Vega VEGAMET 625 Operating Instructions Manual
  1. Manuals
  2. Brands
  3. Vega Manuals
  4. Signal Processors
  5. VEGAMET 625
  6. Operating instructions manual

Vega VEGAMET 625 Operating Instructions Manual

Double channel hart signal conditioning instrument
Hide thumbs Also See for VEGAMET 625:
Table of Contents

Advertisement

Quick Links

Download this manual
Operating Instructions
VEGAMET 625
Double channel HART signal conditioning instrument
Document ID:
28970
Signal
conditioning instruments
and communication

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the VEGAMET 625 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Vega VEGAMET 625

Summary of Contents for Vega VEGAMET 625

  • Page 1 Operating Instructions VEGAMET 625 Double channel HART signal conditioning instrument Document ID: 28970 Signal conditioning instruments and communication...

  • Page 2: Table Of Contents

    Pump control 1/2 (running time controlled) ..47 Tendency recognition ......49 VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 3 11.3 Dimensions ....... 64 Supplementary documentation Information: Supplementary documents appropriate to the ordered version come with the delivery. You can find them listed in chapter "Product description". Editing status: 2011-07-06 VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 4: About This Document

    The dot set in front indicates a list with no implied sequence. à Action This arrow indicates a single action. Sequence Numbers set in front indicate successive steps in a procedure. VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 5: For Your Safety

    During work on and with the device the required personal protective equipment must always be worn. 2.2 Appropriate use VEGAMET 625 is a universal signal conditioning instrument and power supply unit for connection of two HART sensors. You can find detailed information on the application range in chapter "Product description".

  • Page 6: Safety Label On The Instrument

    2.6 CE conformity This device fulfills the legal requirements of the applicable EC guidelines. By attaching the CE mark, VEGA provides a confirmation of successful testing. You can find the CE conformity declaration in the download area of www.vega.com.

  • Page 7: Product Description

    Communication interface for VEGACONNECT (I²C) RS232 or Ethernet interface (optional) Terminal socket The type label contains the most important data for identification and Type label use of the instrument: Article number Serial number Technical data VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 8: Principle Of Operation

    On instruments with one of the optional interfaces (RS232/Ethernet), the measured values can be retrieved via modem or network and displayed by means of a web browser, Visual VEGA or WEB-VV. It is also possible to send measured values and messages via e-mail. The use of VEGAMET 625 is particularly suitable for stocktaking, VMI (Vendor Managed Inventory) and remote enquiry.

  • Page 9: Packaging, Transport And Storage

    (RS232/Ethernet) or the interface converter VEGA- CONNECT. Further instructions for setting up the web server and e-mail functions can be found in the online help of PACTware or the VEGAMET 625 DTMs as well as the operating instructions manual "RS232/Ethernet connection".

  • Page 10: Mounting

    The plug-in socket is provided with coded pins that can be inserted to prevent accidental interchanging of the various instrument types. With a VEGAMET 625 in Ex version, the supplied coded pins (type coded pin and Ex coded pin) must be inserted by the user according to the below chart.
  • Page 11 11 o 12 o 12 o Fig. 2: Plug-in socket VEGAMET 625 Ex separating chamber Ex coding with Ex version Type coding for VEGAMET 624/625 Bridges for looping the operating voltage VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 12: Connecting To Power Supply

    (low impedance). If potential equalisation currents are expected, the screen connection on the side of VEGAMET 625 must be made via a ceramic capacitor (e. g. 1 nF, 1500 V). The low frequency potential equalisation currents are thus suppressed, but the protective effect against high frequency...
  • Page 13 - only the measured value is transmitted. This input is for instruments with their own separate operating voltage (sensors in four-wire version or separators such as VEGATRENN 149). On a VEGAMET 625 in Ex version, the passive input is not available due to approval/technical reasons. Note: VEGAMET 625 is designed for connection of two HART sensors.

