Signal type: 4 to20 mA

Terminals: select A10 and connect the Prowirl to terminals: A10(+)/11(-) (active signal)

Set up start- and end-values

5. Temperature inputs (temp. 1.1 and temp. 1.2)

Signal type: Pt100

Sensor type: 3- or 4-wire

Terminals: select E1-6 and connect TST90 (temp. 1.1) Æ

Terminals: selectE3-8 and connectTST90 (temp. 1.2)Æ

Fig. 1: Temperature sensor connection, e.g. to input 1 (Slot E I)

Pos. 1: 4-wire input

Pos. 2: 3-wire input

Pos. 3: 3-wire input e.g. optional

temp. expansion card (Slot B I)

RMS 621

4Endress+Hauser

6. Applications

Application 1: Water heat differential

Operating mode: Heating

Select "Flow 1"

Installation point: Cold (means return)

Allocate temperature sensors 1.1 and 1.2 to heat and cooling section.

7. Display

Group 1

Display mask: 4 values

Value 1 (...4): Flow 1, temp. 1.1, temp. 1.2 and density Æ

Group 2: select to above system e.g. mass flow 1, heat flow 1, mass sum 1 etc.

8. Exit set-up

Exit set-up by operating ESC

a number of times and acknowledging with

Display

By operating any key you can enter the main menu and select the required group including all the

relative display values: Display -> Group -> Group 1. All can also be displayed in an automatic scroll

function: Setup -> Display -> Scrolled display (scroll using the arrow under group 6).

If a fault occurs the display automatically changes colour (blue/red). Detailed fault finding and

elimination can be found in the relative chapter of these operating instructions.

An example of steam mass measurement using a Prowirl 77 can be found in the appendix of this

operating manual.

Application basic set-up

The values shown are only an indication in order to simplify the commissioning of the device, this

means that only the most necessary settings are shown. Special functions (e.g. tables, corrections,

etc.) are not shown.

Water applications

Input values: Flow, temperature 1, (temperature 2)

Fig. 2: Temperature sensor connection, e.g. to input 1 (Slot E I)

Pos. 1: 4-wire input

Pos. 2: 3-wire input

Pos. 3: 3-wire input e.g. optional

temp. expansion card (Slot B I)

Flow

Pulse/PFM (e.g. ProWirl) Analogue (e.g. Promag) Differential pressure (e.g. Orifice)

Flow input Flow input Flow input

Flow meter: Operating volume Flow meter: Operating volume Differential pressure/Orifice/water

Terminals:

– Flow meter with active signal connect to e.g. terminals A10(+)/11(-).

– Flow meter with passive signal select e.g. terminals A10 and connect to terminals A10(-)/82(+).

k factor Start/end value (m

/h) Start/end value (mbar)

RMS 621

Endress+Hauser 5

!Note!

Only one temperature available for liquid heat quantity. A direction signal teriminal is required on

changing flow direction (bi-directional operating mode).

Steam application

Input values: Flow, pressure, temperature 1, (temperature 2)

!Note!

2 temperature sensors are required for steam diferential applications.

Pressure

Select signal type and terminals and then connect sensor (see example).

Type: Relative- or absolute-pressure? Enter start- and end-values.

Temperature

Select signal type and connect sensor(s) (see example). 2 temperature sensors are required for heat differential measurements.

Application

Application: e.g. Water- heat differential

Operating mode: e.g. heating (this means inflow warm, return cold)

Allocate installation point for flow measurement sensor (warm/cold)

Allocate temperature sensors

Flow

Pulse/PFM (e.g. ProWirl) Analogue (e.g. Promag) Differential pressure (e.g. Orifice)

Flow

Pulse/PFM (e. g. Prowirl) Analogue (e. g. Prowirl) Differential pressure (e. g. Orifice)

Flow input Flow input Flow input

Flow meter: Operating volume Flow meter: Operating volume Differential pressure/Orifice.../Gas

Terminals:

– Flow meter with active signal connect to e.g. terminals A10(+)/11(-).

– Flow meter with passive signal select e.g. terminals A10 and connect to terminals A10(-)/82(+).

k factor Start/end value (m

/h) Start/end value (mbar)

Pressure

Select signal type and terminals and then connect sensor (see example).

