SOMMER RG-30 Manuale utente

Sommer Messtechnik

Manual

Setup version 2.38 (Firmware 2.96)

25 November, 2019

RG-30, RG-30a

Flow velocity Measurement System

The Copyrights for this manual are exclusively owned by

Sommer Messtechnik

6842 Koblach

Austria

This manual or parts of it may only be copied or passed on to third parties with written permission

of Sommer Messtechnik. This applies to printed as well as digital issues of this manual.

Sommer Messtechnik

Strassenhäuser 27

6842 Koblach

Austria

www.sommer.at

E office@sommer.at

T +43 5523 55989

F +43 5523 55989-19

Validity

This manual applies to the Flow velocity Measurement System with the setup version 2.38, includ-

ing all its subversions.

Created: 19 Sept, 2018 Last update: 25 November, 2019

EU conformity

This product is in conformity with the following standards:

EMC 2014/30/EU EN 301 489-1 V1.9.2

LVD 2014/35/EU EN 62311:2008

EN 62368-1:2014

RED 2014/53/EU EN 300 440-2 V1.4.1

RoHS II 2011/65/EU

RoHS III 2015/863/EU

FCC compliance

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two con-

ditions: (1) This device may not cause harmful interference, and (2) This device must accept any

interference received, including interference that may cause undesired operation.

FCC ID: UXSIMS944

Feedback

Should you come across any error in this manual, or if you miss information to handle and operate

the RG-30 we are very grateful for your feedback to office@sommer.at.

Safety information

Please read this manual carefully before installing or operating this equipment. Non-compliance

with the instructions given in this manual can result in failure or damage of the equipment or may

put people at risk by injuries through electrical or mechanic impact.

lInstallation and electrical connections must be carried out by qualified personnel familiar

with the applicable regulations and standards.

lInstallation of equipment on towers, bridges and in discharge channels poses the risk of fall-

ing, slipping or dropping of objects. Contact your safety officer or consult applicable safety

regulations for precautions and proper personal safety equipment.

lDo not perform any installations in bad weather conditions, e.g. thunderstorms.

lPrior to installation of equipment inform the owner of the measurement site or the authority

responsible for it. Upon completion, secure the installation from trespassers.

lMaintenance and repair must be performed by trained personnel or an engineer of Sommer

Messtechnik. Only replacement parts supplied by Sommer Messtechnik should be used for

repairs.

lMake sure that NO power is connected to the equipment during installation and wiring.

lOnly use a power supply that complies with the power rating specified for this equipment.

lKeep equipment dry during wiring and maintenance.

lIf applicable, it is recommended to use accessories of Sommer Messtechnik with this equip-

ment.

lFor SAFETY-RELEVENT APPLICATIONS consider using a redundant system with additional data

validation checks.

Disposal

After this device has reached the end of its lifetime, it must not be disposed of with

household waste! Instead, dispose of the device by returning it to a designated col-

lection point for the recycling of waste electrical and electronic equipment.