  • Page 14: Wiring Plan

    15 16 17 18 19 20 21 22 23 24 25 26 27 28 L1 N Fig. 3: Wiring plan VEGAMET 625 with two-wire sensors Internal operating relay 1 Internal operating relay 2 Internal operating relay 3 Internal current output 1...
  • Page 15 15 16 17 18 19 20 21 22 23 24 25 26 27 28 L1 N Fig. 4: Wiring plan VEGAMET 625 with four-wire sensors Internal operating relay 1 Internal operating relay 2 Internal operating relay 3 Internal current output 1...

  • Page 16: Setup With The Integrated Indicating And Adjustment Unit

    The integrated indicating and adjustment unit is used for measured Function value display, adjustment and diagnosis of VEGAMET 625 as well as the connected sensors. The indication and adjustment are carried out via four keys and a clear, graphic-capable display with background lighting.

  • Page 17: Setup Steps

    (RS232/Ethernet) or the interface converter VEGA- CONNECT. Further instructions for setting up the web server and e-mail functions are stated in the online help of PACTware or the VEGAMET 625 DTMs as well as the supplementary instructions manual "RS232/Ethernet connection".
  • Page 18 VEGAMET menu under "Service - Sensor address" (see chapter "Setup procedure" under "Service - Change sensor address"). After being switched on, VEGAMET 625 first of all carries out a short Switch on phase self-check. The following steps are carried out: Internal check of the electronics indication of the instrument type, firmware version as well as the...
  • Page 19 à Select the requested application with [->] and save your setting with [OK]. Finally change to the menu item "Input" with [->]. Because VEGAMET 625 has two inputs, the measurement loops must Device settings - Input be assigned to the inputs. After the addresses of the HART sensors are assigned, a list of the existing sensors can be prepared and displayed via "Sensor selection - Sensor search".
  • Page 20 6 Setup with the integrated indicating and adjustment unit [OK]. After the first setup, you can modify the inputs also under "Meas. loop - Input". You can assign an unambiguous name to VEGAMET 625 via the Device settings - Device- Device-TAG. This function is recommended when several instruments are implemented and a good documentation of larger systems is required.
  • Page 21 6 Setup with the integrated indicating and adjustment unit Because VEGAMET 625 has two inputs, the measurement loops must Measurement loop - In- be assigned to the inputs. After the addresses of the HART sensors are assigned, a list of the existing sensors can be prepared and displayed via the sensor search.
  • Page 22 à Finally save your settings with [OK], the adjustment is finished. Keep in mind that this adjustment refers only to the measurement loop selected by you initially. All other measurement loops must be adjusted separately, if necessary. VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 23 In digital systems and in the documentation of larger plants, a singular designation should be entered for exact identification of individual measurement points. VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 24 In the following window the reaction of the relay in case of failure can be determined. Here you can define whether, in case of failure, the switching condition of the relay remains unchanged or the relay is switched off. VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 25 à Enter the requested parameters via the appropriate keys and save your settings with [OK]. When the instrument displays a failure message, further information is Diagnostics available under the menu item "Diagnosis - Device status". VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 26 In mode HART Multidrop, an address from 1 … 15 is assigned to the sensor. By doing so, the current is fix limited to 4 mA and the measured value transmission is only made digitally. VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 27 6 Setup with the integrated indicating and adjustment unit Each sensor connected to VEGAMET 625 must operate in mode HART multidrop and must be provided with different addresses in the range between 01 … 15. Via the menu item "Sensor address", it is possible to change the address of the connected sensor.
  • Page 28 PACTware or the DTM as well as in the operating instructions manual "RS232/Ethernet connection". An overview of the standard functions and their adjustment options can be found in chapter "Functional overview" in the "Supplement". VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 29: Menu Schematic

