Operating Instructions Radar sensor for continuous level measurement VEGAPULS C 21 Two-wire 4 … 20 mA/HART Document ID: 58341
Contents Contents About this document................................................................................................................ 4 1.1 Function............................................................................................................................ 4 1.2 Target group...................................................................................................................... 4 1.3 Symbols used...................................................................
Contents 11 Diagnostics and servicing..................................................................................................... 30 11.1 Maintenance................................................................................................................... 30 11.2 Rectify faults.................................................................................................................... 30 11.3 Diagnosis, fault messages.................................................................
1 About this document 1 About this document 1.1 Function 1.2 Target group 1.3 Symbols used This instruction provides all the information you need for mounting, connection and setup as well as important instructions for maintenance, fault rectification, the exchange of parts and the safety of the user. Please read this information before putting the instrument into operation and keep this manual accessible in the immediate vicinity of the device.
2 For your safety 2 2.1 For your safety Authorised personnel All operations described in this documentation must be carried out only by trained, qualified personnel authorised by the plant operator. During work on and with the device, the required personal protective equipment must always be worn. 2.2 Appropriate use VEGAPULS C 21 is a sensor for continuous level measurement. You can find detailed information about the area of application in chapter "Product description".
2 For your safety with intended use. The band range of the transmission frequency can be found in chapter "Technical data". 2.5 EU conformity The device fulfils the legal requirements of the applicable EU directives. By affixing the CE marking, we confirm the conformity of the instrument with these directives. The EU conformity declaration can be found on our homepage. 2.6 Installation and operation in the USA and Canada This information is only valid for USA and Canada.
3 Product description 3 Scope of delivery Product description 3.
3 Product description Type label You can find the type label on the sensor housing as well as on the type label support on the connection cable. The type label contains the most important data for identification and use of the instrument. VEGAPULS C 2. s/n 12345678 0044 1 6 2 3 12...35V 15m 4...20mA HART IP66/IP68, TYPE 6P MWP 3bar (300kPa) PVDF TAG1234 123456 2019 www.vega.com D-77761 SCHILTACH, Made in Germany 5 4 Fig.
3 Product description • • Smartphone/tablet (iOS or Android operating system) PC/notebook with Bluetooth USB adapter (Windows operating system) 2 1 3 Fig. 3: Wireless connection to standard operating devices with integrated Bluetooth LE 1 2 3 Sensor Smartphone/Tablet PC/Notebook Adjustment via the signal Devices with signal output 4 … 20 mA/HART can also be operated cable via a signal cable. This is done via an interface converter and a PC/ notebook using DTM/PACTware.
3 Product description Packaging 3.4 Packaging, transport and storage Your instrument was protected by packaging during transport. Its capacity to handle normal loads during transport is assured by a test based on ISO 4180. The packaging consists of environment-friendly, recyclable cardboard. For special versions, PE foam or PE foil is also used. Dispose of the packaging material via specialised recycling companies.
4 Mounting 4 Mounting 4.1 General instructions Ambient conditions The instrument is suitable for standard and extended ambient conditions acc. to DIN/EN/IEC/ANSI/ISA/UL/CSA 61010-1. It can be used indoors as well as outdoors. Process conditions Note: For safety reasons, the instrument must only be operated within the permissible process conditions. You can find detailed information on the process conditions in chapter "Technical data" of the operating instructions or on the type label.
4 Mounting The position of the polarisation is in the middle of the type label on the instrument. 1 Fig. 6: Position of the polarisation 1 Installation position Middle of the type label When mounting the sensor, keep a distance of at least 200 mm (7.874 in) from the vessel wall. If the sensor is installed in the center of dished or round vessel tops, multiple echoes can arise. However, these can be suppressed by an appropriate adjustment (see chapter "Setup").
4 Mounting Reference plane The antenna edge of the device is the beginning of the measuring range and at the same time the reference plane for the min./max. adjustment, see following diagram: 1 Fig. 9: Reference plane 1 Inflowing medium Reference plane Do not mount the instruments in or above the filling stream. Make sure that you detect the product surface, not the inflowing product. Fig.
h 4 Mounting d Fig. 12: Socket mounting with deviating socket dimensions Socket diameter d Vessel installations Socket length h 40 mm 1½" ≤ 150 mm ≤ 5.9 in 50 mm 2" ≤ 200 mm ≤ 7.9 in 80 mm 3" ≤ 300 mm ≤ 11.8 in 100 mm 4" ≤ 400 mm ≤ 15.8 in 150 mm 6" ≤ 600 mm ≤ 23.6 in The mounting location of the radar sensor should be a place where no other equipment or fixtures cross the path of the radar signals. Vessel installations, such as e.g.
