RMG USZ 08 series, USZ 08-6P, USZ 08-3P Operating Instructions Manual

l

Ultrasonic Flowmeter USZ 08

OPERATING INSTRUCTIONS

Serving the Gas
Industry Worldwide

STATUS JUNE 2015

by Honeywel

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CONTENTS

INTRODUCTION ................................................................................... 1

Geometric arrangement of the paths of the USZ 08-6P ...................................... 3

Geometric arrangement of the paths of the USZ 08-3P ...................................... 4

Survey of equations used ................................................................................... 10

Equations for the ERZ 2000 USC / USE 09-C ............................................................. 10

Path velocity ............................................................................................................................................ 10

Corrected path velocity ............................................................................................................................ 10

Weighted flow velocity ............................................................................................................................. 10

Corrected weighted flow velocity ............................................................................................................. 10

Flow rate at measurement conditions ..................................................................................................... 10

Corrected flow rate at measurement conditions ..................................................................................... 10

Base correction of the gas meter ....................................................................... 11

Polynomial ............................................................................................................................................... 11

Error curve linearization of the gas meter ......................................................... 11

Polynomial ............................................................................................................................................... 11

INSTALLATION AND COMMISSIONING ............................................ 12

Installation of the meter ..................................................................................... 12

Unidirectional operation .............................................................................................. 12

Bidirectional operation ................................................................................................ 12

Pipe diameter .............................................................................................................. 13

Combination with the WBZ 08 vortex meter ................................................................ 13

Outdoor installation ..................................................................................................... 13

Seals ........................................................................................................................... 14

Screws ........................................................................................................................ 15

Electrical connections ........................................................................................ 16

Terminal assignments of the measuring element ........................................................ 16

ERZ 2000(-NG) terminals ............................................................................................. 17

Earthing and screening ................................................................................................ 19 

Start-up................................................................................................................ 20

OPERATING THE ULTRASONIC COMPUTER ..................................... 21

General information about the ERZ 2000 USC .................................................. 21

Overview of functions .................................................................................................. 21

Gas meter / volume data logging ................................................................................ 22

Special information: "Parameters for the volume at measurement conditions in

conjunction with ultrasonic flowmeters" ..................................................................... 24

DZU: ERZ 2000 with USE 09-C ultrasonic flowmeter control unit ........................................................... 24

Error curve linearization of volume metering when using the USE 09-C .................................................. 25

IGM: ERZ 2000 with integrated ultrasonic controller ............................................................................... 25

Acknowledging alarm and warning messages and events ....................................................................... 35

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CONTENTS

RMGVIEW DIAGNOSTIC SOFTWARE ................................................ 37

Functions ............................................................................................................. 37

Installation .......................................................................................................... 37

System requirements .................................................................................................. 37

Installing the program ................................................................................................. 37

Connecting a PC .................................................................................................. 38

Calibration switch of the USE 09 ....................................................................... 38

Operating the program ....................................................................................... 38

USE 09 MEASURED VALUES AND PARAMETERS ............................ 39

Access ................................................................................................................. 39

List of measured values and parameters ........................................................... 39

Pressure (option) ......................................................................................................... 40

Temperature (option) ................................................................................................... 40

USE09-C measured values .......................................................................................... 40

USE09-C flow rate Qm ................................................................................................ 41

USE09 parameters ...................................................................................................... 41

USE09-C polynomials .................................................................................................. 42

Frequency, pulse outputs ............................................................................................ 42

Current output ............................................................................................................. 42

Serial ports .................................................................................................................. 43

DSP, FPGA values ........................................................................................................ 44

Path# measured values ............................................................................................... 44

Path# signal analysis ................................................................................................... 44

USE09 measured values .............................................................................................. 45

USE09 diagnosis ......................................................................................................... 45

Time and date .............................................................................................................. 46

USE09-C totalizers ...................................................................................................... 46

ID ................................................................................................................................ 46

Mode ........................................................................................................................... 48

Faults .......................................................................................................................... 49

DSP parameters .......................................................................................................... 49

Path# parameters ....................................................................................................... 50

Service ........................................................................................................................ 51

Data logger .................................................................................................................. 52

Site information ........................................................................................................... 52

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CONTENTS

ALARM- UND WARNING MESSAGES USE 09 ................................... 53

Alarm messages .................................................................................................. 53

Warning messages .............................................................................................. 54

Hints .................................................................................................................... 55

BRIEF DESCRIPTION OF THE USE09 MODBUS ................................ 56

Parameterizing Modbus ...................................................................................... 56

TECHNICAL SPECIFICATIONS ........................................................... 59

SEAL DIAGRAMS ............................................................................... 60

Seals of the USE 09 ultrasonic electronic system ............................................. 60

Seals of the USE 09-C-LT ultrasonic electronic system .................................... 61

Seals of the measuring element of type USZ 08-6P (with USE 09) ....................... 62

Seals of the measuring element of type USZ 08-6P (with USE 09-C) ..................... 63

Seals of the type plate of the USZ 08 measuring element ................................ 64

ANNEX ............................................................................................... 65

Type examination certificates ............................................................................ 65

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CONTENTS

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

INTRODUCTION

Introduction

By means of the transit times of ultrasonic pulses, the USZ 08 ultrasonic flowmeter measures the
flow velocity of the gas from which it calculates the flow rate at measurement conditions. Here use
is made of the fact that ultrasonic pulses move faster in the direction of flow than in the opposite
direction.

S1

v

D

L

1

S2

The transit times from S1 to S2 and from S2 to S1 are calculated as follows:

t

12S

L

0

cosvc

t

21S

L

0

cosvc

where: v: mean flow velocity
c

: velocity of sound

0

: path angle to the pipe
L: path length

If measurements are taken alternatively in both directions, the velocity of sound depending on the
type of gas is no longer included in the calculation of the flow velocity:



v

L



cos2

1




t







1







t

21S12S



In order to take the flow profile into account, the USZ 08-6P takes measurements with a total of six
acoustic paths in three planes. In the case of the 3-path design of type USZ 08-3P, the two paths of
each plane crossing each other are replaced by one V-path with single reflection.

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INTRODUCTION

For non-fiscal metering also the 2-path design of typ USZ 08-2P can be used. This version is
equivalent to a reduced 6-path design, which only has the two acoustic paths in the middle plain.

Signals are evaluated by the USE 09(-C) ultrasonic electronic system which is installed on the meter
case. As a result, the flow velocity is determined for each acoustic path from the transit times
measured.

2

There are the following two variants of the ultrasonic electronic system available:

1. USE 09

- Meter without display in the meter head

- PTB-approved

- Basic version for digital connection to the ERZ 2000 USC
Every ultrasonic flowmeter relies on an ERZ 2000 USC to calculate the flow velocity averaged
through the pipe diameter from the data of the individual paths. The readings of the volumes at
measurement conditions for forward and reverse flows can also be taken at the computer.

2. USE 09-C

- Meter with electronic totalizers

- MID-approved

- Full version of the USE 09 with integrated controller function
With this configuration, it is possible to evaluate even flow rate and totalizer readings without
an ERZ 2000 USC; other types of correctors can be connected via pulse outputs.

Using a PC, you can access the USE 09(-C) data via a service interface. To do this, you can use the
RMGView diagnostic software.

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A

INTRODUCTION

Geometric arrangement of the paths of the USZ 08-6P

Level 2

Level 3

Level 1

TD2.1 (TD1.1)

TD4.1 (TD3.1)

TD6.1 (TD5.1)

TD1.1

TD2.1

TD3.1

TD4.1

TD1.2 (TD2.2)

TD3.2 (TD4.2)

TD5.2 (TD6.2)

TD2.2

TD1.2

TD4.2

TD3.2

Level 1

Level 2

Paths 1&2

3

A

Paths 3&4

Paths 5&6

90°

TD5.1

TD6.2

Level 3

TD6.1

TD5.2

In each of the three planes, there are two paths crossing each other. The ultrasonic flowmeter has
been designed symmetrically with regard to the middle plane and axially with regard to the centre
of the meter.

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A

INTRODUCTION

Geometric arrangement of the paths of the USZ 08-3P

4

Level 2

Level 3

Level 1

TD2.1

TD2.1

TD1.1

TD1.1

TD3.1

TD1.2

TD2.2

TD3.2

Reflector

Level 1

TD1.2

TD2.2

Level 2

Reflection on the inner wall of the pipe

Reflector

Path 1

A

Path 2

Path 3

Reflector

90°

Reflector

Level 3

TD3.1

TD3.2

In each of the three planes, there is a reflection path (what is called a V-path). The ultrasonic
flowmeter has been designed symmetrically with regard to the middle plane and axially with regard
to the centre of the meter.

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externe

Umwertung

INTRODUCTION

110VAC/230VAC/24VDC

ERZ 2000 USC

4 Current outputs (0/4 - 20 mA)

8 Contact outputs

5

4

Pressure

Temperature

max. distance 500m

(RS 485)

COM1 Interface

T

Basic version with an ERZ 2000 USC

3

Pr

24 VDC

2

1

1. Measuring element type USZ 08-6P/3P

2. Signal processing unit type USE 09

3. EEx e connection box (optional)

4. Ultrasonic flowmeter computer

type ERZ 2000 USC

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INTRODUCTION

Drw.-No.057286.4

6

TD 1.1

Pos. direction of flow

TD 2.1

TD 3.1

Pos. direction of flow

Path 1

Pa

t

h

TD 2.2

2

h

at

P

TD 1.2

Power supply

TD 4.2

3

4

Path

24 VDC

spare

USE09

TD 4.1

TD 5.1

Pos. direction of flow

TD 6.1

Path 5

Path

TD 3.2

TD 6.2

6

Rs485 to the ERZ 2000 USC

TD 5.2

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Pos. direction of flow

Reflector

INTRODUCTION

Drw.-No.057288.4

7

Path 1

TD 1.1

TD 1.2

TD 2.1 TD 2.2

Path 2

Inner wall of pipe

Pos. direction of flow

Pos. direction of flow

Reflector

Path 3

TD 3.1 TD 3.2

USE09

Power supply

24 VDC

spare

Rs485 to the ERZ 2000 USC

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INTRODUCTION

Side view:Front view:

H

8

L

Top view:

S0 / S1S0 / S1

Di

B

Clearance for changing transducers
S0: meter without pressure
S1: meter pressurized,
with special tool

DN L Di H B S0 S1 Weight (kg)

* Meter body from
cast steel

100 (4”) 300 102 330 400 250 ------ 90*

150 (6”) 450 150 350 410 300 ------ 140*

200 (8”) 600 202 360 530 375 1520 260*

250 (10”) 750 255 390 590 400 1550 400*

300 (12”) 900 303 420 640 425 1575 530*

400 (16”) 1200 378 450 710 475 1620 885*

500 (20”) 1500 476 530 820 525 1670 1465*

600 (24”) 1200 560 510 940 600 1725 1500*

700 (28”) 1200 736 650 980 615 1750 1730*

800 (32”) 1500 787 800 1100 675 1800 2100*

900 (36”) 1500 889 950 1250 750 1875 2530*

1000 (40”) 1500 990 1100 1350 800 1930 2950*

The values shown in the table are guide values (dimensions in mm).

Drw. No. 061413.4 Status: 02.10.2009

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Front view:

INTRODUCTION

Drw. No.057287.4

H

Di

L

A3

Top v i e w:

A3

a

a

D

i

Side view:

r

a

a

9

A1

90°

A2

Connection diagram
of the three paths acc. to

A1/ A2

DN L Di H A1 A2 A3 a

100 ( 4”) 500 102 360 50° 50° 50° 36
150 ( 6”) 900 150 380 50° 50° 50° 53
200 ( 8”) 1000 199 400 40° 40° 40° 71
250 (10”) 1000 250 430 40° 40° 40° 88
300 (12”) 1200 300 450 40° 40° 40° 106
400 (16”) 1200 377 500 40° 40° 40° 133

The values shown in the table are guide values in mm.

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











INTRODUCTION

Survey of equations used

Equations for the ERZ 2000 USC / USE 09-C

10

Path velocity

v

= Flow velocity, (m/s)

i

measured in path i
ti1 = Transit time in direction 1 (path i) (s)
ti2 = Transit time in direction 2 (path i) (s)
L = Path length (cm)
d = Axial distance (cm)

Corrected path velocity

vci = Corrected path velocity (m/s)
k

= Correction factor for path i

i

Weighted flow velocity

vw = Weighted flow velocity (m/s)
wi = Weighting factor regarding the flow profile

Corrected weighted flow velocity

v

= Corrected weighted flow (m/s)

wc

velocity

= Meter factor

K

V

KR = Correction factor, Reynolds number
F = Error from error curve linearization
Re = Reynolds number
A, B, C = Parameters for Reynolds number correction function

2

L

v



i



i





tttd2



2i1i

ttt

2i1ii

vkv

iici

6



vwv





ciiw

1i

F

1KKvv 

VRwwc

C



R

RelogBAK 

100

Flow rate at measurement conditions

Q

= Flow rate at measurement conditions

m

vw = Weighted flow velocity
D

= Inside pipe diameter

i

2

D

i

vQ

wm

3600

4

s



h

Corrected flow rate at measurement conditions

Qmc = Corrected flow rate at measurement conditions
vwc = Corrected weighted flow velocity
D
k

= Inside pipe diameter

i

= Correction factor, error curve linearization

c

2

D

i

vkQ

wccmc

3600

4

s



h

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INTRODUCTION

Base correction of the gas meter

Polynomial

The base correction of the meter is performed via a quartic polynomial which reproduces the error
curve.

Error equation: F

= A-2  v

1

-2

+ A-1  v

wr

= Deviation of the error curve (%)

F

1

v

= Weighted flow velocity

wr

corrected by Reynolds number (m/s)
A

= Constants

n

The constants An (n = -2 to n = 2) are calculated from the measured value pairs Error F1i and flow
velocity vwr. Instead of the constant meter factor KV, the corrected meter factor K
further calculation.

KVc = KV  (1+F1/100)

-1

+ A0 + A1  vwr + A2  v

wr

2

wr

11

is used for

Vc

Error curve linearization of the gas meter

Polynomial

The error curve linearization is also performed via a quartic polynomial which represents the error
curve of the gas meter.

Error equation: F2 = B-2  Q

-2

+ B-1  Q

m

F2 = Deviation of the error curve (%)
Qm = Flow rate at measurement conditions (m3/h)
B

= Constants

n

The constants Bn (n = -2 to n = 2) are calculated from the measured value pairs Error F2i and flow
rate Qmi. In order to further calculate the corrected flow rate at measurement conditions, the
correction factor of error curve linearization Kc is used.