    6 Setup with the integrated indicating and adjustment unit 6.3 Menu schematic Information: Depending on the instrument version and application, the highlighted menu windows are not always available. Measured value indication Device settings VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 30 6 Setup with the integrated indicating and adjustment unit Device settings - Input Measurement loops 1/2 - Input Meas. loop 1/2 - Change input VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 31 6 Setup with the integrated indicating and adjustment unit Meas. loop 3 - Change input Meas. loop 1/2 - Parameter Meas. loop 3 - Parameter VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 32 6 Setup with the integrated indicating and adjustment unit Meas. loop - Adjustment Meas. loop - Damping Meas. loop - Linearization curve VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 33 6 Setup with the integrated indicating and adjustment unit Meas. loop - Scaling Meas. loop - Meas. loop TAG Meas. loop - Output - Relay VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 34 6 Setup with the integrated indicating and adjustment unit Meas. loop - Output - Current outputs Display Diagnostics VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 35 6 Setup with the integrated indicating and adjustment unit Service Service - Simulation Service - Sensor address VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 36 6 Setup with the integrated indicating and adjustment unit Service - Data transmission (only with option RS232/Ethernet interface) Info VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 37: Setup With Pactware

    IP address or host name everywhere in the network. In addition, these specifications must be entered in the DTM (see chapter "Parameter adjustment with PACTware"). VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 38 RS232 modem connection cable supplied with the instrument and an additionally connected null modem cable (e.g. article no. LOG571.17347). To reduce EMC interference, you should mount the supplied ferrite bead on the RS232 modem connection cable. VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 39 Fig. 10: Terminal assignment of the RS232 modem connection cable Name of the interface cable Assignment of the RJ45 plug (view contact side) Assignment of the RS232 plug (view soldering side) VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 40: Parameter Adjustment With Pactware

    PACTware, then also only one sensor must be connected. When connecting via Ethernet, VEGAMET 625 must be provided with Connection via Ethernet a suitable IP address and subnet mask. If the project setup is carried out without assistant (online mode), IP address and subnet mask must be entered additionally in the DTM.

  • Page 41: Setup Web Server/E-Mail, Remote Enquiry

    "RS232/Ethernet connection". The connection via Modbus-TCP or ASCII protocol is described in an additional supplementary instruction "Modbus-TCP, ASCII protocol". Both supplementary instructions are attached to each instrument with RS232 or Ethernet interface. VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 42: Application Examples

    The filling by a tank car is controll via relay 1 and a valve (overfill protection). The discharge is carried out via a pump and is controlled by relay 2 (dry run protection). The max. VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 43: Weir Control Of A Water Power Station

    Example (downstream water) is measured each with a VEGAWELL 72 HART. VEGAMET 625 generates the difference (h3) out of these two levels (measurement loop 3). If this difference is too high, a signal will be VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 44 Enter now under "Service - Change sensor address" in the menu item "New address" HART address "01" Disconnect sensor 1 and connect sensor 2 for downstream water Assign HART address "02" Reconnect sensor 1 VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 45: Interface Measurement With Vegaflex 67

    Via the adjustment in VEGAMET 625 the level, interface and layer thickness of the upper medium can be calculated and displayed.
  • Page 46 Each VEGAFLEX 67 is shipped with default settings. The values of this adjustment are automatically tranferred to VEGAMET 625 during the setup of the interface measure- ment. Hence, manual adjustment is usually not necessary. Should the instrument require a special adjustment, this adjustment can be carried out any time under "Measurement...

  • Page 47: Pump Control 1/2 (Running Time Controlled)

    Pump control 2: The upper switching point determines the switch- on point for the relay, whereas the lower switching point determines the switch-off point VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 48 Input signal is between lower and upper switching point -> Relay remains switched off Input signal is smaller than the lower switching point -> Relay remains switched off VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 49: Tendency Recognition

    Select under "Reaction in case of failure" the option "Switching condition off" Enter the following values into the parameter fields: Measured value more than 25 %/min. Max. reaction time 1 min. VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 50: Flow Measurement