4 Mounting Agitators If there are agitators in the vessel, a false signal suppression should be carried out with the agitators in motion. This ensures that the interfering reflections from the agitators are saved with the blades in different positions. Fig. 15: Agitators Foam generation Through the action of filling, stirring and other processes in the vessel, compact foams which considerably damp the emitted signals may form on the product surface.
4 Mounting 90° 2 2 ≥ 250 mm (9.84") 1 3 ... 4 hmax 90° ≥ 2 x hmax hmax ≥ 250 mm (9.84") Rectangular overfall 33 4 Fig. 16: Flow measurement with rectangular flume: hmax. = max. filling of the rectangular flume 1 2 3 4 Overflow orifice (side view) Headwater Tailwater Overfall orifice (view from tailwater) ≥ 250 mm (9.84") Khafagi-Venturi flume 3 ... 4 x hmax 90° hmax 1 B 2 Fig. 17: Flow measurement with Khafagi-Venturi flume: hmax. = max.
5 Connecting to power supply 5 Safety instructions Connecting to power supply 5.1 Preparing the connection Always keep in mind the following safety instructions: • • Carry out electrical connection by trained, qualified personnel authorised by the plant operator If overvoltage surges are expected, overvoltage arresters should be installed Warning: Only connect or disconnect in de-energized state. Voltage supply The data for power supply are specified in chapter "Technical data".
5 Connecting to power supply Wire colour Function Polarity 1 Brown Voltage supply, signal output + 2 Blue Voltage supply, signal output - 3 Shielding 5.3 Switch-on phase After connection to the power supply, the device carries out a selftest: • • Internal check of the electronics Output signal is set to failure The current measured value is then output on the signal cable.
6 Access protection 6 6.1 Access protection Bluetooth radio interface Devices with a Bluetooth radio interface are protected against unwanted access from outside. This means that only authorized persons can receive measured and status values and change device settings via this interface. Bluetooth access code A Bluetooth access code is required to establish Bluetooth communication via the adjustment tool (smartphone/tablet/notebook).
6 Access protection Emergency device unlock The emergency device unlock code allows unlocking the devices in code case the device code is no longer known. It can't be changed. The emergency device unlock code can also be found on the supplied information sheet "Emergency codes". If this document is lost, the emergency device unlock code can be retrieved from your VEGA contact person after legitimation. The storage and transmission of the device codes is always encrypted (SHA 256 algorithm).
7 Setup with smartphone/tablet (Bluetooth) 7 System requirements Setup with smartphone/tablet (Bluetooth) 7.1 Preparations Make sure that your smartphone/tablet meets the following system requirements: • • • Operating system: iOS 8 or newer Operating system: Android 4.3 or newer Bluetooth 4.0 LE or newer Download the VEGA Tools app from the "Apple App Store", "Google Play Store" or "Baidu Store" to your smartphone or tablet. Connecting … 7.
7 Setup with smartphone/tablet (Bluetooth) The message "Waiting for authentication" is displayed on the smartphone/tablet. Connected After connection, the sensor adjustment menu is displayed on the respective adjustment instrument. If the Bluetooth connection is interrupted, e.g. due to a too large distance between the two devices, this is displayed on the operating device. The message disappears when the connection is restored.
8 Setup with PC/notebook (Bluetooth) 8 System requirements 8.1 Preparations Make sure that your PC/notebook meets the following system requirements: • • • Activate Bluetooth connection Setup with PC/notebook (Bluetooth) Operating system Windows 10 DTM Collection 12/2019 or newer Bluetooth 4.0 LE or newer Activate the Bluetooth connection via the VEGA project assistant. Note: Older systems do not always have an integrated Bluetooth LE. In these cases, a Bluetooth USB adapter is required.
8 Setup with PC/notebook (Bluetooth) Note: If an incorrect code is entered, the code can only be entered again after a delay time. This time gets longer after each incorrect entry. The message "Waiting for authentication" is displayed on the PC/ notebook. Connected After connection, the sensor DTM appears. Change device code Parameter adjustment of the device is only possible if the parameter protection is deactivated.
9 Setup with PC/notebook (VEGACONNECT) 9 Via interface adapter to the signal cable Setup with PC/notebook (VEGACONNECT) 9.1 Connect the PC 2 4 N OPE 3 USB TWIST LO CK 1 5 Fig.