Kc = (1+F2/100)

-1

+ B0 + B1  Qm + B2  Q

m

2

m

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INSTALLATION AND COMMISSIONING

Installation and commissioning

Installation of the meter

The USZ 08 ultrasonic flowmeter is to be operated with an inlet pipe and an outlet pipe. The
following details are identical to the requirements of the PTB approval certificate and are therefore

12

binding for custody transfer metering. These specifications are also recommended for secondary
metering; if they are not observed, it is likely that the accuracy of measurement will be lower.

Unidirectional operation

Standard installation without a flow straightener:

P

r

10 D

Compact installation with a flow straightener:

P

r

3D

5D

Bidirectional operation

1.5-5 D

P

r

3D

3D

1.5-5 D

3D

10 D

3-5 D

3D

10 D

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INSTALLATION AND COMMISSIONING

Pipe diameter

P

r

Øi = D-2% ... D+5%

Øi = D

Øi = D-2%

... D+5%

The inside diameters of the inlet and outlet pipes may be up to 2% smaller or up to 5% larger than
the inside diameter of the meter.

Combination with the WBZ 08 vortex meter

In the case of nominal diameters from DN 200 to DN 600, a 6-path ultrasonic flowmeter can be
installed upstream of a WBZ 08 vortex meter so that it forms a part of the inlet pipe of the vortex
meter.

Outdoor installation

In case of outdoor installation of an USZ 08 with viewing
window and electronic display, a cover for the electronics
case is required. The display must definitely not be

exposed to direct solar radiation, since otherwise it will
be destroyed by UV radiation!

Ultrasonic flowmeters can be equipped with a cover in the
factory. Also retrofitting on site is possible.

13

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INSTALLATION AND COMMISSIONING

Seals

It must be guaranteed that flange seals of RMG turbine meters do not protrude from the flange into
the gas line.

All seals approved as per DVGW can be used depending on the requirements for stability and reli­ability.

We recommend seals with the following maximum material characteristic values according to the

14

AD2000 rules:

− gaskets: k0 x KD = 20 x bD | k1 = 1.3 x bD [N/mm]

−

grooved seals: k
spiral seals: k

−

x KD = 15 x bD | k1 = 1.1 x bD [N/mm]

0

x KD = 50 x bD | k1 = 1.4 x bD [N/mm]

0

− octagonal ring joint seal: KD = 480 N/mm2

For recommended dimensions, see the tables below.

d1

d2

1.5 up to 5 mm

Gaskets

DN d1 d2

50 2" 77 107 107 105 107 107

80 3" 90 142 142 137 142 142
100 4" 115 162 162 175 168 168
150 6" 169 218 218 222 225 225
200 8" 220 273 273 279 285 292
250 10" 274 328 330 340 342 353
300 12" 325 378 385 410 402 418
400 16" 420 490 497 514 515 547
500 20" 520 595 618 607 625 628
600 24" 620 695 735 718 730 745

PN 10 PN 16 ANSI 150 PN 25 PN 40

Grooved seals

DN d1 d2 d1 d2

50 2" 107 107 107 107

80 3" 142 142 142 142
100 4" 162 162 168 168
150 6" 218 218 225 225
200 8" 273 273 285 292
250 10" 328 330 342 353
300 12" 378 385 402 418
400 16" 490 497 515 547
500 20" 595 618 625 628
600 600 695 735 730 745

ANSI 300

/ ANSI 600 PN 64

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INSTALLATION AND COMMISSIONING

Spiral seals

ANSI 300 PN 64 ANSI 600

DN d1 d2 D1 d2 d1 d2

50 2" 69.9 85.9 66 84 69.9 85.9

80 3" 101.6 120.7 95 119 101.6 120.7
100 4" 127.0 149.4 120 144 120.7 149.4
150 6" 182.6 209.6 174 200 174.8 209.6
200 8" 233.4 263.7 225 257 225.6 263.7
250 10" 287.3 317.5 279 315 274.6 317.5
300 12" 339.9 374.7 330 366 327.2 374.7
400 16" 422.4 463.6 426 466 412.8 463.6
500 20" 525.5 577.9 530 574 520.7 577.9
600 24" 628.7 685.8 630 674 628.7 685.8

Screws

Temperature ranges for screws and nuts

-10°C to +80°C -40°C to +80°C

Pressure Variant 1 Variant 2 Variant 3

up to and
including
40 bar

from 40 bar Screw bolts complying

Screws complying
with
DIN EN ISO 4014
made of material 5.6,

Nuts complying with
DIN EN ISO 4032
made of material 5-2

with
ANSI B1.1
made of material
ASTM A193 Grade B7,

Nuts complying with
ANSI B1.1
made of material
ASTM A194 Grade 2H

Screws complying
with
DIN EN ISO 4014
made of material
25CrMo4,

Nuts complying with
DIN EN ISO 4032
made of material
25CrMo4

Screw bolts
complying with
ANSI B1.1
made of material
ASTM A320 Grade L7,

Nuts complying with
ANSI B1.1
made of material
ASTM A320 Grade L7

Screw bolts
complying with
ANSI B1.1
made of material
42CrMo4,

Nuts complying with
ANSI B1.1
made of material
42CrMo4

Anti-fatigue bolts
complying with DIN
2510
made of material
25CrMo4,

Nuts complying with
DIN 2510
made of material
25CrMo4

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INSTALLATION AND COMMISSIONING

Electrical connections

Terminal assignments of the measuring element

16

Terminals

7.17.2 8.2 8.1

5.15.2 6.2 6.1

3.13.2 4.2 4.1

1.11.2 2.2 2.1

on the

electronics

card

a

RS 485 0

aa 11113b

bb 2

RS 485 1

RS 485 2

Power
Flow
Warning
Alarm

24GD GD

4-20

AUX1

AUX2

mA

Terminals in

the terminal

Service Reset Calibration

-

------ -

PE GD

+

++++++ +

24 VDC

Warn

Alarm

Puls1

Puls2

I/O1

I/O2

box

PE12345678910111213141516 17181920212223242526272829303132PEPE PE

------- -

+++++++ +

24 VDC

Warn

GD GD GD

aaa

bbb

Alarm

Puls1

Puls2

I/O1

I/O2

RS 485 0

2234

RS 485 1

RS 485 2

4-20

AUX1

AUX2

mA

Terminal assignments on the electronics card

- ------ -

PE GDaaa 113bbb 224GD GD

+

24 VDC Warn Alarm Puls1 Puls2 I/O1 I/O2 RS 485 0 RS 485 1 RS 485 2 AUX1 AUX2

++++++ +

The USZ 08 ultrasonic flowmeter with the
USE 09 ultrasonic electronic system is
supplied with two case variants:

- with the mere electronics case: here

connection is to be made directly at the
electronics card (standard with the
USE 09);

- with an additional terminal box: in the

case of this version, connection is
basically to be made in the terminal box
(standard with the USE 09-C, optional
with the USE 09).

Terminal assignments in the terminal box (in the case of the USE 09-C)

PE12345678910111213141516 17181920212223242526272829303132PE PE PE

------- -

+++++++ +

24 VDC Warn Alarm Puls1 Puls2 I/O1 I/O2 RS 485 0 RS 485 1 RS 485 2

GD GD GDaaa11bbb 2234

AUX1 AUX2

Not used

If the meter is operated in conjunction with a Flow Computer/ultrasonic computer of the
ERZ 2000 USC series, the computer is to be connected to the RS 485 1 interface. Due to the fact

that the parameters of the meter are stored in the ERZ 2000 USC, you have to make sure that the
correct computer is connected to the measuring element (compare the serial numbers of the
measuring element on both data plates).

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VV-VV+VM-V

X9X

Vo-V

INSTALLATION AND COMMISSIONING

The RS 485 0 interface is used for servicing. The RMGView service and diagnostic software which
is required for this purpose is described from page 35 onwards.
A second Flow Computer can optionally be connected to the RS 485 2 interface if an appropriate
optional USE 09 card is used. However, this interface can also be used as a Modbus (ASCII or RTU)
interface for other purposes.

On the USE 09-C, there are 2 pulse outputs (terminals 7/8 and 9/10) and a current output (4-20
mA) available. The pulse outputs are set in such a way that a frequency of approx. 2 kHz is

17

outputted at maximum flow rate. The direction of flow can be outputted through the contact
outputs I/O1 and I/O2.

Use shielded cables from a length of 1 m (this also applies to power cords). Apply the shields to the
cable glands. Use cables which are twisted together in pairs of the type LiYCY 2x2x0.75 mm² for
the data line!
Die maximum permissible cable length between USZ 08 and ERZ 2000(-NG) is 500 m.

ERZ 2000(-NG) terminals

Rear panel

X1

1
2
3
4
5
6
7
8
9

10

L

N/ ­PE

X2

A1+
A1­A2+
A2­A3+
A3­A4+
A4­AL+
AL-

A5+

1

A5-

2

A6+

3
4

A6-

5

A7+
A7-

6
7

A8+
A8-

8

WA+

9

WA-

10

F1

X16

+

24VDC Si=2At
90-230VAC Si=1A

1
2
3
4
5
6
7
8
9

10

X11

COM1

X3

P1+
P1­P2+
P2­P3+
P3­P4+
P4­F1+
F1-

1
2
3
4
5
6
7
8
9

10

X12

COM2

X4

S1+
S1­S2+
S2­S3+
S3­S4+
S4-

X5

1
2
3
4
5
6
7
8

o+

9

10

X13

X6

I1e

1

I1e

2

I2e

3
4

I2e

5

I3e
I3e

6
7

t1+
t1s

8

t1s

9

t1-

10

X14

X7

I4e

1

I4e

2

I5e

3
4

I5e

5

I6e
I6e

6
7

t2+
t2s

8

t2s

9

t2-

10

E1+
E1­E2+
E2­E3+
E3­E4+
E4­E5+
E5-

X8

E6+

1
2
3
4
5
6
7
8
9

10

E6­E7+
E7­E8+
E8-

1
2
3
4
5
6

M+

7
8
9

10

10

1
2
3
4
5
6
7
8
9

10

X15

COM5

X18

COM3

COM4

X19

Ethernet

Can

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Manual USZ 08 · EN05 · 2015-06

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INSTALLATION AND COMMISSIONING

Terminating resistor

The measuring element in conjunction with the USE 09 ultrasonic electronic system is to be
connected via a terminating module to the COM1 port on the rear panel of the ERZ 2000(-NG). This
module is included in the delivery and comprises one terminating resistor.

The terminating module is mounted on a cap rail and has the following pin assignment:

18

H

F

Interface

Adapter

C

A

USE 09

G

E

a

b

GD

RS 485-1

Terminating module

D

C

330 OHM

B

A

E

F

G

H

D

B

ERZ 2000

3

8

5

The plug-in module which was included in the delivery with older devices has the following pin
assignment.

Terminating resistors

for RS 485

(USE 09 with ERZ 2000)

USE 09

RMG MESSTECHNIK GMBH

35510 Butzbach

ERZ 2000

USE 09 Terminating

module

GD

RS 485-1

a

b

330 Ω

55

33

88

ERZ 2000

5

3

8

COM 1

COM 1

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INSTALLATION AND COMMISSIONING

Earthing and screening

19

Potential,
measurement
installation

Ex d electronics case

Ex e terminal housing

Equipotential bonding
wire, min. 4 mm

Mains Data

Potential,
measurement
installation

P

2

Use shielded cables from a length of 1 m (this also applies to power cords). Apply the shields to the
cable glands. Use cables which are twisted together in pairs of the type LiYCY 2x2x0.75 mm² for
the data line!

The sensors are in metal-to-metal contact with the meter case and need not be separately earthed
when they are replaced. However, a conductive connection has to be established with the piping of
the measurement installation.

In the case of devices without an Ex e terminal housing, the equipotential bonding wire is to be
connected to the earthing screw of the Ex d electronics case.

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INSTALLATION AND COMMISSIONING

Start-up

After the meter has been installed and the ERZ 2000 USC has been connected, the parameters of
the meter have to be checked on the computer. They are listed on the verification certificate of the
meter together with the coordinates. Parameters from the verification certificate without any
coordinate stated are directly stored in the ultrasonic electronic system of the measuring element
(IGM/USE 09). They can be found on the inspection certificate of the measuring element and can

20

be checked using the RMGView diagnostic software. In the case of a meter without an
ERZ 2000 USC, all parameters are programmed into the ultrasonic electronic system on the test
facility and it is not necessary to check them.

As soon as the meter is pressurized, it is possible to check its function. To do this, check the
velocities of sound measured for each path (lines 9 to 14) in column FH (Ultrasonic diagnosis) on
the ERZ 2000 USC. The velocity of sound varies with the gas composition, pressure and
temperature. The values of the individual paths should differ only slightly. However, a comparison
with the velocity of sound of the fluid can be made only to a limited extent, since such velocity of
sound can be determined only in a very inaccurate way under operating conditions.

If there is no flow rate available during start-up, thermal layering may occur in the piping, so that
the velocities of sound of the paths of different measuring planes may differ considerably from each
other.

If there is no ERZ 2000 USC available (model with totalizer on the meter case), the velocities of
sound (columns L to Q) can be read out using the RMGView software.

If the velocity of sound of a device with an ERZ 2000 USC should not be plausible, it is necessary to
perform troubleshooting using RMGView.

If the velocities of sound of the measuring element are OK, but not on the ERZ 2000, this is in most
cases due to the connection between the measuring element and the computer. In such a case,
check not only the cable but also the screening and earthing as well as the terminating resistor on
the ERZ 2000 USC. If only a single path has failed, it is likely that the fault is to be found in the
wiring of the path.

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OPERATING THE ULTRASONIC COMPUTER

Operating the ultrasonic computer

General information about the ERZ 2000 USC

Overview of functions

Depending on the software installed, the ERZ 2000 device family is equipped with an integrated
functional unit for direct connection to the ultrasonic measuring element (called IGM for Industrial
Gas Meter in the software). To operate the IGM, no further hardware is required. The function is
always active, but has to be initially enabled in the factory to ensure trouble-free operation. If it is
not enabled, a fault message will permanently be outputted and the disturbance totalizers will be
used for metering. Connection to the measuring element is to be made via the COM 1 port in
RS 485 mode. Modbus is used for communication with the measuring element.

Designations and device variants of the ERZ 2000 system family
The thousands place describes the system name.
The hundreds place defines the calculation of energy (superior calorific value correction).
The tens place defines the function of the orifice-plate computer.
The ones place defines the correction of state, temperature or density (1 = temperature, 2 =
density, 3 = spare, 4 = pressure / temperature).

Examples:
PTZ corrector ERZ 2004
Superior calorific value corrector ERZ 2104
Density corrector ERZ 2002

For use with the
DZU protocol and
the USZ 09-C.