Type: Relative- or absolute-pressure? Enter start- and end-values.

Temperature

Select signal type and connect sensor(s) (see example). 2 temperature sensors are required for heat differential measurements.

Application

Application (1);

Application: e.g. steam mass

Steam type: e.g. superheated

Allocate sensors for flow, pressure and temperature measurement

RMS 621

6Endress+Hauser

Table of contents

1 Safety notes

. . . . . . . . . . . . . . . . . . . . . . . . .

1.1 Correct use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.2 Installation, commissioning and operation . . . . . . . . 8

1.3 Operational safety . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.4 Returns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.5 Safety characters and symbols . . . . . . . . . . . . . . . . . 9

2 Identification

. . . . . . . . . . . . . . . . . . . . . . .

2.1 Unit identification . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.2 Complete delivery . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.3 Certificates and approvals . . . . . . . . . . . . . . . . . . . 10

3 Mechanical installation

. . . . . . . . . . . . . .

3.1 Installation conditions . . . . . . . . . . . . . . . . . . . . . . 11

3.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.3 Installation control . . . . . . . . . . . . . . . . . . . . . . . . 12

4 Electrical installation

. . . . . . . . . . . . . . . .

4.1 Electrical connection overview . . . . . . . . . . . . . . . 13

4.2 Connecting measurement sensors . . . . . . . . . . . . . 14

4.3 Connection control . . . . . . . . . . . . . . . . . . . . . . . . 22

5Operation

. . . . . . . . . . . . . . . . . . . . . . . . . .

5.1 Operation at a glance . . . . . . . . . . . . . . . . . . . . . . . 22

5.2 Human interface . . . . . . . . . . . . . . . . . . . . . . . . . . 24

5.4 Error message display . . . . . . . . . . . . . . . . . . . . . . 27

5.5 Communication . . . . . . . . . . . . . . . . . . . . . . . . . . 28

6 Commissioning

. . . . . . . . . . . . . . . . . . . . .

6.1 Installation control . . . . . . . . . . . . . . . . . . . . . . . . 29

6.2 Switch unit on . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

6.3 Quick Set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.4 Unit set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

6.5 Customer-specific applications . . . . . . . . . . . . . . . . 50

7 Maintenance

. . . . . . . . . . . . . . . . . . . . . . .

8Accessories

. . . . . . . . . . . . . . . . . . . . . . . . .

9 Fault-finding

. . . . . . . . . . . . . . . . . . . . . . . .

9.1 Troubleshooting instructions . . . . . . . . . . . . . . . . . 51

9.2 System error messages . . . . . . . . . . . . . . . . . . . . . . 51

9.3 Process error messages . . . . . . . . . . . . . . . . . . . . . 52

9.4 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

9.5 Returns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

9.6 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

10 Technical data

. . . . . . . . . . . . . . . . . . . . . .

11 Appendix

. . . . . . . . . . . . . . . . . . . . . . . . . .

11.1 Definition of important system engineering units . . 65

11.2 Configuration flow measurement . . . . . . . . . . . . . . 65

11.3 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Index

1 Safety notes RMS 621

8Endress+Hauser

1Safetynotes

Safe operation of the energy manager can only be ensured if all hints and warnings in this installation

and operating manual are thorougly read and followed.

1.1 Correct use

The RMS 621 energy manager is a unit for monitoring energy and flows in water and steam

applications. It can be used in both heating and cooling systems. A large variety of different flow

sensors, temperature and pressure sensors can be connected to the unit. The energy manager

accepts the current/PFM/pulse or temperature signals from the individual sensors and from these

calculates the liquid and energy values:

–Volumeandmass

– Heat flow or energy

– Heat energy differential

all using the international calculation standard IAPWS-IF 97.

– The unit is classified as additional equipment and may not be used in a hazardous area.

– The manufacturer cannot take responsibility for any damage caused by misuse of the unit. It is not

permitted to make any changes or reconstruction to the unit.

– The energy manager has been designed for use in an industrial environment and may only be used

in an appropriately installed condition.