9 Setup with PC/notebook (VEGACONNECT) Via interface adapter to the VEGAMET controller 3 2 1 TWIST OPE N CK LO USB 4 Fig. 24: Connection of the PC to the VEGAMET controller 1 2 3 4 Prerequisites Sensor Connection cable with 2 mm pins Controller, e.g. VEGAMET 381 Interface adapter VEGACONNECT 9.
9 Setup with PC/notebook (VEGACONNECT) Fig. 25: Example of a DTM view Standard/Full version All device DTMs are available as a free-of-charge standard version and as a full version that must be purchased. In the standard version, all functions for complete setup are already included. An assistant for simple project configuration simplifies the adjustment considerably. Saving/printing the project as well as import/export functions are also part of the standard version.
10 Menu overview Main menu 10 Menu overview Menu item Selection Basic settings Measurement loop name Alphanumeric characters Sensor Application liquid Storage tank, agitator tank, dos- Storage tank ing tank, pumping station/pump shaft, rain overflow basin, tank/ collection basin, plastic tank (measurement through tank top), mobile plastic tank (IBC), level measurement in waters, flow measurement flume/overflow, demonstration Silo (slender and Application bulk solid Silo (slim and high), bunker (la
10 Menu overview Menu item Selection Basic settings False signal suppression False signal suppression 0m Sounded distance to the medium 0m HART variables First HART value (PV) Lin.
11 Diagnostics and servicing 11 Diagnostics and servicing Maintenance 11.1 Maintenance If the device is used properly, no special maintenance is required in normal operation. Precaution measures against buildup In some applications, buildup on the antenna system can influence the measuring result. Depending on the sensor and application, take measures to avoid heavy soiling of the antenna system. If necessary, clean the antenna system in certain intervals.
11 Diagnostics and servicing Since we offer this service worldwide, the support is provided in English. The service itself is free of charge, the only costs involved are the normal call charges. 4 … 20 mA signal 11.3 Diagnosis, fault messages Connect a multimeter in the suitable measuring range according to the wiring plan.
11 Diagnostics and servicing Function check: The instrument is being worked on, the measured value is temporarily invalid (for example during simulation). This status message is inactive by default. Out of specification: The measured value is unreliable because an instrument specification was exceeded (e.g. electronics temperature). This status message is inactive by default. Maintenance: Due to external influences, the instrument function is limited.
11 Diagnostics and servicing Code Text message Cause Rectification F265 Program sequence of the measur- Device restarts automatically Measurement func- ing function disturbed tion disturbed DevSpec State in CMD 48 Byte 4, Bit 3 of Byte 0 … 5 Function check Code Cause Rectification DevSpec C700 A simulation is active Finish simulation Wait for the automatic end after 60 mins.
11 Diagnostics and servicing Code Cause Rectification DevSpec M507 Error during setup Carry out reset and repeat setup Bit 7 of Byte 14 … 24 Text message Error in the instrument settings Error when carrying out a reset State in CMD 48 False signal suppression faulty M508 Bit 8 of Byte 14 … 24 M509 Bit 9 of Byte 14 … 24 M510 Bit 10 of Byte 14 … 24 Data error in program memory Bluetooth controller Software update No communication with the sensor 11.
11 Diagnostics and servicing Cause Measured value jumps towards 100 % Due to the process, the amplitude of the Carry out a false signal suppression level echo sinks Level Fault description 0 time Rectification A false signal suppression was not carried out Amplitude or position of a false signal has changed (e.g. condensation, buildup); false signal suppression no longer matches actual conditions Determine the reason for the changed false signals, carry out false signal suppression, e.g.
11 Diagnostics and servicing Liquids: Measurement error during emptying Fault description Cause Rectification Measured value remains unchanged in the close range during emptying False signal larger than the level echo Check measuring point: Antenna should protrude out of the threaded mounting socket, possible false echoes through flange socket? Level Level echo too small 0 Remove contamination on the antenna In case of interferences due to installations in the close range: Change polarisation dire
11 Diagnostics and servicing Fault description Cause Measured value fluctuates around 10 … 20 % Various echoes from an uneven product Check parameter "Type of medium" and surface, e.g. a material cone adapt, if necessary Optimize installation position and sensor orientation Level 0 time Reflections from the product surface via Select a more suitable installation position, optimize sensor orientation, e.g.