Density corrector - energy ERZ 2102

PTZ corrector with ultrasonic controller ERZ 2004 USC
Superior calorific value corrector with ultrasonic controller ERZ 2104 USC
Density corrector with ultrasonic controller ERZ 2002 USC
Density corrector - energy - with ultrasonic controller ERZ 2102 USC

For use in IGM
mode with direct
connection to the
measuring head.

For further details concerning the operation of the device, structure of the coordinate system,
function keys, visibility levels, and access to the system, please refer to the basic manual of the
ERZ 2000.

Setting the device type

If the device is used for custody transfer metering in conjunction with an ultrasonic flowmeter
without controller function, the ERZ 2000 can be operated in the following variants:
PTZ corrector ERZ 2004 USC,
superior calorific value corrector ERZ 2104 USC,
density corrector ERZ 2002 USC,
density corrector - energy ERZ 2102 USC.

21

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OPERATING THE ULTRASONIC COMPUTER

Usually, the variant of the device is set in the factory when the device is parameterized and cannot
be changed on site anymore. If the switching facility has not been locked in the factory, it is
possible to change the setting subsequently.

To do this, you have to be on the topmost access level (superuser). Press <0> Mode, select the
Base values chapter and then the Device type function to browse the variants. Press Enter to
confirm your selection or change over to another variant.

22

Gas meter / volume data logging

The data of the gas meter used have to be communicated to the corrector as transmitter data.
Apart from the parameters for measurement, the type, manufacturer, serial number, etc., have to
be entered in the Meter chapter as well. Then these data appear automatically in the ID display.

Example for data entry:
Press <9> Meter. The arrow () is located on Flow rate parameters. Press Enter and then the
Cursor Down key to access the relevant values and enter the data.

The Volume transmitter mode function in the Flow rate parameters chapter defines the operating
mode for calculating the volume at measurement conditions.

The operating modes 1 to 14 describe the operation of the device in conjunction with turbine
meters or other meters with a pulse output, No. 17 with an orifice plate. For further details, please
refer to the basic manual.

1. Vo Vm is calculated from Vo, ENCO totalizer provides data via protocol.

2. Vo, LF1-chan. Vm is calculated from Vo, LF input is used for comparison.

3. Vo, HF1-chan. Vm is calculated from Vo, HF input is used for comparison.

4. Vo, HF2-chan. 1/1 Vm is calculated from Vo, HF inputs are used for comparison.

5. Vo, HF2-chan. X/Y Vm is calculated from Vo, HF inputs are used for comparison.

6. LF1-chan., Vo Vm is calculated from the input signal, Vo is only used for comparison.

7. HF1-chan., Vo Vm is calculated from the input signal, Vo is only used for comparison.

8. HF2-chan. 1/1, Vo Vm is calculated from the input signal, Vo is only used for comparison.

9. HF2-chan. X/Y, Vo Vm is calculated from the input signal, Vo is only used for comparison.

10. LF1-chan. 1-channel operation with LF input (only metering, no flow rate).

11. HF1-chan. 1-channel operation with HF input.

12. HF2-chan. 1/1 2-channel operation with HF inputs of the same value.

13. HF2-chan. X/Y 2-channel operation with HF inputs of different value.

14. HF LF 2-channel operation with HF input (meas.) and LF input (comp.).

15. DZU Vm is supplied via DZU protocol.

16. IGM Activates the integrated ultrasonic controller (sensor data are supplied

by the ultrasonic measuring head).

17. Orifice An orifice plate is used to calculate the volume.

Modes 15 and 16 describe how the device is operated in conjunction with an ultrasonic flowmeter.

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The DZU operating mode (15) requires another functional unit (remote unit) to be interconnected between
the measuring head and the volume corrector. This is either the external USZ 9000 remote unit which
represents the main totalizer from the point of view of custody transfer metering or the USE 09-C ultrasonic
electronic system with an integrated controller and main totalizer. The DZU protocol transmits meter
readings, flow rates and status information for diagnostic purposes. In the case of the ERZ 2000, a
USZ 9000 is to be connected to the COM 2 interface ("DZU" mode, 9600 baud); a USE 09-C is to be
connected to the COM 1 interface ("DZU" mode, 19200 baud).

OPERATING THE ULTRASONIC COMPUTER

Example of the DZU mode (for the USE 09-C)

23

USE 09-C

Paths 1, 2

Paths 3, 4

Paths 5, 6

DZU protocol

ERZ 2000

Corrector

Alternatively: pulses

(volume, alarm, direction)

The IGM mode (16) does not require any interconnected hardware (remote unit); the volume
corrector communicates directly with the measuring head of the ultrasonic flowmeter. The
measuring element is to be connected to the COM 1 interface ("USE09" mode, 38400 baud) of the
ERZ 2000.

Example of the IGM mode (for the USE 09)

USE 09

Paths 1, 2

Paths 3, 4

Paths 5, 6

Internal bus

ERZ 2000

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OPERATING THE ULTRASONIC COMPUTER

Special information: "Parameters for the volume at measurement conditions in
conjunction with ultrasonic flowmeters"

DZU: ERZ 2000 with USE 09-C ultrasonic flowmeter control unit

If you choose this mode, the FH ultrasonic flowmeter diagnosis function is of importance. Here
the following information will be shown:

24

The average velocity of sound measured, indication of the unit, gas velocities of paths 1 to 6,
velocities of sound of paths 1 to 6, AGC (automatic gain control) levels for upstream and
downstream directions, measurement qualities 1 to 6 (= indication of valid measurements in
percent), alarm statuses, and the representation of messages of the USE 09-C.

Functions from the operating modes with pulse input continue to be active and are used
appropriately. These functions include the following:

Starting up and shutting down a plant:

Start-up is trouble-free if qm passes the range from the creeping quantity limit to the lower alarm
limit during start-up and slow-down. An alarm is generated if qm is still below the alarm limit and
above the creeping quantity limit after the start-up or slow-down time has been exceeded. An alarm
is defined as going when the lower alarm limit is passed (when the plant is started up) or when the
creeping quantity limit is passed (when the plant is shut down).

Start-up/slow-down time:

There is a separate "Start-up/Slow-down" chapter to be found under the <9> Meter key. Here you
can see the momentary state, the current start-up and slow-down times and the parameters for the
start-up and slow-down times.
Start-up and slow-down times are parameters for the time monitoring of the lower flow rate limit
qmmin. The qmmin alarm is not triggered until one of these times has elapsed. These parameters
are important for the start-up and slow-down phases.

Creeping quantity limit:

The Vm and Vb totalizer readings are not increased as long as the flow rate at measurement
conditions is below the creeping quantity limit.
Creeping quantity mode:
There are the two following options:
Do not use ("discard") the creeping quantities occurred.
Use the creeping quantities occurred and add ("accumulate") them to normal quantities.

USZ effect of fault:

It is shown whether USZ protocol errors (DZU protocol) are signalled as an alarm or warning or
whether they are not signalled. This depends on the operating mode selected.

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OPERATING THE ULTRASONIC COMPUTER

Error curve linearization of volume metering when using the USE 09-C

The error curve linearization of the gas meter can optionally be performed using three different
methods.

Error curve linearization with polynomial related to the flow rate

Error curve linearization with polynomial related to the Reynolds number

25

Error curve linearization using the interpolation point method

These methods are identical to the methods used in the case of turbine meters.

For further descriptions of the different methods, please refer to the basic manual.

IGM: ERZ 2000 with integrated ultrasonic controller

If this operating mode is selected, there are several new functions which will be described here in
more detail.

EN ID data of the ultrasonic electronic system of the measuring element of type USE 09

(pre-configured for up to 8 paths)

As with the USE 08 predecessor version comprising three modules of type IGM for two paths each,
two paths each are assigned to an imaginary IGM in the case of the USE 09 too.

FH Ultrasonic flowmeter diagnosis

This function is provided not only for indicating diagnostic values when connecting the USE 09-C,
but also for the ERZ 2xxx USC types; here, however, only fields 3 to 32 with gas velocities of paths
1 to 6, velocities of sound of paths 1 to 6, AGC levels for upstream and downstream directions, and
the measurement quality (= indication of valid measurements in percent). The representation for 6
paths has been adapted to the USZ 08. For more detailed information about the individual paths,
see columns HN to HU (see page 31).

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OPERATING THE ULTRASONIC COMPUTER

EN ID display IGM 1

26

Access Line Designation Value Unit

J 1 Identification 0

J 2 Version

J 3 Checksum

J 4 Relay delay time 0 ms

J 5 Batches 0

J 6 Pulses 0

J 7 FIFO len 0

J 8 V min. 0.00 m/s

J 9 V max. 0.00 m/s

J 10 C min. 0.00 m/s

J 11 C max. 0.00 m/s

J 12 Amplitude high 0.00

J 13 Amplitude low 0.00

J 14 Signal high 0.00 dB

J 15 Signal low 0.00 dB

E § 16 Sensor No. 1.1

E § 17 Sensor No. 1.2

12345676

00000000

EO ID display IGM 2

As EN ID display IGM 1

EP ID display IGM 3

As EN ID display IGM 1

EQ ID display IGM 4

As EN ID display IGM 1

J 18 Path 1 length 0.000 mm

J 19 Path 1 Axial len. 0.000 mm

J 20 Path 1 C theo. 0.000 m/s

J 21 Dead time path 1 0.000 μs

J 22 F transmit path 1 0.000 Hz

J 23 F receive path 1 0.000 Hz

J 24 Measurements P1 0.000

E § 25 Sensor No. 2.1

E § 26 Sensor No. 2.2

J 27 Path 2 length 0.000 mm

J 28 Path 2 Axial len. 0.000 mm

J 29 Path 2 C theo. 0.000 m/s

J 30 Dead time path 2 0.000 μs

J 31 F transmit path 2 0.000 Hz

J 32 F receive path 2 0.000 Hz

J 33 Measurements P2 0.000

00000000

00000000

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OPERATING THE ULTRASONIC COMPUTER

FH ultrasonic flowmeter diagnosis

Access Line Designation Value Unit

A 1 VOS mean 0 m/s

A 2 VOS unit 0

D 3 V gas 1 0 m/s

D 4 V gas 2 0 m/s

D 5 V gas 3 0 m/s

D 6 V gas 4 0 m/s

D 7 V gas 5 0 m/s

D 8 V gas 6 0 m/s

D 11 VOS 1 0 m/s

D 12 VOS 2 0 m/s

D 13 VOS 3 0 m/s

D 14 VOS 4 0 m/s

D 15 VOS 5 0 m/s

D 16 VOS 6 0 m/s

D 19 AGC up 1 0

D 20 AGC down 1 0

D 21 AGC up 2 0

D 22 AGC down 2 0

D 23 AGC up 3 0

D 24 AGC down 3 0

D 25 AGC up 4 0

D 26 AGC down 4 0

D 27 AGC up 5 0

D 28 AGC down 5 0

D 29 AGC up 6 0

D 30 AGC down 6 0

D 35 Meas.quality 1 0 %

D 36 Meas.quality 2 0 %

D 37 Meas.quality 3 0 %

D 38 Meas.quality 4 0 %

D 39 Meas.quality 5 0 %

D 40 Meas.quality 6 0 %

Gas velocities

paths 1 to 6

Velocities of sound

paths 1 to 6

AGC level paths 1 to 6

for upstream and

downstream directions

Measurement quality =

Indication of valid

measurements in percent

27

Not only the fields for path nos. 7 and 8 prepared for extensions were left out in the above table,
but also system messages for RMG service engineers (lines 43 to 74).

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OPERATING THE ULTRASONIC COMPUTER

GI ultrasonic volume transmitter

28

Access Line Designation Value Unit

B 1 No. samples for SV

140

Number of measured values used to calculate replacement
values. Here a coefficient matrix is formed which is used to
reconstruct a failed path by means of a replacement value.
The higher the number parameterized here, the better the
replacement value obtained, but the longer the determination
process. Therefore, we would recommend choosing a small
number on start-up to obtain reasonably useful replacement
values as soon as possible.

E § 2 Number of paths

E § 3 zero point noise

E § 4 KV-factor

E § 5 Allowed brok.paths

E § 7 Measurem. quality

E § 8 Communic. quality

B 9 VOS upper limit

B 10 VOS lower limit

6

0.000

1.00000

2

70

95

500.00000

150.00000

Number of paths used.

Path velocities below this limit will be disregarded. Parallel to
this, you can also set the creeping quantity limit. However,
please note that zero-point noise has the higher priority. This

m/s

means, that suppressed quantities are not included in the
flow or totalizer calculation and are already eliminated for
creeping quantity parameterization.

Number of paths which may fail without tripping an alarm.

Minimum measurement quality expected. If the measurement
quality of a path falls short of this value, the path will be

%

deemed to have failed. 70% is a sufficiently good value.

Minimum communication quality expected. If the
communication quality of a path falls short of this value, the

%

path will be deemed to have failed. 95% is a sufficiently good
value.

Maximum velocity of sound expected. If the velocity of sound
of a path exceeds this value, the path will be deemed to have

m/s

failed.

Minimum velocity of sound expected. If the velocity of sound

m/s

falls short of this value, the path will be deemed to have failed.

A § 11 Velocity of sound

A § 12 Direction

0.00000

Direction 1

D 13 IGM startup 0

A § 14 Broken path

6

D 16 IGM cycle quantity .000000 m3

I 17 Timeout IGM 1 9999

Velocity of sound averaged through all undisturbed paths.

m/s

Flow direction signal. Positive path velocities are regarded as
direction 1.

Startup phase of the IGMs. During the startup phase of the
IGMs, alarm messages due to path failures will be
suppressed. The startup phase takes 10 seconds.

Number of currently failed paths.

Counts the communication timeouts regarding IGM 1. The
numerical values run up to 9999 and then stop. The
numerical values can be reset by means of IGM Reset (GI 21).

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I 18 Timeout IGM 2 9999

OPERATING THE ULTRASONIC COMPUTER

Counts the communication timeouts regarding IGM 2. The
numerical values run up to 9999 and then stop. The
numerical values can be reset by means of IGM Reset (GI 21).

I 19 Timeout IGM 3 9999

I 20 Timeout IGM 4 0

Q 21 IGM Reset

E § 22 max. VOS deviation

0

0.000

D 23 Path status 33333311

X 24 SV reset

no

D 25 SV status Valid

D 26 SV range 12

D 27 SV valid 11

D 28 SV set 1

D 29 SV not valid 12

dito

dito

Type in 1: Timeout (e.g. IGM 1) will be reset. The IGM ID data
will be read in again.

Maximum permissible deviation of the path-related velocity of
sound from the velocity of sound averaged through all

%

undisturbed paths.