Content

1 What is the RG-30? 10

2 Unpacking 11

3 How do I start? 12

3.1 Connect the RG-30 to a PC 12

3.2 Configure the sensor 13

3.3 Acquire measurements 13

4 Specifications 14

5 Connectors 16

5.1 Main 16

5.2 Connection cable for connector MAIN 17

6 How does the RG-30 work? 18

6.1 Flow velocity 18

6.1.1 Principle of measurement 18

6.1.2 Radar spectrum 18

6.1.3 Flow direction separation 19

6.1.4 Inclination angle measurement 19

6.1.5 Conditions of the water surface 19

7 Installation 21

7.1 Where should I install the RG-30? 21

7.1.1 Hydraulic requirements 21

7.1.2 Installation requirements 21

7.1.3 Documentation 23

7.2 What do I need? 23

7.3 How do I install the RG-30? 23

7.3.1 Mounting 23

7.3.2 Power supply 24

7.3.3 Signal cables 24

7.3.4 Lightning protection 25

8 Maintenance 26

8.1 Device status 26

9 Support software Commander 33

9.1 What can I do with it? 33

9.2 How do I install it? 33

9.2.1 System requirements 33

9.2.2 Installation procedure 33

10 How do I configure the RG-30? 39

10.1 Configuration with Commander support software 39

10.2 Configuration with a terminal program 41

10.3 Configuration errors 43

10.3.1 Device messages 43

10.3.2 Conflict messages 44

10.4 What do I need to configure? 45

10.4.1 General settings 45

10.4.2 Velocity measurement 46

11 Serial communication 48

11.1 What are the options? 48

11.2 Which data do I get? 48

11.2.1 Main values 48

11.2.2 Special values 48

11.2.3 Analysis values 49

11.2.4 Exception values 50

11.2.5 Quality value 50

11.3 RS-485 51

11.3.1 What is it? 51

11.3.2 What can I do with it? 51

11.3.3 How do I wire it? 51

11.3.4 How do I configure it? 52

11.3.5 How is the output structured? 54

11.3.6 Sommer protocol 54

11.3.7 Standard protocol 58

11.3.8 Sommer old protocol 61

11.3.9 Which commands are available? 61

11.3.10 Sommer CRC-16 64

11.4 SDI-12 64

11.4.1 What is it? 64

11.4.2 What can I do with it? 64

11.4.3 How do I wire it? 64

11.4.4 How do I configure it? 65

11.4.5 How are commands structured? 65

11.4.6 Which commands are available? 65

11.5 Modbus 69

11.5.1 What is it? 69

11.5.2 What can I do with it? 69

11.5.3 How do I wire it? 69

11.5.4 How do I configure it? 70

11.5.5 How do I switch back to Sommer protocol? 74

11.5.6 Which commands are available? 79

12 Analog output 84

12.1 What can I do with it? 84

12.2 How do I wire it? 84

12.3 How do I configure it? 84

12.3.1 IOUT3 – flow velocity 85

12.3.2 Simulate current output 85

13 Parameter definitions 86

A Measurement trigger 86

B Measurement Interval 86

C Velocity (v) 87

C-A Viewing direction 87

C-B Possible flow directions 87

C-C River inclination 87

C-D Yaw angle 88

C-E Measurement duration 88

C-F Filter, no. of values 88

C-G Filter, type 89

D Technics 89

D-A Language/Sprache 89

D-B Decimal character 90

D-C SDI-12 address 90

D-D Channel type 90

D-E Advanced settings 90

D-E-A Reset behavior 91

D-E-B Inclination measurement 91

D-E-C Sleep mode 91

D-E-D Sommer ID 92

D-F Tech. velocity (v) 92

D-F-A Minimum velocity 92

D-F-B Maximum velocity 93

D-F-C Meas. spot optimization 93

D-F-D Measurement type 94

D-F-E Stop, min. quality (SNR) 95

D-F-F Stop, max. opp. direction 95

D-F-G Stop, number of valid meas. 96

D-F-H Stop, behavior 96

D-F-I Stop, replace value 96

D-F-J Meas. spot weighting 96

13.4.7 4-20 mA output IOUT3 97

D-G-A Status 97

D-G-B IOUT3, Max. velocity 97

D-G-C Simulate current output 97

D-H RS-485 Protocol 98

D-H-A Device number 98

D-H-B System key 98

D-H-C Output protocol (OP) 98

D-H-D OP, measurement output 99

D-H-E OP, information 99

D-H-F OP, wake-up sequence 100

D-H-G OP, prefix holdback 100

D-H-H MODBUS, set default 100

D-H-I MODBUS, device address 100

D-I RS-485 Port 101

D-I-A Baud rate 101

D-I-B Parity, stop bits 101

D-I-C Minimum response time 102

D-I-D Transmitter warm-up time 102

D-I-E Flow control 102

D-I-F Sending window 102

D-I-G Receiving window 103

D-J Units and decimals 103

D-J-A Velocity, unit 103

D-J-B Velocity decimals 103

E Special functions 103

E-A View spectral distribution 104

E-B Veloc. radar inspection 104

E-C Continuous meas. mode (temp). 104

E-D View spectral trap 104

E-E View setup 105

E-F Device status 105

E-G Set factory default 105

E-H Temp. load factory default 105

E-I Relaunch program 105

E-J Replace program 105

Appendix A Unwanted reflections 106

A.1 Open channel 106

A.2 Closed channel 107

1 What is the RG-30?

The RG-30 radar sensor is a measurement device for the contact-free determination of the flow velo-

city of open rivers and channels. The sensor detects the surface flow velocity by the principle of the

Doppler frequency shift.

Due to the contact-free measurement method the RG-30 can be installed on extension arms

without costly structural measures in the channel or river. This also has the advantage that the

sensor is located outside the danger area of flood events and that it requires little maintenance

over many years.

Figure 1 RG-30

1 What is the RG-30?

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