    DTMs. The example refers to a flow measurement with a radar sensor. The following setup steps must be carried out: Selection of the parameter "Flow" Carrying out adjustment Select flume (linearization) Set scaling Parameter adjustment of pulse outputs VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 51 This means that a timer is started after each pulse after which another pulse is outputted. This applies only if already a pulse was outputted after exceeding the flow volume. VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 52 flow volume detection despite the "empty" flume. The option "Min. flow volume suppression" offers the possibility to suppress measured flow volumes below a certain percentage value for the flow volume detection. VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 53: Maintenance And Fault Rectification

    Should these measures not be successful, please call in urgent cases 24 hour service hotline the VEGA service hotline under the phone no. +49 1805 858550. The hotline is available to you 7 days a week round-the-clock. Since we offer this service world-wide, the support is only available in the English language.
  • Page 54 à Carry out a fresh scaling, increase the distance between min. and max. scaling. E026 Units of the input variable are different (only differential measurement loop) à Adapt the units of both à Use sensors with the same input variable VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 55 E110 Relay switching points too close together à Increase the difference between the two relay switching points E111 Relay switching points interchanged à Change relay switching points for "On/Off" VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 56: Instrument Repair

    Please ask the agency serving you for the address of your return shipment. You can find the respective agency on our website www.vega.com under: "Company - VEGA worldwide" VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 57: Dismounting

    Materials: see chapter "Technical data" If you have no way to dispose of the old instrument properly, please contact us concerning return and disposal. VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 58: Supplement

    3 x operating relay, 1 x fail safe relay Quantity Switching relay for level or pulse relay for flow/ Function sampling pulse Floating spdt Contact Selection is made via the terminals, a mixed operation active/passive is not possible. VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 59 If inductive loads or stronger currents are switched through, the gold plating on the relay contact surface will be permanently damaged. The contact is then no longer suitable for switching low-level signal circuits. VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 60 1 kV Potential separation between RS232 interface and digital part Reference voltage 50 V Isolation resistance 50 V Approvals Instruments with approvals can have different technical data depending on the version. VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 61 11 Supplement That's why the associated approval documents have to be noted with these instruments. They are part of the delivery or can be downloaded under www.vega.com via "VEGA Tools" and "serial number search" as well as via "Downloads" and "Approvals".

  • Page 62: Overview Applications/Functionality

    Configure transmission of measured values via e-mail • • • • • Configure transmission of measured values via SMS • • • • • Operating Panel (integrated indicating and adjustment unit) only with VEGAMET 391 VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 63 11 Supplement VEGAMET 625 • Double channel HART signal conditioning instrument...

  • Page 64: Dimensions

    11 Supplement 11.3 Dimensions Ser. No. 12345678 13 14 15 16 9 10 11 12 23 24 25 26 27 28 17 18 20 21 22 130 mm (5.12") 72 mm (2.84") VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 65 Les lignes de produits VEGA sont globalement protégées par des droits de propriété intellectuelle. Pour plus d'informations, on pourra se référer au site http://www.vega. VEGA lineas de productos están protegidas por los derechos en el campo de la propiedad industrial. Para mayor información revise la pagina web http://www.vega.com Линии...
  • Page 66 Multiviewer 40 Factory setting 26 Failure 25 - Causes 53 Network 17 - Fault message 25, 53 - Removal 53 Flow measurement 24, 50 Online help 27, 40 Fluctuating product surface 23 VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 67 Software update 40 Spherical tank 23 Subnet mask 20 Switching window 24 Tank calculation 40 Tendency 24 Tendency recognition 49 Time setting 20 Type label 7 - USB - RS232 adapter 38 VEGAMET 625 • Double channel HART signal conditioning instrument...
  • Page 68 All statements concerning scope of delivery, application, practical use and operating conditions of the sensors and processing systems correspond to the information avail- able at the time of printing. © VEGA Grieshaber KG, Schiltach/Germany 2011 Subject to change without prior notice 28970-EN-110801...

Table of Contents