Synoptic display of all path statuses. The display consists of 8
digits. The left digit represents the status to path 1, the right
digit the status to path 8. Each digit position can take the
following values:

 0 = OK: There is no cause for failure.
 1 = unused: The path is not used.
 2 = Measurement quality: The minimum quality

required was not reached.

 3 = Communication quality: The minimum quality

required was not reached.

29

Synoptic display of all VOS statuses. The display consists of 8
digits. The left digit represents the status to path 1, the right
digit the status to path 8. Each digit position can take the
following values:

D 30 VOS status 33333311

 0 = OK:
 1 = unused: The path is not used.
 2 = VOS>maximum was exceeded.
 3 = VOS<minimum was not reached.
 4 = VOS deviation was exceeded.

D 31 Swirl 0.000 %

D 32 Double swirl 0.000 %

D 33 Asymmetry 0.000 %

D 34 Crossflow 0.000 %

B 35 show VOS error

S 36 IGM timeout period

S 37 def.C-Mode

no

20

yes

·10 ms

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OPERATING THE ULTRASONIC COMPUTER

In addition to the above parameters, please note further parameters from function GB Flow
parameters!

To ensure correct flow rate calculation, you must enter the precise inside diameter of the meter in
coordinate GB-55 (nominal diameter). You can find this information in the annex to the verification
certificate. From software version 1.5 upwards, this value can no longer be found in GB-55, but has

30

to be entered in GA-08 (pipe diameter).

In IGM mode, there are three polynomials for correction:

GM Reynolds number correction,
GN base correction,
GO error curve linearization.
All the other polynomials and interpolation point methods are switched off. The parameters are
calculated in the factory.

GM Reynolds number correction, ultrasonic flowmeter

Access Line Designation Value Unit

no

1.00000

0.00000

1.00000

1.00000

0.00000

1.00000

1.00000

A § 1 Re corr. factor

E § 10 Reynolds correction

E § 21 Coeff. A dir. 1

E § 22 Coeff. B dir. 1

E § 23 Coeff. C dir. 1

E § 31 Coeff. A dir. 2

E § 32 Coeff. B dir. 2

E § 33 Coeff. C dir. 2

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OPERATING THE ULTRASONIC COMPUTER

GN base correction, ultrasonic flowmeter

Access Line Designation Value Unit

A § 1 base corr. factor

E § 10 Base correction

E § 21 Coeff. A-2 dir. 1

E § 22 Coeff. A-1 dir. 1

E § 23 Coeff. A0 dir. 1

E § 24 Coeff. A1 dir. 1

E § 25 Coeff. A2 dir. 1

E § 31 Coeff. A-2 dir. 2

E § 32 Coeff. A-1 dir. 2

E § 33 Coeff. A0 dir. 2

E § 34 Coeff. A1 dir. 2

E § 35 Coeff. A2 dir. 2

0.00000

yes

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

%

31

GO error curve linearization, ultrasonic flowmeter

Access Line Designation Value Unit

A § 1 err.crv.corr.fact.

E § 10 Error curve corr.

E § 21 Coeff. A-2 dir. 1

E § 22 Coeff. A-1 dir. 1

E § 23 Coeff. A0 dir. 1

E § 24 Coeff. A1 dir. 1

E § 25 Coeff. A2 dir. 1

E § 31 Coeff. A-2 dir. 2

E § 32 Coeff. A-1 dir. 2

E § 33 Coeff. A0 dir. 2

E § 34 Coeff. A1 dir. 2

E § 35 Coeff. A2 dir. 2

0.00000

no

0.00000e+00

1.05247e+03

-3.28150e+00

8.60000e-04

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

0.00000e+00

%

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OPERATING THE ULTRASONIC COMPUTER

Function GP effects of correction shows the measured values before and after the various effects
of the polynomials.

GP effects of correction

32

Access Line Designation Value Unit

A § 1 Velo. uncorr.

A § 2 Velo, Re-corr.

A § 3 Velo, basecorr.

A § 4 Velo, errcrv.corr.

A § 5 Flow, uncorr.

A § 6 Flow, Re-corr.

A § 7 Flow, basecorr.

A § 8 Flow, errcrv.corr.

A § 9 Re, uncorr.

A § 10 Re, Re-corr.

A § 11 Re, basecorr.

A § 12 Re, errcrv.corr.

0.000

0.000

0.000

0.000

0.00000

0.00000

0.00000

0.00000

0

0

0

0

m/s

m/s

m/s

m/s

m3/h

m3/h

m3/h

m3/h

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OPERATING THE ULTRASONIC COMPUTER

HN path 1

Access Line Designation Value Unit

A § 1 Corrected velocity

0.000

m/s

D 2 Status Uncertain

I 3 Genuine velocity 0.000 m/s

D 4 Substitute value 0.000 m/s

I 5 Measurem. quality 0 %

Path velocity as used for flow determination.

Status of determination of HN 01.

Uncertain

Specified status after a restart of the corrector or
setting with signed-off path.

Source value

with direction 1
or
with direction 2

Procedure followed if path is undisturbed.

Replacement value

with direction 1
or
with direction 2

Procedure followed if path is disturbed. The cause
for path disturbance can be seen in HN 10.

Original path velocity obtained from the sensor system.

Current replacement value. This value is obtained from a linear
combination of all path velocities (except for path 1). The

coefficient matrix is obtained during the undisturbed phase by

monitoring and averaging the velocity ratios. The averaging
behaviour can be set in GI 01.

Current measurement quality as reported by the sensor
system. The measurement quality can be in the range from 0
to 100 percent. The minimum measurement quality expected
can be set in GI 07 Measurement quality. If the measurement
quality falls short of this value, the path will be deemed to
have failed.

33

Current communication quality. The communication quality
can be in the range from 0 to 100 percent. It is to be
determined as follows.

 Fatal errors will immediately reduce the quality to 0%.
 Syntactical errors will reduce the quality by 20%.
 A noise is expected regarding the measured values. If the

sensor system successively transmits the same set of
measured values, quality will be reduced by 12 percent.

 Every single communication primitive failed will reduce

quality by 1%. There are 15 primitives per path and

D 6 Communic. quality 0 %

I 7 VOS 0.00000 m/s

correction cycle, so that in the worst case the total effect
can be 15% per path and corrector cycle.

 With each correction cycle, quality will be reduced by 1%.

This will result in a general trend towards deterioration
taking unknown or unconsidered cases into account.

 Every perfectly performed total communication cycle (of

all paths) will lead to an improvement in quality by 10%.

The minimum communication quality expected can be set in GI
08 Communication quality. If the communication quality falls
short of this value, the path will be deemed to have failed.

Original velocity of sound obtained from the sensor system.

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OPERATING THE ULTRASONIC COMPUTER

34

D 8 Comparison VOS 0.00000 m/s

D 9 VOS-deviation 0.000 %

D 10 Path Status Communic. quality

D 11 Path VOS status VOS<minimum

I 15 AGC up 1 0

I 16 AGC down 1 0

E § 31 Weighting

1.00000

Mean value of the velocity of sound of all the other
undisturbed paths (except for path 1), to calculate HN 09.

Deviation in percent of the velocity of sound of path 1 from the
mean value of all the other undisturbed paths (except for path

1).

Status showing the cause for path failure.

 OK: There is no cause for failure.
 unused: The path is not used.
 Measurement quality: The minimum quality required was

not reached.

 Communication quality: The minimum quality required

was not reached.

Indication of status, velocity of sound of path 1

 OK: There is no cause for failure.
 unused: The path is not used.
 VOS>maximum: Maximum value was exceeded.
 VOS<minimum: Minimum value was not reached.
 VOS deviation: Permissible deviation was exceeded.

Gain factor of path 1 in UPSTREAM direction.

Gain factor of path 1 in DOWNSTREAM direction.

Weighting of the corrected path velocity 1 as a contribution for
the determination of the mean flow rate. Weightings need not
be entered as per-unit values.

E § 32 Corr. fact. dir. 1

E § 33 Corr. fact. dir. 2

E § 34 Mapping

1.00000

1.00000

10

Correction factor for path velocity 1 in direction 1

Correction factor for path velocity 1 in direction 2

Offers the possibility to rearrange the sensor system via
addressing. As default, path 1 has address 10, path 2 address
11, path 3 address 20, ..., path 8 address 41.

For HO path 2 to HU path 8: all as in HN path 1.

Paths 7 and 8 are already pre-configured for expansions.

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OPERATING THE ULTRASONIC COMPUTER

Acknowledging alarm and warning messages and events

Functioning of alarm and warning messages
Warning and alarm messages are indicated by a yellow (warning) or red (alarm) LED on the front
panel of the device. The warning relay or alarm relay closes parallel to this.
The active message is indicated by a flashing LED. If the message goes, the LED will turn to steady
light. If there is more than one message at the same time, the flashing light prevails. For univalent
messages, there is only the state "Message is active". No coming or going is indicated, and
therefore, the active state of these messages is retained until they are acknowledged.

35

The warning or alarm relays pick up as soon as a message comes and release again if all messages
are gone. In the case of univalent messages, the relays remain picked up until the messages are
acknowledged.

!

Warning and alarm messages have to be acknowledged by pressing the Alarms key (

).
All messages which have not been acknowledged will be displayed. If there are no more events, the
following text will appear: "no error".

The following messages are displayed on the ERZ 2000 USC, the messages from the ultrasonic
electronics USE 09 in the measuring element are listed in the section "Alarm and warning
messages USE 09".

Alarm messages in connection with the operation of an ultrasonic flowmeter

52-6 A illegal Illegal operation mode
80-1 A IGM SV invalid IGM invalid substitute value used
80-2 A Path failure >max Number of path failure is greater than allowed
93-5 A DZU alarm DZU transmitter signalises an alarm
93-6 A DZU timeout DZU transmitter does no longer communicate

Warning messages in connection with the operation of an ultrasonic flowmeter

81-1 W Path 1 measurem. Path 1 measurement quality less than demanded
81-2 W Path 2 measurem. Path 2 measurement quality less than demanded
81-3 W Path 3 measurem. Path 3 measurement quality less than demanded
81-4 W Path 4 measurem. Path 4 measurement quality less than demanded
81-5 W Path 5 measurem. Path 5 measurement quality less than demanded
81-6 W Path 6 measurem. Path 6 measurement quality less than demanded
81-7 W Path 7 measurem. Path 7 measurement quality less than demanded
81-8 W Path 8 measurem. Path 8 measurement quality less than demanded
81-9 W Path 1 communic Path 1 communication quality less than demanded
82-0 W Path 2 communic Path 2 communication quality less than demanded
82-1 W Path 3 communic Path 3 communication quality less than demanded
82-2 W Path 4 communic Path 4 communication quality less than demanded

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OPERATING THE ULTRASONIC COMPUTER

82-3 W Path 5 communic Path 5 communication quality less than demanded
82-4 W Path 6 communic Path 6 communication quality less than demanded
82-5 W Path 7 communic Path 7 communication quality less than demanded
82-6 W Path 8 communic Path 8 communication quality less than demanded

Hints in connection with the operation of an ultrasonic flowmeter

36

82-7 H Path 1 VOS Path 1 VOS implausible
82-8 H Path 2 VOS Path 2 VOS implausible
82-9 H Path 3 VOS Path 3 VOS implausible
83-0 H Path 4 VOS Path 4 VOS implausible
83-1 H Path 5 VOS Path 5 VOS implausible
83-2 H Path 6 VOS Path 6 VOS implausible
83-3 H Path 7 VOS Path 7 VOS implausible
83-4 H Path 8 VOS Path 8 VOS implausible
93-4 H USZ,DZU implaus. USZ, DZU transmitter, implausible protocol data

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RMGVIEW DIAGNOSTIC SOFTWARE

RMGView diagnostic software

Functions

The RMGView diagnostic software allows the USE 09 measuring electronic system to be directly
accessed with a PC. The program provides the following features:

 Reading out all available data from an ultrasonic flowmeter using the USE 09.
 Automatic detection of the USE 09 software version.
 Displaying measured values and parameters as a list.
 Password-protected editing of the USE 09 parameters.
 Displaying measured values as a graphic.
 Creating user-defined lists (e.g. for test certificates).
 Creating user-defined graphics.
 Parameterizing the USE 09 (with open calibration switch).

Installation

37

System requirements

The program runs on all Windows versions from Windows 98 upwards.
Requirements for speed, RAM and hard disk memory are low.
You need a serial interface to connect the USE 09. You can use standard COM interfaces and USB
interfaces; however, you need an interface converter for RS 485 to RS 232 or USB.

Installing the program

If you install a new version of RMGView, it is not necessary to uninstall its predecessor version.
If you have received the program by e-mail, unzip the attached zip file. Start the
RMGViewInstaller(version number).exe installer.
If you have received the program on a CD, the CD should automatically start when you insert it into
the CD drive. Otherwise, navigate to the CD directory and start the RMGViewInstaller(version
number).exe installer.
The installer will guide you through the further installation process.
When you start the program for the first time, you will possibly have to set the Modbus parameters
in menu item "Settings,Modbus": select the COM port, baud rate: 38400, bits-parity-stop bits: 8N1,
Modbus address: 1.

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RMGVIEW DIAGNOSTIC SOFTWARE

Connecting a PC

Use the RS 485-0 interface to connect a PC to the measuring element of the USZ 08. To do this,
you need an interface converter for RS 485 to RS 232 or USB. If available, you can also use a 9-pin
sub D connector in the control cabinet to connect the PC to the service interface. Pin assignments
will be as follows:

38

USE 09 (RS 485 0) Control cabinet

Assignments

connection
GD
a
b

5
3
8

GND
Tx
Rx

Calibration switch of the USE 09

Open the calibration switch to parameterize the ultrasonic electronic system. This switch is located
above the electrical connections.

Close

7.17.2 8.2 8.1

5.15.2 6.2 6.1

3.13.2 4.2 4.1

1.11.2 2.2 2.1

Service Reset Calibra tion

-

------ -

PE GD

+

++++++ +

24 VDC

Warn

Alarm

a

Puls1

Puls2

I/O1

I/O2

RS 485 0

aa 11113b

bb 2

RS 485 1

RS 485 2

Power
Flow
Warning
Alarm

24GD GD

4-20

AUX1

AUX2

mA

Reset Calibration

Open

or

Open

PE12345678910111213141516 17181920212223242526272829303132PEPE PE

------- -

+++++++ +

24 VDC

Warn

GD GD GD

aaa

bbb

Alarm

Puls1

Puls2

I/O1

I/O2

RS 485 0

2 234

RS 485 1

RS 485 2

4-20

AUX1

AUX2

mA

ServiceCalibration

Close

Operating the program

For the RMGView diagnostic software a separate manual is available which can be found as a pdf
document on the data storage medium with the software. Please take all information needed from
this document.

