Related Manuals for CS Instruments VA 521
Summary of Contents for CS Instruments VA 521
- Page 1 EN – English Instruction manual VA 521 Compact inline flow sensor with integrated flow straightener with Display, 4 ... 20 mA and pulse output (galv. isolated) VA 521 English V1.20 Page 1 of 39...
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Page 2: Foreword
Foreword Dear customer, thank you very much for deciding in favour of the VA 521. Please read this installation and operation manual carefully before mounting and initiating the device and follow our advice. A riskless operation and a correct functioning of the... -
Page 3: Table Of Contents
Installation Description ....................10 Pipe/tube requirements ............Fehler! Textmarke nicht definiert. Inlet / outlet runs ..............Fehler! Textmarke nicht definiert. Installation of VA 521 ............Fehler! Textmarke nicht definiert. Displayhead Position ......................10 Flow measuring ranges ....................11 Flow for different gases....................... 11 Dimensions ........................12... - Page 4 9.3.5.3 Display / Touch ......................30 9.3.6 Advanced ......................... 30 9.3.7 4 -20mA ........................... 31 9.3.8 VA 521 Info ........................33 MBus............................34 9.4.1 Default Settings communication ..................34 9.4.2 Default values transmitted ....................34 Status / Error messages ...................35 10.1...
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Page 5: Safety Instructions
We are also not liable for consequential damage resulting from the delivery, capability or use of this device. We offer you to take back the instruments of the instruments family VA 521 which you would like to dispose of. -
Page 6: Instruments Description
2 Instruments description The newly developed VA 521 combines modern digital interfaces for connection to energy monitoring systems with a small, compact design. The VA 521 is always used when many machines (compressed air consumers) are to be connected/integrated to a energy monitoring network. - Page 7 Operating principle: The VA 521 consumption probe operates according to the calorimetric measuring method. The basis of this measuring method is the electrical heating of the mechanically protected built-in sensor. The mass flow, the volume flow and the flow velocity can be measured and determined by the resulting heat flow to the passing medium (gas).
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Page 8: Technical Data
G ¼”,, G ½”, G ¾”, G1", G 1¼” G 1½”, G 2” Mounting thread: measuring block Material measuring block: Aluminium Protection class: IP65 * m.v. = measured values f.s. = full scale VA 521 English V1.20 Page 8 of 39... -
Page 9: Scaling Analogue Output Comprssed Air
Reference DIN1945/ ISO 1217: 20°C, 1000 mbar (Reference during calibration) Description Version Analogue output Low Speed 0...20 m³/h Standard 0...45 m³/h VA 521 with integrated ½” measuring block 4… 20 mA = 0...90 m³/h High Speed 0...110 m³/h Low Speed 0...45 m³/h Standard 0...85 m³/h... -
Page 10: Installation Description
The connecting nut is tightened to a torque of 25 -30 Nm. It has to be checked whether the VA 521 is correctly installed in the measuring section, the flow direction arrows must point from the integrated flow straightener away. -
Page 11: Flow Measuring Ranges
1380 Low Speed Standard Nitrous oxide 1170 High Speed 1420 Other gases on request Please note: The area outside the pipeline (ambient area of the sensor) must not be an explosive area. VA 521 English V1.20 Page 11 of 39... -
Page 12: Dimensions
G1/2" 190,65 VA 521 3/4“ DN 20 G3/4" 190,65 VA 521 1“ DN 25 G1" 190,65 VA 521 1 1/4" DN 32 G1 1/4" 215,45 VA 521 1 1/2“ DN 40 G 1 1/2" 215,45 VA 521 2“ DN 50 G2"... -
Page 13: Electrical Wiring
DIP Switch to “On”. It must be ensured that the connection plugs are still plugged and the gasket is installed correctly, see also chapter 6.2. Alternatively, a 120R resistor can be installed in the plug between pin 2 and pin VA 521 English V1.20 Page 13 of 39... -
Page 14: Ethernet (Optional Poe)
Data LINES: 1,2 und 3,4 PoE LINES: 5,6 und 7,8 M12 x 1 Connection cable: Cat 6. Remark: VA521 Power Classification acc. IEEE 802.3af: Class 2 (3,84W – 6,49W) *PoE: Power over Ethernet VA 521 EN V1.20 Page 14 o 39... -
Page 15: Operation
Only for version with display “OK“ ( ) “Up“ ( The operation of the VA 521 is done by the two capacitive key buttons Up ( ) and Enter ( VA 521 English V1.20 Page 15 of 39... -
Page 16: Initialization
Operation 10.1 Initialization After switching on the VA 521, the initialized screen is displayed followed by the main menu. 10.2 Main menu *** VA 520 *** Gas / Status Info HW Version Modbus ID Page-No. SW Version „ “... -
Page 17: Settings
„ “ with key and then confirm it with “OK“. 10.3.1.1 Input / change tube diameter For VA 521 not adjustable (suspended) as voted on included measuring section with corresponding pipe diameter. VA 521 EN V1.20 Page 17 o 39... -
Page 18: Input / Change Consumption Counter
In case the quantity of units selectable are not presentable on one page, pleas move to next „<<“ page by pressing Confirm selection by pressing 2x „OK“. Procedure for all 4 measurement variables is analogous. VA 521 EN V1.20 Page 18 o 39... -
Page 19: Definition Of The Reference Conditions
1. Complete with "OK" activate next number position. Procedure for changing the reference temperature is the same. VA 521 EN V1.20 Page 19 o 39 Under point "Filtertime" together with the appropriate "Filter Grade"... - Page 20 Setup Sensor Setup Advanced AV-Time The time period for averaging can be entered here. Input values of -1440 1 [minutes] are possible. For average values see display window 3 + 4 VA 521 EN V1.20 Page 20 o 39...