1.2 Installation, commissioning and operation

The unit is safely manufactured using state-of-the-art technology and complies with the respective

EU regulations. The unit could be dangerous if it is incorrectly installed or used.

Mechanical and electrical installation, commissioning and maintenance of the unit must only be

carried out by skilled and qualified personnel. The skilled personnel must have read and understood

these operating instructions and followed them carefully. Always make sure that the unit is correctly

connected following the electrical connection diagrams (see Chap. 4 "Electrical installation"). When

the unit covers are removed, all electrical contact protection is lost (danger of electrical shock). The

housing must only be opened by qualified skilled personnel.

1.3 Operational safety

Hazardous areas

The energy manager is classified as additional equipment and may not be installed in a hazardous

area.

Technical advancement

The manufacturer reserves the right to improve and update the technical details. For details of

improvements or additions to these instructions, please contact your local sales organisation.

1.4 Returns

Please contact both the transport agency and your supplier if any transport damage is discovered.

RMS 621 1 Safety notes

Endress+Hauser 9

1.5 Safety characters and symbols

Safety notes in these installation and operating instructions are highlighted using the following safety

pictograms:

"Caution!

This pictogram refers activities or sequences that, if done incorrectly could lead to personal injury

or faulty operation or complete damage to the unit.

#Warning!

This pictogram refers activities or sequences that, if done incorrectly could lead to personal injury,

a safety risk or total damage to the unit

!Note!

This pictogram refers activities or sequences that, if done incorrectly could have a direct influence

on the units operation or could release an unforeseen unit reaction.

2 Identification RMS 621

10 Endress+Hauser

2 Identification

2.1 Unit identification

2.1.1 Legend plate

Compare the unit legend plate with the following diagram:

Fig. 3: Energy manager legend plate (example)

1 Order code and unit series number

2 Protection class and allowable ambient temperature

3Powersupply

4 Temperature sensor input with measurement range

5 Approvals with accuracy details

6 Available in/outputs

2.2 Complete delivery

A complete delivery of an energy manager consists of:

•Energy manager RMS 621 for DIN top hat rail mounting

•This installation and operating manual

•CD-ROM data carrier with PC configuration software and RS 232 serial interface cable (optional)

•Remote display for panel mounting (optional)

•Expansion cards (optional)

!Note!

Take note of the accessories for the unit in Chap. 8 "Accessories".

2.3 Certificates and approvals

CE approval, certificate of conformity

The energy manager has been produced using the latest state-of-the-art technology, and leaves our

factory in a safe and tested condition. The unit complies with the EN 61010 regulations "Safety

requirements for electrical measurement, control and laboratory instrumentation".

This means that the unit described in this installation and operating manual fulfils the requirements

demanded by the EU regulations. The manufacturer acknowledges successful unit testing by adding

the CE mark.

The unit was developed in accordance with the OIML R75 and EN-1434 directives.

Made in Germany D-87484 Nesselwang 200x

Ordercode: xxxxxxxxxxxxxxx

Ser. No. : xxxxxxxxx

ENDRESS+HAUSER

RMS 621

18-36V DC , 20-28V AC 50/60 Hz

8-24 VA IP20

Temp. sensor Pt100/Pt500/Pt1000

Input: 4-20mA/PFM/Impulse

Output: 4-20mA/Impulse

Relays: contact ratings max. 250V/AC/5A

Assembly area:_____________

-20°C < Ta < 60°C

Temp. measurement range: 0...300°C water

0...800°C steam

OIML R75 Class 4 T 3...300 K (water)∆

Made in Germany D-87484 Nesselwang 200x

Ordercode: xxxxxxxxxxxxxxx

Ser. No. : xxxxxxxxx

ENDRESS+HAUSER

RMS 621

90-250 V AC 50/60 Hz

8-24 VA IP20

Temp. sensor Pt100/Pt500/Pt1000

Input: 4-20mA/PFM/Impulse

Output: 4-20mA/Impulse

Relays: contact ratings max. 250V/AC/5A

Assembly area:_____________

-20°C < Ta < 60°C

Temp. measurement range: 0...300°C water

0...800°C steam

OIML R75 Class 4 T 3...300 K (water)∆

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