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USE 09 MEASURED VALUES AND PARAMETERS

USE 09 measured values and parameters

Access

Using the RMGView diagnostic software, you can display and, if necessary, also edit all measured
values and parameters of the USE 09 ultrasonic electronic system. However, you have to
distinguish whether you want to use the controller functions of the USE 09-C or of the
ERZ 2000 USC.

USZ 08 without the ERZ 2000 USC Flow Computer

All the parameters listed below will be visible on the display of the USE 09-C and will be used to
calculate the flow rate.

USZ 08 with the ERZ 2000 USC Flow Computer

The parameters of the controller function are stored in the ERZ 2000 USC which, in this
configuration, fulfills the tasks of the ultrasonic control computer. Furthermore, using RMGView you
can display the whole matrix; however, the parameters in the columns of the controller function are
of no significance. These are in particular the columns identified by the "USE 09-C" addition. These
are hidden in the display of the USE 09 which is optionally available.

39

List of measured values and parameters

The following tables show the parameters which can be displayed or edited using the RMGView
diagnostic software. The coordinate shown in the left column corresponds to that displayed in
RMGView. In the case of different device software versions, individual parameters may have
different coordinates.

The second column shows how the individual values are protected:

A: Display values which cannot be changed.
C: User data which can be changed via the user code.
E: Custody transfer metering data which can only be changed if the calibration switch is open.
F: Free parameters without protection.
S: Specially protected parameters which can only be changed via the user code and the

calibration switch.

In the case of some values the units are variable depending on the setting in the Mode column (Y).
These values are identified by "&":

&v: m/s or ft/s (flow velocity)
&Q: m³/h or acfh (flow rate)
&P: P/m³ or P/cf (pulse factor)
&Z: m³ or acf (totalizers)

The column to the right of the Modbus address shows the data type. For further information, see
chapter "Brief description of the USE09 Modbus".

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USE 09 MEASURED VALUES AND PARAMETERS

Pressure (option)

40

A-01 A pressure bar_a 6252 F Indication of the pressure at measurement conditions

A-03 A current input mA 6254 F Indication of the input value in mA

A-05 E p min value bar_a 1392 F Pressure at measurement conditions, min. value

A-06 E p max value bar_a 1394 F Pressure at measurement conditions, max. value

A-09 E p set value bar_a 1396 F Pressure at measurement conditions, set value

A-11 E p at base cond. bar_a 1398 F Pressure at base conditions

A-12 E curr. inp. gradient 1400 F Gradient (correction of the mA value)

A-13 E curr. inp. offset 1402 F Offset (correction of the mA value)

A-14 E p err. min bar_a 1404 F Pressure at measuring conditions, lower error limit

A-15 E p err. max bar_a 1406 F Pressure at measuring conditions, upper error limit

A-17 E p mode 4078 M Pressure at measurement conditions, operating mode (OFF, SET

Value Unit Modbus Description

VALUE, 4-20mA, 4-20mA_ERR)

Note: If a pressure transmitter is connected to the USE 09 ultrasonic electronic system, the

measured value displayed here is not identical to that of the associated volume
corrector!

Temperature (option)

B-01 A temperature °C 6256 F PT100 input, indication of the temperature

B-03 A PT100 resistance Ohm 6258 F PT100 input, indication in ohm

B-09 E T set value °C 1408 F PT100 input, set value for temperature

B-11 E T at base cond. K 1410 F Temperature at base conditions

B-12 E T gradient 1412 F Gradient (correction of the ohm value)

B-13 E T offset 1414 F Offset (correction of the ohm value)

B-14 E T err. min °C 1416 F PT100 input, temperature, lower error limit

B-15 E T err. max °C 1418 F PT100 input, temperature, upper error limit

B-17 E T mode 4079 M PT100 input, operating mode (OFF, SET VALUE, PT100, PT100_ERR)

Value Unit Modbus Description

Note: If a temperature transmitter is connected to the USE 09 ultrasonic electronic system, the

measured value displayed here is not identical to that of the associated volume
corrector!

USE09-C measured values

C-01 A vw &v 6220 F Indication of Vw

C-02 A vwc &v 6222 F Indication of Vwc

C-03 A Qm &Q 6224 F Intermediate result for Qm (with preceding sign)

C-04 A Qmb &Q 6238 F Intermediate result for Qmb (with preceding sign)

C-05 A Qmc &Q 6226 F Intermediate result for Qmc (with preceding sign)

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

Value Unit Modbus Description

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USE 09 MEASURED VALUES AND PARAMETERS

USE09-C flow rate Qm

D-01 A vol. flow rate Qm &Q 730 T Volumetric flow rate Qm after all corrections (as amount) with

D-02 A vol. flow rate Qm &Q 6230 F Volumetric flow rate Qm after all corrections (Qm lower limit will be

D-03 A Qm damped &Q 6264 F Volumetric flow rate Qm damped (Qm lower limit will be observed)

D-04 E Qm min. &Q 1320 F Qm min. limit

D-05 E Qm max. &Q 1322 F Qm max. limit

D-06 E vw factor d1 [1] 1324 F Constant Kv direction 1

D-07 E vw factor d2 [1] 1436 F Constant Kv direction 2

D-08 E vw lower limit &v 1326 F vw lower limit (creeping quantity before applying polynomial)

D-09 E Qm lower limit &Q 1328 F Qm lower limit (creeping quantity)

D-10 E Qm-min time sek 2120 I Time below Qm min

D-15 C Qm damping 1446 F Damping for Qmc-D (0.0=off, 1.0=max)

D-16 E pipe diameter mm 1334 F Pipe diameter

D-17 E geometry correcting 2258 M Correction of the effects of pressure and temperature (OFF, ON)

D-18 E temp. coefficient 1450 F Temperature coefficient

D-19 E pressure coeff. 1452 F Pressure coefficient

D-20 E Qm-max value &Q 1330 F Qm max. value of direction 1

D-21 E Qm-max time 2580 U Time of Qm max. value

D-22 E Qm-max value &Q 1332 F Qm max. value of direction 2

D-23 E Qm-max time 2582 U Time of Qm max. value

Value Unit Modbus Description

upstream/downstream identification

observed)

USE09 parameters

41

E-01 E USE09 working mode 2090 M USE09 operating mode (IGM, USE09C, SIMU)

E-02 E path select 690 T Select activated paths (path 1.1, path 1.2 to path 4.2)

E-03 E max. path RV 2121 I Max. number of replacement values used

E-04 E fault time s 2122 I Time limit for IGM timeout

E-05 E error per cent % 2123 I A measurement quality below this level will cause a path error

E-09 E moving average cnt 2125 I Number of measured values for the moving average, V,VOS

E-15 C VOS mode 2240 M VOS mode (STANDARD, EXTENDED, CALIBRATION)

E-16 C delta VOS mode 2091 M Delta C monitoring (OFF, ON)

E-17 C delta VOS limit % 1344 F Limit for delta C

E-18 E c-corr factor [1] 1370 F Factor for C correction

E-19 E v-corr factor [1] 1372 F Factor for V correction

E-20 C delta AGC limits dB 1438 F Max. deviation between path-AGC and AGC-mean

E-21 E tw correct 2281 M Correct TWs (OFF, SET)

E-22 C tw damping 1518 F Damping for TW adjustment

Value Unit Modbus Description

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USE 09 MEASURED VALUES AND PARAMETERS

USE09-C polynomials

42

G-01 E err. curve lin. 2093 M Error curve linearization mode (OFF, POLYNOMIAL)

G-02 E const m2 d.1 [1] 1276 F Error polynomial for direction 1

G-03 E const m1 d.1 [1] 1278 F Error polynomial for direction 1

G-04 E const 0 d.1 [1] 1280 F Error polynomial for direction 1

G-05 E const 1 d.1 [1] 1282 F Error polynomial for direction 1

G-06 E const 2 d.1 [1] 1284 F Error polynomial for direction 1

G-10 E const m2 d.2 [1] 1306 F Error polynomial for direction 2

G-11 E const m1 d.2 [1] 1308 F Error polynomial for direction 2

G-12 E const 0 d.2 [1] 1310 F Error polynomial for direction 2

G-13 E const 1 d.2 [1] 1312 F Error polynomial for direction 2

G-14 E const 2 d.2 [1] 1314 F Error polynomial for direction 2

Value Unit Modbus Description

Frequency, pulse outputs

H-01 A fo base value &Q 6248 F Measured value of the frequency output

H-02 A frequency value Hz 6250 F Frequency value of the frequency output (in Hz)

H-03 E fo corr. factor 1386 F Correction factor of the frequency output

H-04 A corr. frequency Hz 6266 F Correction of the frequency value of the frequency output (in Hz)

H-05 E fo base max. &Q 1388 F Upper range value of the frequency output (physical value)

H-06 E fo freq. max. Hz 1444 F Maximum value of the frequency output (in Hz)

H-07 A pulse value &P 6262 F Indication of the calculated pulse value of the frequency output

H-08 E fo set value Hz 1390 F Calibration frequency

H-09 C fo select 2161 M Selection of the measured value for the frequency output (QMC, QMCD)

H-10 E fo mode 2162 M Operating mode of the frequency output (OFF, SET VALUE, ON, TEST)

H-11 E fo2 error mode 2163 M Frequency-2 mode if a fault occurs (F2 STOP, F2 ACTIVE, CRYSTAL TEST)

H-12 A ferr waveform gen. Hz 6260 F Frequency delta (FOut: waveform generator)

H-15 C IO-1 mode 2165 M Mode for IO-1 (OFF, DIRECTION, DIRECTION INV., INPUT, TEST,

H-16 C IO-2 mode 2166 M Mode for IO-2 (OFF, DIRECTION, DIRECTION INV., INPUT, TEST, CPU)

H-17 C mode ext. warning 2186 M Mode in the case of external warning (OFF, LOW_POWER)

H-20 C test alarm a. warn 4081 M Tests the warning and alarm contacts (OFF, TEST)

Value Unit Modbus Description

WARN-INPUT HIGH, WARN-INPUT LOW)

Current output

I-01 A c-out physical val. 6244 F Current output, physical value

I-02 A c-out value mA 6246 F Current output in mA

I-03 C c-out min. 1374 F Current output, physical minimum value

I-04 C c-out max. 1376 F Current output, physical maximum value

I-05 C c-out set value mA 1378 F Current output, set value

Value Unit Modbus Description

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I-06 C c-out select 2158 I Current output, selection of the measured value (Modbus reg.)

I-07 C c-out mode 2159 M Current output, operating mode (OFF, SET VALUE, 0-20mA, 4-20mA)

I-08 C c-out err mode 2160 M Current output, operating mode if a fault occurs (OFF, MIN, MAX)

I-09 C c-out damping 1380 F Current output, damping (0.0=OFF, 1.0=max)

I-10 E c-out gradient 1382 F Current output, gradient

I-11 E c-out offset 1384 F Current output, offset

USE 09 MEASURED VALUES AND PARAMETERS

43

Serial ports

J-12 N DZU-0 address 2283 I Serial interface -0 DZU slave ID (ASCII: 00-99)

J-13 A serial-0 status 760 T Serial interface -0, status

J-14 N serial-1 mode 2107 M Serial interface -1, mode (OFF, IGM, USE09, DZU, DZU-DIAG, DZU

J-15 N serial-1 baud rate baud 2108 M Serial interface -1, baud rate (2400, 4800, 9600, 19200, 38400, 57600)

J-16 N serial-1 bits 2109 M Serial interface -1, number of bits (7, 8)

J-17 N serial-1 parity 2110 M Serial interface -1, parity (NONE, EVEN, ODD)

J-18 N not available 2286 M Serial interface -1 Modbus operating mode (not yet available)

J-19 N not available 2287 M Serial interface -1 Modbus hardware (not yet available)

J-20 N not available 2288 I Serielle Schnittstelle -1 Modbus address (not yet available)

J-21 N not available 2289 I Serial interface -1 Modbus register offset (not yet available)

J-22 N not available 2290 I Serial interface -1 Modbus turn-off time (not yet available)

J-23 N DZU-1 address 2284 I Serial interface -1 DZU slave ID (ASCII: 00-99)

J-24 A serial-1 status 770 T Serial interface -1, status

J-25 N opt. ser2 mode 2112 M Optional serial interface -2, mode (OFF, IGM, USE09, MODBUS,

J-26 N opt. ser2 baud rate baud 2113 M Optional serial interface -2, baud rate (2400, 4800, 9600, 19200,

J-27 N opt. ser2 bits 2114 M Optional serial interface -2, number of bits (7, 8)

J-28 N opt. ser2 parity 2115 M Optional serial interface -2, parity (NONE, EVEN, ODD)

J-29 N Modbus-2 protocol 2178 M Optional serial interface -2, Modbus operating mode (OFF, RTU, ASCII)

J-30 N Modbus-2 hw-mode 2179 M Optional serial interface -2, Modbus hardware (RS232, RS485)

J-31 N Modbus-2 address 2180 I Optional serial interface -2, Modbus address (ID)

J-32 N Modbus-2 reg.offset 2181 I Optional serial interface -2, Modbus register offset

J-33 N Modbus-2 gap time 2182 I Optional serial interface -2, Modbus gap time

J-34 N long byte order 2251 M Ser-2 Modbus byte order with long: (1,0)(3,2) or (3,2)(1,0) (Normal,

J-35 N float byte order 2252 M Ser-2 Modbus byte order with float: (1,0)(3,2) or (3,2)(1,0) (Normal,

J-36 N double byte order 2253 M Ser-2 Modbus byte order with double: (1,0)(3,2)(5,4)(7,6) or

J-37 N DZU-2 address 2285 I Serial interface -2 DZU slave ID (ASCII: 00-99)

J-38 A serial-2 status 780 T Optional serial interface -2, status

J-39 E DZU interval tics 2111 I Serial interface -1, DZU interval

J-40 N DZU checksum preset 2255 M Serial interface -1, initial DZU checksum value (0x00, 0x7F)

Value Unit Modbus Description

X-FRAME, VO)

DZU-SLAVE)

38400, 57600)

SWAPPED)

SWAPPED)

(7,6)(5,4)(3,2)(1,0) (Normal, SWAPPED)

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USE 09 MEASURED VALUES AND PARAMETERS

DSP, FPGA values

44

K-20 A DSP status hex 4004 I DSP status (bit-coded)

K-21 A DSP error hex 4003 I DSP error (bit-coded)

K-22 A DSP bytes received 7034 I Counts the telegrams received from the DSP

K-23 A FPGA status hex 4006 I FPGA status (bit-coded)