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Page 21: Setting Of Zeropoint And Low-Flow Cut Off
Setup Sensor Setup ZP Adjust t Reset „Reset“ By selection of all settings for „ZeroPnt“ and. „CutOff“ are reset. 1,03 „“ Menu item to be select with button „OK“ confirm the reset with „Back“ Leave menu with button VA 521 EN V1.20 Page 21 o 39... -
Page 22: Modbus Rtu Setup
Operation 10.3.2 Modbus settings 10.3.2.1 Modbus RTU Setup The Flow sensors VA 521 comes with a Modbus RTU Interface. Before commissioning the sensor the communication parameters Modbus ID, Baudrate, Parity und Stop bit must be set in order to ensure the communication with the Modbus master. -
Page 23: Modbus Tcp (Optional)
Operation 10.3.2.2 Modbus TCP (Optional) The Flow sensors VA 521 comes optional with a Modbus TCP Interface (HW Interface: M12 x 1 X-coded connector). Device supports with this option the Modbus TCP protocol for communication with SCADA systems. TCP port is set to 502 by default. Port can be changed at the sensor or using PC Service Software Modbus device address (Unit Identifier) can be set in the range of 1- 255. -
Page 24: Network Settings Static Ip
"OK" key. Change the values with the ">" key, and accept the values with the "OK" key. Procedure for "Subnet" "Gateway" analogous. „Save“ Store the settings by VA 521 EN V1.20 Page 24 o 39... -
Page 25: Modbus Tcp Settings
(Little Endian) and "CDAB" (Middle Endian) Saving the changes by pressing "Save", „>“ therefore select it with key and then confirm it with "OK". Reset to the default settings by activating "Set to Default"- VA 521 EN V1.20 Page 25 o 39... -
Page 26: Modbus Settings (2001
1180 Float Flow in Ncfm 1189 1188 Float Flow in kg/h 1197 1196 Float 1205 1204 Float Flow in kg/min 1213 1212 Float Flow in kg/s 1221 1220 Float Flow in kW VA 521 EN V1.20 Page 26 o 39... - Page 27 For DS400 / DS 500 / Handheld devices - Modbus Sensor Datatype „ Data Type R4-32“ match with „Data Type Float“ For more additional Modbus values please refer to VA5xx_Modbus_RTU_Slave_Installation_1.04_EN.doc VA 521 EN V1.20 Page 27 o 39...
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Page 28: Pulse /Alarm
3000000 Table 1 Maximum flow for pulse output Entering pulse values that are not allow a presentation to the full scale value, are not allowed. Entries are discarded and error message displayed. VA 521 EN V1.20 Page 28 o 39... -
Page 29: User Setup
10.3.4.2 Language Settings UserSetup Language Currently 4 languages have been implemented „“ and could be selected with button Change of language by confirming with “OK”. “back”. Leaving the menu with button VA 521 EN V1.20 Page 29 o 39... -
Page 30: Display / Touch
10s. To do this, use the "OK" button to enter the operating menu during this period 10.3.5 Advanced Settings Advanced „Factory Reset“ By pressing the sensor is set back to the factory settings. VA 521 EN V1.20 Page 30 o 39... -
Page 31: -20Ma
„OK“ and confirm selection by pressing Settings 4-20mA Channel 1 The 4-20 mA Analogue output of the Sensor VA 521 can be individually adjusted. It is possible to assign following values „Temperature“, „Velocity“ und „Flow“ to the channel CH 1. - Page 32 „“ „OK“ with button and then select by pressing the the desired mode „Save“ For saving the changes done press button “Cancel”. discard the changes press button Leaving the menu with „Back“. VA 521 EN V1.20 Page 32 o 39...
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Page 33: Va 521 Info
Operation 10.3.7 VA 521 Info Settings Info Here you get a brief description of the sensor data incl. the calibration data. 92,7 m/s 600m³/h Under Details, you are able to see in addition the calibration conditions. Run Time: 2d 21h 23m 12s... -
Page 34: Mbus
Value 2 with [Unit]*: Flow [m³/h] Consumption [m³] Value 3 with [Unit]*: Gas temperature [°C] *All Values could be changed / preset in production or with CS Service software (Order-No. 0554 2007) VA 521 EN V1.20 Page 34 o 39... -
Page 35: Status / Error Messages
11.1 Status messages On the part of CS Instruments GmbH & Co.KG a regular re-calibration is recommended, see chapter 13. At delivery, the date at which the next recalibration is recommended is internally entered. When this date is reached, a message appears in the display with the status message „CAL“. -
Page 36: Error Messages
*** VA 520 *** *** VA 520 *** Low Voltage Heater Error *** VA 520 *** *** VA 520 *** Internal Error Temp out of Range *** VA 520 *** Low Voltage 4.20mA VA 521 EN V1.20 Page 36 o 39... -
Page 37: Maintenance
The warranty time for the VA 521 is 12 months. If no other definitions are given the accessory parts have a warranty time of 6 months. Warranty services do not extend the warranty time. - Page 38 Notes VA 521 English V1.20 Page 38 of 39...
- Page 39 CE Conformity VA 521 English V1.20 Page 39 of 39...
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