11 Diagnostics and servicing • • • • • Instrument Voltage supply Interface adapter VEGACONNECT PC with PACTware/DTM and Bluetooth USB adapter Current instrument software as file You can find the current instrument software as well as detailed information on the procedure in the download area of our homepage: www.vega.com. Caution: Instruments with approvals can be bound to certain software versions. Therefore make sure that the approval is still effective after a software update is carried out.
12 Dismount 12 Dismount 12.1 Dismounting steps Warning: Before dismounting, be aware of dangerous process conditions such as e.g. pressure in the vessel or pipeline, high temperatures, corrosive or toxic media etc. Take note of chapters "Mounting" and "Connecting to voltage supply" and carry out the listed steps in reverse order. 12.2 Disposal 58341-EN-191014 The device is made of recyclable materials. For this reason, it should be disposed of by a specialist recycling company.
13 Certificates and approvals 13 Certificates and approvals Objective and measures 13.1 Environmental instructions Protection of the environment is one of our most important duties. That is why we have introduced an environment management system with the goal of continuously improving company environmental protection. The environment management system is certified according to DIN EN ISO 14001.
14 Supplement 14 Supplement 14.1 Technical data Note for approved instruments The technical data in the respective safety instructions which are included in delivery are valid for approved instruments (e.g. with Ex approval). These data can differ from the data listed herein, for example regarding the process conditions or the voltage supply. All approval documents can be downloaded from our homepage.
14 Supplement Recommended measuring range3) up to 10 m (32.81 ft) Switch-on phase Run-up time with operating voltage UB < 10 s Output variable Output signal 4 … 20 mA/HART Signal resolution 0.3 µA Staring current (for run-up time) Range of the output signal Resolution, digital Fault signal, current output (adjustable) Max. output current Starting current Load Damping (63 % of the input variable), adjustable ≤ 3.6 mA 3.8 … 20.5 mA/HART (default setting) 1 mm (0.039 in) mA-value unchanged 20.
14 Supplement 10 mm (0.3937 in) 2 mm (0.0787 in) - 2 mm (- 0.0787 in) 0 0,25 m (0.8202 ft) - 10 mm (- 0.3937 in) 1 2 Fig. 28: Deviation under reference conditions 1 2 Antenna edge, reference plane Recommended measuring range Variables influencing measurement accuracy Specifications apply to the digital measured value Temperature drift - Digital output < 3 mm/10 K, max. 10 mm Temperature drift - Current output < 0.03 %/10 K or max. 0.3 % relating to the 16.
14 Supplement Ambient conditions Ambient temperature Storage and transport temperature -40 … +80 °C (-40 … +176 °F) -40 … +80 °C (-40 … +176 °F) Mechanical environmental conditions Sinusoidal vibrations Class 4M8 acc. to IEC 60271-3-4 Impacts Impact resistance 50 g, 2.3 ms according to EN 60068-2-27 (mechanical shock) IK07 acc. to IEC 62262 Process conditions For the process conditions, please also note the specifications on the type label. The lowest value (amount) always applies.
14 Supplement ƲƲ Example - with UB= 24 V DC (24 V - 12 V)/0.022 A = 545 Ω Electrical protective measures Potential separation Electronics potential free up to 500 V AC Protection rating IP66/IP68 (3 bar) acc. to IEC 60529, Type 4P acc. to UL 50 Altitude above sea level 5000 m (16404 ft) Protection class III Pollution degree 4 14.2 Dimensions VEGAPULS C 21 ø 76 mm (2.99") 109 mm (4.28") 23 mm (0.92") 29 mm (1.14") G1; 1NPT R1 R 1½ 1½ - 14 NPT G1½ ø 68 mm (2.68") 1 2 3 Fig.
14 Supplement 14.3 Industrial property rights VEGA product lines are global protected by industrial property rights. Further information see www.vega.com. VEGA Produktfamilien sind weltweit geschützt durch gewerbliche Schutzrechte. Nähere Informationen unter www.vega.com. Les lignes de produits VEGA sont globalement protégées par des droits de propriété intellectuelle. Pour plus d'informations, on pourra se référer au site www.vega.com.
58341-EN-191014 Notes VEGAPULS C 21 • Two-wire 4 … 20 mA/HART 47
All statements concerning scope of delivery, application, practical use and operating conditions of the sensors and processing systems correspond to the information available at the time of printing. Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2019 VEGA Grieshaber KG Am Hohenstein 113 77761 Schiltach Germany Phone +49 7836 50-0 Fax +49 7836 50-201 E-mail: info.de@vega.com www.vega.