K-24 A FPGA error hex 4005 I FPGA error (bit-coded)

Value Unit Modbus Description

Path# measured values

L (…S)-1 A p#.1 time of flight us 6100 F Path#.1 time of flight

L (…S)-2 A p#.2 time of flight us 6120 F Path#.2 time of flight

L (…S)-3 A path-# delta-t us 6140 F Path# time difference

L (…S)-4 A p# delta-t corr. us 6540 F Path# time difference corrected

L (...S)-6 A Valid samples G# % 7000 I Path# valid measured values in %

L (...S)-7 A path-# velocity &v 6000 F Path# path velocity

L (...S)-8 A velocity vc# &v 6200 F Path# corrected path velocity vc

L (...S)-9 A c# &v 6020 F Path# velocity of sound

L (...S)-10 A path-# delta c % 6080 F Path# path-VOS / total-VOS

L (...S)-12 A path-# fault hex 4030 I Path# path fault

L (...S)-13 A path-# status hex 4040 I Path# path status

L (...S)-14 A p#.1 amplitude % 7010 I Path#.1 amplitude in percent

L (...S)-15 A p#.2 amplitude % 7020 I Path#.2 amplitude in percent

L (...S)-16 A p#.1 AGC-level dB 6040 F Path#.1 AGC

L (...S)-17 A p#.2 AGC-level dB 6060 F Path#.2 AGC

L (…S)-18 A p#.1 snr dB 6640 F Path#.1 signal-to-noise ratio

L (…S)-19 A p#.2 snr dB 6660 F Path#.2 signal-to-noise ratio

L (…S)-20 A path-# fault (X) hex 2270 I Path# path fault (3X measurement)

L (…S)-21 A p#.1 AGC-level (X) dB 6680 F Path#.1 AGC (3X measurement)

L (…S)-22 A p#.2 AGC-level (X) dB 6700 F Path#.2 AGC (3X measurement)

L (…S)-23 A p#.1 snr (X) dB 6720 F Path#.1 signal-to-noise ratio (3X measurement)

L (…S)-24 A p#.2 snr (X) dB 6740 F Path#.2 signal-to-noise ratio (3X measurement)

Value Unit Modbus Description

Note: The Modbus addresses stated are for path 1! To determine the Modbus addresses for the

other paths, see chapter "Brief description of the USE09 Modbus".

Path# signal analysis

T (…AA)-1 A p#.1 tw offset us 6600 F Path#.1 corrected delay time

T (…AA)-2 A p#.2 tw offset us 6620 F Path#.2 corrected delay time

T (…AA)-3 A p# tw damped us 6830 F Path# delay time twd

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Value Unit Modbus Description

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USE 09 MEASURED VALUES AND PARAMETERS

USE09 measured values

AB-01 A VOS average &v 6228 F Average velocity of sound through all paths

AB-02 A p.1 AGC average dB 6056 F Path x.1 average AGC through all paths

AB-03 A p.2 AGC average dB 6076 F Path x.2 average AGC through all paths

Value Unit Modbus Description

USE09 diagnosis

AC-01 A Vz plane-1 &v 6560 F Vz velocity of plane 1

AC-02 A Vz plane-2 &v 6562 F Vz velocity of plane 2

AC-03 A Vz plane-3 &v 6564 F Vz velocity of plane 3

AC-04 A Vz plane-4 &v 6566 F Vz velocity of plane 4

AC-05 A Vx plane-1 &v 6568 F Vx velocity of plane 1

AC-06 A Vx plane-2 &v 6570 F Vx velocity of plane 2

AC-07 A Vx plane-3 &v 6572 F Vx velocity of plane 3

AC-08 A Vx plane-4 &v 6574 F Vx velocity of plane 4

AC-09 A Ve plane-1 &v 6576 F Ve velocity of plane 1

AC-10 A Ve plane-2 &v 6578 F Ve velocity of plane 2

AC-11 A Ve plane-3 &v 6580 F Ve velocity of plane 3

AC-12 A Ve plane-4 &v 6582 F Ve velocity of plane 4

AC-15 A swirl angle plane -1 ° 6584 F Swirl angle of plane 1

AC-16 A swirl angle plane -2 ° 6586 F Swirl angle of plane 2

AC-17 A swirl angle plane -3 ° 6588 F Swirl angle of plane 3

AC-18 A swirl angle plane -4 ° 6590 F Swirl angle of plane 4

AC-20 A profile PFY1 6800 F Profile factor PFY1

AC-21 A profile PFY2 6802 F Profile factor PFY2

AC-22 A profile PFY 6804 F Profile factor PFY

AC-23 A profile PFY31 6806 F Profile factor PFY31

AC-24 A profile PFY35 6808 F Profile factor PFY35

AC-25 A profile PFY42 6810 F Profile factor PFY42

AC-26 A profile PFY46 6812 F Profile factor PFY46

AC-27 A profile PFX 6814 F Profile factor PFX

AC-28 A profile PFX12 6816 F profile PFX12

AC-29 A profile PFX56 6818 F Profile PFX56

AC-30 A profile factor 6820 F Diagnosis: profile factor

AC-31 A symmetry X 6822 F Symmetry X

AC-32 A symmetry Y 6824 F Symmetry Y

AC-33 A symmetry 6826 F Symmetry

Value Unit Modbus Description

45

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USE 09 MEASURED VALUES AND PARAMETERS

Time and date

46

AD-01 N Time 2560 U Date and time

Value Unit Modbus Description

USE09-C totalizers

AE-01 Z Tot. Volume d.1 &Z 3000 D Totalizer for volume at measurement conditions, direction 1

AE-02 Z Tot. Volume d.2 &Z 3004 D Totalizer for volume at measurement conditions, direction 2

AE-04 Z Tot. VolumeErr d.1 &Z 3008 D Disturbing quantity totalizer for volume at measurement conditions,

AE-05 Z Tot. VolumeErr d.2 &Z 3012 D Disturbing quantity totalizer for volume at measurement conditions,

AE-07 Z Tot. VolumeSum d.1 &Z 3016 D Total volume totalizer (Vm + VmD), direction 1

AE-08 Z Tot. VolumeSum d.2 &Z 3020 D Total volume totalizer (Vm + VmD), direction 2

AE-09 Z Total Volume &Z 3024 D Total volume totalizer for volume at measurement conditions,

AE-10 E tot. Error-mode 2096 M Error mode of Vm and test totalizers (STOP, RUN)

AE-11 E Total Volume mode 2098 M Mode of the total volume totalizer (VO) (D1-D2, DIRECTION_1,

AE-20 N test-tot. mode 2097 M Start/stop of the Vm test totalizers (STOP, RUN)

AE-21 A Vm-dir.1 test sum &Z 3040 D Test totalizer for volume at measurement conditions, direction 1

AE-22 A Vm-dir.2 test sum &Z 3044 D Test totalizer for volume at measurement conditions, direction 2

AE-23 A time for test sum s 6242 F Duration of on-the-fly calibration

AE-30 N Unit LF-Volumes 2217 M Unit (factor) for totalizers of type LONG (x 1, x 0.1, x 0.01)

AE-31 A L: Tot. Volume d.1 &EinheitLVB 2600 L Copy of Vm totalizer, direction 1 (with factor in Long format)

AE-32 A L: Tot. Volume d.2 &EinheitLVB 2602 L Copy of Vm totalizer, direction 2 (with factor in Long format)

AE-34 A L: Tot. Vol.Err d.1 &Einheit LVB 2604 L Copy of disturbing Vm totalizer, direction 1 (with factor in Long format)

AE-35 A L: Tot. Vol.Err d.2 &EinheitLVB 2606 L Copy of disturbing Vm totalizer, direction 2 (with factor in Long format)

AE-37 A L: Tot. Vol.Sum d.1 &EinheitLVB 2608 L Copy of total volume totalizer (Vm+VmD), direction 1 (with factor in

AE-38 A L: Tot. Vol.Sum d.2 &EinheitLVB 2610 L Copy of total volume totalizer (Vm+VmD), direction 2 (with factor in

AE-39 A L: Total Volume &EinheitLVB 2612 L Copy of Vm total volume totalizer (with factor in Long format)

Value Unit Modbus Description

direction 1

direction 2

direction 2

DIRECTION_2)

Long format)

Long format)

ID

AF-01 E electronic type 500 T ID: Device type

AF-02 E electronic no 2564 L ID: Device No.

AF-03 E unit no 510 T ID: Type of measuring element

AF-04 E unit no 2562 L ID: Measuring element No.

AF-05 E manufacturer 2151 M ID: Manufacturer of the USE09 (RMG)

AF-06 E model (year) 2152 I ID: Year of construction of the USE09 (DZU interface)

Value Unit Modbus Description

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AF-07 E meter size 520 T ID: Meter size

AF-08 E nominal diameter DN mm 2210 I ID: Nominal diameter DN

AF-09 E Pressure rating 740 T ID: Pressure rating

AF-10 E pipe flange type 2211 M ID: Flange standard (PN, ANSI)

AF-11 E pipe flange value mm 2212 I ID: Flange value

AF-12 E Qmin &Q 1346 F ID: q-min

AF-13 E Qmax &Q 1348 F ID: q-max

AF-14 E pmin bar_g 1350 F ID: Calibration pressure min

AF-15 E pmax bar_g 1352 F ID: Calibration pressure max

AF-16 E meas.press. min bar_a 1520 F ID: Measuring pressure min

AF-17 E meas.press. max bar_a 1522 F ID: Measuring pressure max

AF-18 E Tmin °C 1354 F ID: T-min

AF-21 E Tmax °C 1356 F ID: T-max

AF-22 E error curve lin. 2153 M ID: Error curve linearization (OFF, ON)

AF-23 E gas type 2154 M ID: Gas type (NATURAL GAS)

AF-24 E p type 2155 M ID: P-type (3051CA, G1151Ap, G1151, 2088A)

AF-25 E p no. 2566 L ID: P-No.

AF-26 E T type 2156 M ID: T-type (AGG-EX, Q-4407, PT100, F-56, F-57)

AF-27 E T no 2568 L ID: T-No.

AF-28 E sensor 1.1 no. 530 T ID: Sensor 1/1 No.

AF-29 E sensor 1.1 length mm 1524 F ID: Sensor 1/1 length

AF-30 E sensor 1.1 built 2291 I ID: Sensor 1/1 year of construction

AF-31 E sensor 1.2 no. 540 T ID: Sensor 1/2 No.

AF-32 E sensor 1.2 length mm 1526 F ID: Sensor 1/2 length

AF-33 E sensor 1.2 built 2292 I ID: Sensor 1/2 year of construction

AF-34 E Sensor 2.1 no. 550 T ID: Sensor 2/1 No.

AF-35 E sensor 2.1 length mm 1528 F ID: Sensor 2/1 length

AF-36 E sensor 2.1 built 2293 I ID: Sensor 2/1 year of construction

AF-37 E Sensor 2.2 no. 560 T ID: Sensor 2/2 No.

AF-38 E sensor 2.2 length mm 1530 F ID: Sensor 2/2 length

AF-39 E sensor 2.2 built 2294 I ID: Sensor 2/2 year of construction

AF-40 E sensor 3.1 no. 570 T ID: Sensor 3/1 No.

AF-41 E sensor 3.1 length mm 1532 F ID: Sensor 3/1 length

AF-42 E sensor 3.1 built 2295 I ID: Sensor 3/1 year of construction

AF-43 E sensor 3.2 no. 580 T ID: Sensor 3/2 No.

AF-44 E sensor 3.2 length mm 1534 F ID: Sensor 3/2 length

AF-45 E sensor 3.2 built 2296 I ID: Sensor 3/2 year of construction

AF-46 E sensor 4.1 no. 590 T ID: Sensor 4/1 No.

AF-47 E sensor 4.1 length mm 1536 F ID: Sensor 4/1 length

AF-48 E sensor 4.1 built 2297 I ID: Sensor 4/1 year of construction

AF-49 E sensor 4.2 no. 600 T ID: Sensor 4/2 No.

AF-50 E sensor 4.2 length mm 1538 F ID: Sensor 4/2 length

AF-51 E sensor 4.2 built 2298 I ID: Sensor 4/2 year of construction

AF-52 E sensor 5.1 no. 610 T ID: Sensor 5/1 No.

AF-53 E sensor 5.1 length mm 1540 F ID: Sensor 5/1 length

USE 09 MEASURED VALUES AND PARAMETERS

47

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USE 09 MEASURED VALUES AND PARAMETERS

AF-54 E sensor 5.1 built 2299 I ID: Sensor 5/1 year of construction

AF-55 E sensor 5.2 no. 620 T ID: Sensor 5/2 No.

AF-56 E sensor 5.2 length mm 1542 F ID: Sensor 5/2 length

AF-57 E sensor 5.2 built 2300 I ID: Sensor 5/2 year of construction

AF-58 E sensor 6.1 no. 630 T ID: Sensor 6/1 No.

AF-59 E sensor 6.1 length mm 1544 F ID: Sensor 6/1 length

AF-60 E sensor 6.1 built 2301 I ID: Sensor 6/1 year of construction

AF-61 E sensor 6.2 no. 640 T ID: Sensor 6/2 No.

AF-62 E sensor 6.2 length mm 1546 F ID: Sensor 6/2 length

AF-63 E sensor 6.2 built 2302 I ID: Sensor 6/2 year of construction

AF-64 E sensor 7.1 no. 650 T ID: Sensor 7/1 No.

AF-65 E sensor 7.1 length mm 1548 F ID: Sensor 7/1 length

AF-66 E sensor 7.1 built 2303 I ID: Sensor 7/1 year of construction

AF-67 E sensor 7.2 no. 660 T ID: Sensor 7/2 No.

AF-68 E sensor 7.2 length mm 1550 F ID: Sensor 7/2 length

AF-69 E sensor 7.2 built 2304 I ID: Sensor 7/2 year of construction

AF-70 E sensor 8.1 no. 670 T ID: Sensor 8/1 No.

AF-71 E sensor 8.1 length mm 1552 F ID: Sensor 8/1 length

AF-72 E sensor 8.1 built 2305 I ID: Sensor 8/1 year of construction

AF-73 E sensor 8.2 no. 680 T ID: Sensor 8/2 No.

AF-74 E sensor 8.2 length mm 1554 F ID: Sensor 8/2 length

AF-75 E sensor 8.2 built 2306 I ID: Sensor 8/2 year of construction

AF-76 E serial number USE09 790 T ID: Serial number USE09

AF-77 A Version 100 F ID: M32C software version

AF-78 A CPU CRC hex 201 I ID: M32C CRC-16

AF-79 A Matrix version 200 I ID: M32C matrix version

AF-80 A DSP version 102 F ID: DSP software version

AF-81 A DSP CRC hex 202 I ID: DSP CRC-16

AF-82 A FPGA version 104 F ID: FPGA software version

AF-83 A FPGA CRC hex 203 I ID: FPGA CRC-16

Mode

AG-04 N codeword 750 C Entry of codeword

AG-26 E test working mode 2185 M Test mode for debugging the DSP (OFF, DEBUG, WD)

AG-27 A Display, LED test ----- T Display test, bottom

AG-28 C Test LEDs 4080 M Tests the LEDs on the front panel (OFF, TEST)

AG-30 C language 2094 M Selection of language (GERMAN, ENGLISH)

AG-31 Z units 2095 M Selection of units (METRICAL-UNITS, IMPERIAL-UNITS)

AG-32 A velocity unit 7030 M Unit: Velocities (m/s, ft/s)

AG-33 A flow unit 7031 M

AG-34 A volume unit 7032 M

AG-35 A pulse unit 7033 M

Value Unit Modbus Description

Unit: Flow rate (m

Unit: Totalizers (m

Unit: Pulse value (P/m

3

/h, acfh)

3

, acf)

3

, P/cf)

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USE 09 MEASURED VALUES AND PARAMETERS

Faults

AH-01 A fault message 710 T Fault message as rolling text

AH-02 A fault time 7500 U Date and time of the fault

AH-03 N clear fault 2126 M Clear fault (NO, YES)

AH-04 E fault mode 2127 M Fault mode below Qm-min (NORMAL, ALL)

AH-05 E fault display mode 2128 M Fault display mode active: Shows all currently active faults

AH-06 E path error mode 2129 M Error mode in the case of a path failure (WARNING, ALARM)

AH-07 N fault,warn contact 2254 M Mode for alarm and warning contact (NORMAL, 5_SECONDS, HOLD)

AH-09 A path ok 700 T Indication of the path status (path monitoring is considered)

AH-10 A hint status 4008 M Current hint status (OFF, ON, QUIT)

AH-11 A warning status 4001 M Current warning status (OFF, ON, QUIT)

AH-12 A warn contact 4120 M Current warning contact (OFF, ON)

AH-13 A fault status 4000 M Current alarm status (OFF, ON, QUITI

AH-14 A fault contact 4121 M Current alarm contact (OFF, ON)

AH-15 A USE09 device status hex 4002 I USE09 device status

AH-16 A Fault bit 0-15 hex 4010 I Active faults (bit-coded) 0-15

AH-17 A Fault bit 16-31 hex 4011 I Active faults (bit-coded) 16-31

AH-18 A Fault bit 32-47 hex 4012 I Active faults (bit-coded) 32-47

AH-19 A Fault bit 48-63 hex 4013 I Active faults (bit-coded) 48-63

AH-20 A Fault bit 64-79 hex 4014 I Active faults (bit-coded) 64-79

AH-21 A Fault bit 80-95 hex 4015 I Active faults (bit-coded) 80-95

AH-22 A Fault bit 96-111 hex 4016 I Active faults (bit-coded) 96-111

AH-23 A Fault bit 112-127 hex 4017 I Active faults (bit-coded) 112-127

AH-24 A Fault bit 128-143 hex 4018 I Active faults (bit-coded) 128-143

AH-25 A Fault bit 144-159 hex 4019 I Active faults (bit-coded) 144-159

AH-26 A Fault bit 160-175 hex 4020 I Active faults (bit-coded) 160-175

AH-27 A Fault bit 176-191 hex 4021 I Active faults (bit-coded) 176-191

AH-28 A Fault bit 192-207 hex 4022 I Active faults (bit-coded) 192-207

Value Unit Modbus Description

(NORMAL, ACTIVE)

DSP parameters

49

AI-09 C number of batches 2136 I Number of batches

AI-10 E Relay delay time ms 2137 I Relay delay time (RDT)

AI-11 E sample frequency MHz 2138 M Sample frequency in MHz (1.00, 1.25, 1.67, 2.0, 2.5, 3.33, 4.0, 5.0,

AI-12 E fifo size 2139 M Size of the receiving memory (512, 1024, 2048)

AI-13 N FPGA testpin ctrl. hex 2214 I Hexadecimal control word for the FPGA test pins

AI-14 E transmission level % 2140 I Transmission level control in %

AI-15 E send mux time ms 1364 F Response time of transmit multiplexer in ms

AI-16 E receive mux time ms 1366 F Response time of receive multiplexer in ms

AI-17 E Attenuator mode 2141 M Operating mode of the attenuator (OFF, ON, TEST, AUTO_SEPARATE)

Value Unit Modbus Description

6.67, 10.0)

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50

USE 09 MEASURED VALUES AND PARAMETERS

AI-18 E Attenuator on dB 2142 I Limit for the attenuator ON

AI-19 E Attenuator off dB 2143 I Limit for the attenuator OFF

AI-20 E Attenuator HV dB 2144 I Limit for the attenuator HV mode

AI-21 C amp. regulator mode 2145 M Operating mode of amplitude control (SET VALUE, ON, STOP)

AI-22 C amp. regulator min % 2146 I Min. range for amplitude control

AI-23 C amp. regulator max % 2147 I Max. range for amplitude control

AI-24 C amp. damping 1448 F Damping for amplitude control

AI-25 E theoretical VOS m/s 1368 F Theoretical velocity of sound of the fluid

AI-26 E ADC gain 2164 M FPGA AD gain 0 dB, +6 dB, -6 dB (1, 2, 0.5)

AI-27 C signal tracking 2169 M Switches signal tracking ON or OFF (ON, OFF)

AI-28 C max. track. offset Tics 2187 I Max. size of the tracking window

AI-37 E corr. mode 2256 M Correlation mode (OFF, FADE_IN)

AI-38 E corr. length 2189 I Length of the correlation window

AI-39 E Batch: amp. min. % 2279 I Batch: Minimum amplitude

DSP parameters 3X

AJ-07 E corr. mode (X) 2257 M Correlation mode (3X measurement) (OFF, FADE_IN)

AJ-09 E Batch: amp. min. % 2280 I Batch: Minimum amplitude (3X measurement)

Value Unit Modbus Description

Path# parameters

AK (...AR)-1 E p#.1 amp. min limit % 2000 I Path#.1 limit of the input signal (LOW)

AK (...AR)-2 E p#.1 amp. max limit % 2010 I Path#.1 limit of the input signal (HIGH)

AK (...AR)-3 E p#.2 amp. min limit % 2020 I Path#.2 limit of the input signal (LOW)

AK (...AR)-4 E p#.2 amp. max limit % 2030 I Path#.2 limit of the input signal (HIGH)

AK (...AR)-5 E path-# v-min &v 1000 F Path# lower limit of the flow velocity

AK (...AR)-6 E path-# v-max &v 1020 F Path# upper limit of the flow velocity

AK (...AR)-7 E path-# vos-min &v 1040 F Path# lower limit of the velocity of sound

AK (...AR)-8 E path-# vos-max &v 1060 F Path# upper limit of the velocity of sound

AK (...AR)-9 E p# f-trans set val Hz 2500 L Path# transmission frequency, set value in Hz

AK (...AR)-10 A path-# trans. freq. Hz 2520 L Path# transmission frequency, actual value in Hz

AK (...AR)-11 E path-# band limits % 2190 I Path# limits which are being monitored

AK (...AR)-12 E path-# trans.pulses 2040 I Path# number of transmission pulses

AK (...AR)-13 E p# filter selection kHz 2170 M Path# DSP filter selection (50, 75, 100, 125, 150, 175, 200,

AK (...AR)-14 E path-# tw us 1080 F Path# delay time

AK (...AR)-16 E path-# DAC-G1 cmd 2050 I Path# DAC-G1 instruction register

AK (...AR)-17 E path-# DAC-G1 val 2060 I Path# DAC-G1 data register

AK (...AR)-18 E path-# DAC-G2 cmd 2070 I Path# DAC-G2 instruction register

AK (...AR)-19 E path-# DAC-G2 val 2080 I Path# DAC-G2 data register

AK (...AR)-20 A p# blanking delay us 1100 F Path# blanking delay

Value Unit Modbus Description

225, 250, 275, 300, 325)

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AK (...AR)-21 A p# blanking count tic 2540 L Path# blanking count

AK (...AR)-22 E path-# decay time ms 1120 F Path# decay time at the end of measurement

AK (...AR)-23 E path-# path length mm 1140 F Path# length of path

AK (...AR)-24 E path-# axial dist. mm 1160 F Path# min. axial distance of path

AK (...AR)-25 E p# assembly angle ° 1500 F Path# assembly angle of the sensor

AK (...AR)-26 E p# delta-t offset us 1420 F Path# time difference offset

AK (...AR)-27 E const-K# d.1 [1] 1200 F Path# constant K# direction 1

AK (...AR)-28 E const-K# d.2 [1] 1220 F Path# constant K# direction 2

AK (...AR)-29 E const w# [1] 1240 F Path# constant w#

AK (...AR)-30 E p# tic offset tic 2200 I Path# Tic offset

AK (...AR)-31 E p# tic offset (X) tic 2260 I Path# Tic offset (3X measurement)

AK (...AR)-32 E p# AGC-limit dB 2220 I Path# AGC error limit

AK (...AR)-34 C P# no. of f-batches 2312 I Path# number of measurements (FBatches)

USE 09 MEASURED VALUES AND PARAMETERS

51

Note: The Modbus addresses stated are for path 1! To determine the Modbus addresses for the

other paths, see chapter "Brief description of the USE09 Modbus".

Service

AS-01 E CPU speed Hz 2574 L Actual M32 clock speed

AS-02 E DSP speed Hz 2576 L Actual DSP clock speed

AS-04 E FPGA speed Hz 2578 L Actual FPGA clock speed

AS-05 E ext. card s.no. 2584 L IO card s. No.

AS-06 E ext. ADC s.no. 2586 L IO-ADC card s. No.

AS-07 E write opt.EEProm 2167 M (Service key!) Writes parameters in the OPT-EEP (NO, YES)

AS-08 E write ADC EEProm 2168 M (Service key!) Writes parameters in the OPT-ADC-EEP (NO, YES)

AS-09 N LCD lighting 2183 M Display lighting if key is pressed or steady light (KEY, ALWAYS)

AS-10 Z parameter reset 2148 M Load new parameters (NO, YES)

AS-12 C def. val. reset 2149 M Reset default values (NO, YES)

AS-13 C RV: number 2150 I Number of mean values used to calculate the replacement values

AS-14 A RV status 720 T Indication of the replacement value status

AS-15 C def. val. mode 2213 M Operating mode of default values (OFF, ON)

AS-16 N Raw data path no. 2124 I Raw data: Path selection (0=OFF)

AS-17 N Raw data type 2184 M Raw data: Type selection (TEST, RAW, FILTER, RAW_ERR,

AS-18 N Raw data function 2215 I Raw data: Trigger function (subselection)

AS-20 A M32 temperature °C 5000 F Temperature of the M32 board

AS-21 A transmit level % 5002 F Transmission level HV analog board

AS-22 A +-5V symmetry V 5004 F Symmetry +-5V, analog board

AS-23 A system temperature °C 5006 F Temperature, baseboard

AS-24 A +-12V symmetry V 5008 F Symmetry +-12V, analog board

AS-25 A 1V2 voltage V 5010 F Voltage 1V2 DSP board

AS-26 A 1V5 voltage V 5012 F Voltage 1V5 DSP board

AS-27 A 3V3 voltage V 5014 F Voltage 3V3 M32 board

Value Unit Modbus Description

FILTER_ERR, FFG, ROH_FFT, FILTER_FFT)

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USE 09 MEASURED VALUES AND PARAMETERS

AS-28 A adc-p binary val. 7502 L Pressure input, transmitter value

AS-29 A adc-t binary val. 7504 L PT100 input, transmitter value

AS-30 E max. sys. temp. °C 1440 F System temperature, max. value

AS-31 E time max. sys. temp 2588 U Time of max. system temperature

AS-32 E min. sys. temp. °C 1442 F System temperature, min. value

AS-33 E time min. sys. temp 2590 U Time of min. system temperature

52

Data logger

AT-01 A Log-data date 800 T Data logger, date of last change

AT-02 A Log-data coordinate 810 T Data logger, coordinate of last change

AT-03 A Log-data old value 820 T Data logger (old value)

AT-04 A Log-data new value 830 T Data logger (new value)

AT-10 A Log-data fill level % 4007 I Data logger, fill level

AT-11 E clear par-log 2157 M Clear parameter logging list (NO, YES)

AT-12 N clear event-log 2216 M Clear event logging list (NO, YES)

Value Unit Modbus Description

Site information

AU-01 N User Text-1 840 T User-programmable text line 1

AU-02 N User Text-2 850 T User-programmable text line 2

AU-03 N User Text-3 860 T User-programmable text line 3

AU-04 N User Text-4 870 T User-programmable text line 4

AU-05 N User Text-5 880 T User-programmable text line 5

Value Unit Modbus Beschreibung

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ALARM- UND WARNING MESSAGES USE 09

Alarm- und warning messages USE 09

Alarm messages

No. Message Explanation

0 No Error Error-free operation
1 Power Off Power failure in the meantime
2 FPGA Timeout FPGA communication: no response from FPGA
3 FPGA CRC FPGA communication: incorrect checksum
4 DSP-SPI Timeout DSP communication: no response from the serial peripheral interface (data bus) of

the digital signal processor

5 DSP-SPI CRC DSP communication: incorrect checksum at the SPI
6 DSP no Data No DSP measuring data available
7 DSP R-length DSP communication: invalid telegram length
8 DSP Critical DSP fault. Fault bits are to be read off separately in DSP fault

9 FPGA Critical FPGA fault. Fault bits are to be read off separately in FPGA fault
10 COM-0 Error in data transmission via interface COM-0
11 COM-1 Error in data transmission via interface COM-1
12 COM-2 Error in data transmission via interface COM-2
13 COM-3 Error in data transmission via interface COM-3
14 AD-Converter Fault in the analog-digital converter of the option card 2
15 extension card Fault in the option card 1
16 Tot. not valid Totalizers invalid
17 RV.not valid Replacement value of the path reconstruction invalid
18 F-Ram not valid Checksum of the F-RAM telegram invalid
19 F-Ram size Length of the F-RAM telegram invalid
20 opt. data crc Checksum of the data from the option card invalid
21 ADCdata crc Checksum of the data from the AD converter invalid
22 c-out min/max Min/max limits of the current output violated
23 trans.level min Transmission level too low
24 DSPversion DSP SW version not compatible to M32 SW version
25 FPGA version FPGA version not compatible to M32 SW version
26 LOGP not valid Parameter in data logger invalid
30 Path1 Failure Failure of measuring path 1
31 Path2 Failure Failure of measuring path 2
32 Path3 Failure Failure of measuring path 3
33 Path4 Failure Failure of measuring path 4
34 Path5 Failure Failure of measuring path 5
35 Path6 Failure Failure of measuring path 6
36 Path7 Failure Failure of measuring path 7 (reserve)
37 Path8 Failure Failure of measuring path 8 (reserve)
38 max. Path Maximum permissible number of path failures exceeded
40 RV not calc. Replacement value for failed path could not be calculated
41 USE09 Timeout No valid measurement, all measuring paths have failed
42 ADC temperature ADC fault temperature input
43 ADC pressure ADC fault pressure input
45 I1 out min/max Current output outside of the min./max. limits
47 temp.min/max Temperature outside of the min./max. limits
48 press. min/max Pressure outside of the min./max. limits
50 DSP path1 Critical path fault. Fault bits are to be read off separately in Path1 Failure

53

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54

ALARM- UND WARNING MESSAGES USE 09

51 DSP path2 Critical path fault. Fault bits are to be read off separately in Path2 Failure
52 DSP path3 Critical path fault. Fault bits are to be read off separately in Path3 Failure
53 DSP path4 Critical path fault. Fault bits are to be read off separately in Path4 Failure
54 DSP path5 Critical path fault. Fault bits are to be read off separately in Path5 Failure
55 DSP path6 Critical path fault. Fault bits are to be read off separately in Path6 Failure
56 DSP path7 Critical path fault. Fault bits are to be read off separately in Path7 Failure (reserve)
57 DSP path8 Critical path fault. Fault bits are to be read off separately in Path8 Failure (reserve)
60 p1 AGC limit Amplification factor for path 1 outside of the permissible limits
61 p2 AGC limit Amplification factor for path 2 outside of the permissible limits
62 p3 AGC limit Amplification factor for path 3 outside of the permissible limits
63 p4 AGC limit Amplification factor for path 4 outside of the permissible limits
64 p5 AGC limit Amplification factor for path 5 outside of the permissible limits
65 p6 AGC limit Amplification factor for path 6 outside of the permissible limits
66 p7 AGC limit Amplification factor for path 7 outside of the permissible limits (reserve)
67 p8 AGC limit Amplification factor for path 8 outside of the permissible limits (reserve)
77 QVm min. Limit Volumetric flow rate at measurement conditions below Qmin
78 QVm max. Limit Volumetric flow rate at measurement conditions exceeds Qmax
99 wrong parameter Entered parameter invalid

Warning messages

No. Message Explanation

100 Path1 Warn. Fraction of invalid measurements for path 1 too high
101 Path2 Warn. Fraction of invalid measurements for path 2 too high
102 Path3 Warn. Fraction of invalid measurements for path 3 too high
103 Path4 Warn. Fraction of invalid measurements for path 4 too high
104 Path5 Warn. Fraction of invalid measurements for path 5 too high
105 Path6 Warn. Fraction of invalid measurements for path 6 too high
106 Path7 Warn. Fraction of invalid measurements for path 7 too high (reserve)
107 Path8 Warn. Fraction of invalid measurements for path 8 too high (reserve)
108 RTC Hardware Hardware fault of real time clock
109 ext. Warning External warning
110 P1 v min/max Flow velocity from path 1 outside of the min./max. limits
111 P2 v min/max Flow velocity from path 2 outside of the min./max. limits
112 P3 v min/max Flow velocity from path 3 outside of the min./max. limits
113 P4 v min/max Flow velocity from path 4 outside of the min./max. limits
114 P5 v min/max Flow velocity from path 5 outside of the min./max. limits
115 P6 v min/max Flow velocity from path 6 outside of the min./max. limits
116 P7 v min/max Flow velocity from path 7 outside of the min./max. limits (reserve)
117 P8 v min/max Flow velocity from path 8 outside of the min./max. limits (reserve)
118 work.mode test Meter is running in test mode
120 P1 c min/max Velocity of sound from path 1 outside of the min./max. limits
121 P2 c min/max Velocity of sound from path 2 outside of the min./max. limits
122 P3 c min/max Velocity of sound from path 3 outside of the min./max. limits
123 P4 c min/max Velocity of sound from path 4 outside of the min./max. limits
124 P5 c min/max Velocity of sound from path 5 outside of the min./max. limits
125 P6 c min/max Velocity of sound from path 6 outside of the min./max. limits
126 P7 c min/max Velocity of sound from path 7 outside of the min./max. limits (reserve)

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127 P8 c min/max Velocity of sound from path 8 outside of the min./max. limits (reserve)
130 p1.1 amplitude Amplitude of the signal from sensor 1.1 too small
131 p2.1 amplitude Amplitude of the signal from sensor 2.1 too small
132 p3.1 amplitude Amplitude of the signal from sensor 3.1 too small
133 p4.1 amplitude Amplitude of the signal from sensor 4.1 too small
134 p5.1 amplitude Amplitude of the signal from sensor 5.1 too small
135 p6.1 amplitude Amplitude of the signal from sensor 6.1 too small
136 p7.1 amplitude Amplitude of the signal from sensor 7.1 too small (reserve)
137 p8.1 amplitude Amplitude of the signal from sensor 8.1 too small (reserve)
140 p1.2 amplitude Amplitude of the signal from sensor 1.2 too small
141 p2.2 amplitude Amplitude of the signal from sensor 2.2 too small
142 p3.2 amplitude Amplitude of the signal from sensor 3.2 too small
143 p4.2 amplitude Amplitude of the signal from sensor 4.2 too small
144 p5.2 amplitude Amplitude of the signal from sensor 5.2 too small
145 p6.2 amplitude Amplitude of the signal from sensor 6.2 too small
146 p7.2 amplitude Amplitude of the signal from sensor 7.2 too small (reserve)
147 p8.2 amplitude Amplitude of the signal from sensor 8.2 too small (reserve)
150 Path1 delta c
151 Path2 delta c
152 Path3 delta c
153 Path4 delta c
154 Path5 delta c
155 Path6 delta c
156 Path7 delta c Deviation of velocity of sound in path 7 from the average velocity of sound too big

157 Path8 delta c Deviation of velocity of sound in path 8 from the average velocity of sound too big

170 p1 AGC delta
171 p2 AGC delta
172 p3 AGC delta
173 p4 AGC delta
174 p5 AGC delta
175 p6 AGC delta
176 p7 AGC delta Deviation of the amplification factor in path 7 from the average gain too big (reserve)
177 p8 AGC delta Deviation of the amplification factor in path 8 from the average gain too big (reserve)

Deviation of velocity of sound in path 1 from the average velocity of sound too big
Deviation of velocity of sound in path 2 from the average velocity of sound too big
Deviation of velocity of sound in path 3 from the average velocity of sound too big
Deviation of velocity of sound in path 4 from the average velocity of sound too big
Deviation of velocity of sound in path 5 from the average velocity of sound too big
Deviation of velocity of sound in path 6 from the average velocity of sound too big

(reserve)

(reserve)
Deviation of the amplification factor in path 1 from the average gain too big
Deviation of the amplification factor in path 2 from the average gain too big
Deviation of the amplification factor in path 3 from the average gain too big
Deviation of the amplification factor in path 4 from the average gain too big
Deviation of the amplification factor in path 5 from the average gain too big
Deviation of the amplification factor in path 6 from the average gain too big

ALARM- UND WARNING MESSAGES USE 09

55

Hints

No. Message Explanation

181 sys. temp min System temperature too low
182 sys. temp max System temperature too high
183 Rawdata len Length of raw data telegram incorrect
184 Rawdata crc Checksum of raw data telegram incorrect
185 P-LOG full Parameter data logger full
186 DSP info len Length of DSP info-telegram incorrect
187 DSP info crc Checksum of DSP info-telegram incorrect

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BRIEF DESCRIPTION OF THE USE09 MODBUS

Brief description of the USE09 Modbus

Parameterizing Modbus

The USE09 has three serial interfaces:

- interface – 0 is reserved for servicing (RMGView).

56

- interface – 1 has been designed for exchanging data with volume correctors.

- interface – 2 (optional) is intended for communications with a Modbus master.

The interface and Modbus parameters can be set in the "Serial ports" column.

Interface – 2 can be configured as RS232 or RS485. Such configuration is to be made via the
software and the hardware.

DIP switch
RS232 configuration

8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1

DIP switch
RS485 configuration

This DIP switch is located on the optional card.

USE09 Modbus commands

The USE09 knows the following Modbus commands:

(03 Hex) Read Holding Registers
(06 Hex) Read Single Register
(10 Hex) Preset Multiple Register
(08 Hex) Diagnostic
(00 Hex) Return Query Data

USE09 Exception Codes

01 Illegal Function
02 Illegal Data Address (register not available)
03 Illegal Data Value (register not writeable or wrong value)

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BRIEF DESCRIPTION OF THE USE09 MODBUS

Example (Modbus query / response):

Query: Modbus - ASCII Modbus - RTU

Start Char

Slave Address

Function

Starting Address Hi

Starting Address Lo

No. of Points Hi

No. of Points Lo

LRC / CRC

carriage return

line feed

Response:

Start Char

Slave Address

Function

Byte Count

Data Hi (Reg 2000)

Data Lo (Reg 2000)

LRC

carriage return

line feed

:

01 01

03 03

0F 0F

A2 A2

00 00

01 01

42 26

CR FC

LF

:

01 01

03 03

02 02

A8 A8

01 01

51 06

CR 44

LF

Values in ASCII Values in HEX

Register = 4002 (0FA2)

Number = 0001 (0001)

Value = A801

57

Read Holding Register 4002, value is A801 (Hex)

Example (Modbus number formats):

Data type Register Value Byte 1 Byte 2 Byte 3 Byte 4 Byte 5 Byte 6 Byte 7 Byte 8

float 2 273.15 0x93 0x33 0x43 0x88

Text 10 USZ08-6P 0x53 0x55 0x30 0x5A 0x2D 0x38 0x50 0x36

0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00

0x00 0x00 0x00 0x00

int 1 44067 0xAC 0x23

double 4 14.2740 0x13 0x58 0x8A 0xCF 0x8C 0x4C 0x40 0x2C

long 2 100000 0x86 0xA0 0x00 0x01

Please see the Modbus specification for further information.

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BRIEF DESCRIPTION OF THE USE09 MODBUS

Special features of the USE09 Modbus:

- All data types comprising more than one register can only be written completely.

float (F) : 2 registers
double (D) : 4 registers
long integer (L) : 2 registers
integer (I) : 1 register
Text (T) : 10 registers

58

The data types are to be found in the tables of the "USE 09 measured values and parameters"
chapter in the column standing to the right of the Modbus address.

- Text fields must at least have one final null (0x00). Max. text length is 19 characters.

-

Modbus registers are the registers transmitted through the bus – therefore, no
registers +- 1!
In any case, a register offset can be set in the USE09.

- In the tables with the measured values and parameters for the individual paths, there are the

Modbus addresses for path 1; the addresses for paths 2 to 8 follow directly afterwards.
Example: The velocity of sound for path 1 has address 6020. Since it is a quantity in the float
format, the address for path 2 is 6022 and the velocity of sound for path 6 is to be found under
address 6020 + 5 * 2 = 6030.

Please contact RMG Messtechnik to obtain the complete Modbus register assignments for the
USE09.

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TECHNICAL SPECIFICATIONS

Technical specifications

Power supply:

Measuring element: 24 VDC
ERZ 2000 USC: 24 VDC or 230 VAC

Power input:

Measuring element: USE 09: 5 W USE 09C: 15 W
ERZ 2000 USC: 24 W

Protection class: IP 65

Interfaces:

RS 485 0 (for RMGView): 9600 / 19200 / 38400 / 57600 baud
RS 485 1: 9600 / 19200 / 38400 / 57600 baud
RS 485 2 (with USE 09C): 9600 / 19200 / 38400 / 57600 baud

(optional for the USE 09)

59

Current output: U

Pulse outputs: U

= 16 V Load resistance: max. 400 Ω

max

= 30 V f

max

max

= 5 kHz

Sensor frequency: 120 kHz or 200 kHz

Flow velocity: -40 to + 40 m/s

Temperature range: -20° to +55°C (optional: -40°C to +55°C)

Measuring ranges: for custody transfer metering

Nominal diameter Measuring range (m³/h) Acoustic paths

mm inches Qmin Qmax

)

100 4 13 1000 3*

150 6 20 2500 3*

/ 6

)

/ 6

200 8 40 4000 6

250 10 65 6500 6

300 12 80 10000 6

400 16 130 16000 6

500 20 200 25000 6

600 24 320 40000 6

)

*

3-path flowmeter only as special design

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SEAL DIAGRAMS

Seal diagrams

Seals of the USE 09 ultrasonic electronic system

60

Side view:

Seal

approx. 160 mm

approx. 320 mm

Top view:

approx. 260 mm

Drw. No.: 059504.4 Status: 14.03.2007

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SEAL DIAGRAMS

Seals of the USE 09-C-LT ultrasonic electronic system

Side view

Seal

61

approx. 172

Top view

approx. 315

approx. 395

Drw. No.: 060377.4 Status: 04.05.2009

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SEAL DIAGRAMS

Seals of the measuring element of type USZ 08-6P (with USE 09)

Front view:

Seals of the USE09 ultrasonic electronic

62

system acc. to Drw. No. 059504.4

Messwerk USZ08- P

7.241

01.04

Q max
Q min

positive flow direction

positive flow dir ecti on

Seals of the
type plate acc. to
Drw. No. 060319.4

Top view:

Seals of the pressure tap
acc. to Drw. No. 056440.4
on start-up

Drw. No.: 060318.4 Status: 27.03.2008

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SEAL DIAGRAMS

Seals of the measuring element of type USZ 08-6P (with USE 09-C)

Front view:

Seals of the USE09-C and USE09-C-LT
ultrasonic electronic system
acc. to Drw. No. 060377.4

Seals of the
type plate acc. to
Drw. No. 061243.4

63

Top view:

Seals of the pressure tap
acc. to Drw. No. 056440.4
on start-up

Drw. No.: 061246.4 Status: 04.05.2009

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SEAL DIAGRAMS

Seals of the type plate of the USZ 08 measuring element

Device with
PTB approval

60mm

64

45mm

Seal

Drw. No.: 060319.4 Status: 27.03.2008

Device with
MID approval

60

MXX 0102

DE-09-MI002-XXXXXX

t = -40°C...55°C

am

RMG Messtechnik GmbH

Butzbach / Germany

Drw.-No.: 061243.4 Status: 04.05.2009

45

Seal

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ANNEX

Annex

Type examination certificates

65

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