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Summary of Contents for Kobold KEC-2
- Page 1 Operating Instructions Thermal Energy Flowmeter for gases Model: KEC-2 KEC-2 K06/0622 Page 1 of 38...
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Page 2: Foreword
Foreword Dear customer, thank you very much for deciding in favour of the KEC-2. 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 KEC-2 are only... -
Page 3: Table Of Contents
4.1.2.2 Passive ........................9 4.1.3 Pulse ..........................9 4.1.4 Alarm ..........................9 Measuring range flow KEC-2 ....................10 4.2.1 Measuring range end values “Low Speed” ..............10 4.2.1 Measuring range end values “Standard Version” ............11 4.2.1 Measuring range end values “Max Speed Version” ............12 4.2.1... - Page 4 8.3.4 User Setup ........................33 8.3.5 Advanced ......................... 34 8.3.6 4 -20mA ........................... 35 8.3.7 KEC-2 Info ........................37 MBus ............................37 8.4.1 Default Settings communication ..................37 8.4.2 Default values transmitted ....................37 EU Declaration of Conformance .................. 38...
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Page 5: Pictograms And Symbols
As a consequence of incorrect handling: possible personal injury or damage Note! Possible hazard As a consequence of incorrect handling: possible personal injury or damage Important! Additional notes, information, tips As a consequence of incorrect handling: Disadvantages in operation and maintenance, no danger KEC-2 K06/0622 Page 5 of 38... -
Page 6: Safety Instructions
Measures: • Make sure that the KEC-2 operates only within the permissible and listed limits on the nameplate • Ensure the operation within the performance data of KEC-2 in connection with the application •... -
Page 7: Intended Use
The instrument described in this manual is exclusively to use for measuring the thermal mass flow of gases. At the same time, the gas temperature is measured too. The KEC-2 can be configured for measuring a predetermined range of pure gases or of gas mixtures. -
Page 8: Technical Data
2“ TFT Color Display (320 x 240) Material: Housing aluminum die cast, probe stainless steel1,4571 Protection class IP67 * Reference conditions for Temperature and pressure can be freely set, standard conditions are 0 ° and 1013 mbar. KEC-2 K06/0622 Page 8 of 38... -
Page 9: Signal Circuits
4.1.3 Pulse • Galvanically isolated (dry contact) • Passive: 48 Vdc , 500 mA • Max. pulse output freq. 50 Hz 4.1.4 Alarm • Galvanically isolated (dry contact) • Max. 48 Vdc, 500 mA KEC-2 K06/0622 Page 9 of 38... -
Page 10: Measuring Range Flow Kec-2
Technical data Measuring range flow KEC-2 4.2.1 Measuring range end values “Low Speed” KEC-2 K06/0622 Page 10 of 38... -
Page 11: Measuring Range End Values "Standard Version
Dimension 4.2.1 Measuring range end values “Standard Version” KEC-2 K06/0622 Page 11 of 38... -
Page 12: Measuring Range End Values "Max Speed Version
Dimension 4.2.1 Measuring range end values “Max Speed Version” KEC-2 K06/0622 Page 12 of 38... -
Page 13: Measuring Range End Values "High-Speed Version
Dimension 4.2.1 Measuring range end values “High-Speed Version” KEC-2 K06/0622 Page 13 of 38... -
Page 14: Dimensions
Dimension Dimensions Dimension KEC-2 Thread-version KEC-2 thread version Outer Inner Connection pipe dia. pipe dia. thread [mm] [mm] [mm] [mm] [mm] [mm] [mm] 1/2“ 21.3 16.1 176.4 165.7 3/4“ 26.9 21.7 179.2 165.7 1“ 33.7 27.3 182.6 165.7 1 1/4“... -
Page 15: Dimension Kec-2 Flanged-Version
Dimension Dimension KEC-2 Flanged-version KEC-2 K06/0622 Page 15 of 38... -
Page 16: Installation
5 x D The values represent the min.lenghts. In case the min. inlet / outlet runs could not be ensured, it must be expected to get increased or significant d eviations of the measurement values. KEC-2 K06/0622 Page 16 of 38... -
Page 17: Installation Of Kec-2
The sensor KEC-2 is pre-supplied with the measuring section. Alignment Display (Housing) The sensor housing KEC-2 can be turned in both directions, max. 345 °. For this purpose, the housing-connecting nut must be opened. The housing can be rotated to the desired position, a bigger rotaion angle is prevented by internal stop pins. -
Page 18: Connection Diagram
Wiring Connection diagram Cable glands - clamping ranges For ensuring the tightness and strain relief, connector cables with the following diameters must be used. KEC-2 Standard clamping range : Ø 5-9 mm KEC-2 K06/0622 Page 18 of 38... -
Page 19: Connector Pin Assignment
Wiring Connector pin assignment * Outputs are galvanically isolated. ** The Current outputs, X5 and X6, are optional.(Active and passive version available). KEC-2 K06/0622 Page 19 of 38... -
Page 20: Wire Connection
Modbus (termination): If the sensor placed at the end oft he Modbus system a termination is required. Therfore the enclosed 120R resistor ist o be connected at Pin 1 and Pin 3 of connector „X2“ KEC-2 K06/0622 Page 20 of 38... -
Page 21: Pulse Output
Wiring 7.3.4 Pulse Output KEC-2 K06/0622 Page 21 of 38... -
Page 22: Operation Kec-2
Operation Operation KEC-2 The operation of the KEC-2 are carried out by 2 optical keys through the glass cover Thus, the KEC-2 can be operated from the outside without opening the cap. Optical keys Selection of the individual menu items is done by pressing the ">" and confirm by pressing "OK". -
Page 23: Main Menu
The settings menu could accessed by pressing the key „OK“. But the access to the settings menu is password protected. Factory settings for password at the time of delivery: 0000 (4 times zero). If required the password could be changed at Setup–User setup-Password. KEC-2 K06/0622 Page 23 of 38... -
Page 24: Sensor Setup
For changes, first select the menu item with key „ “ and then confirm it with “OK“. 8.3.1.1 Input / change tube diameter For KEC-2 not adjustable (suspended) as voted on included measuring section with corresponding pipe diameter. KEC-2 K06/0622 Page 24 of 38... -
Page 25: 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. KEC-2 K06/0622 Page 25 of 38... -
Page 26: Definition Of The Reference Conditions
„OK“ Setup Sensor Setup Advanced Ref.Temp By pressing „“ the position value is incremented by 1. Complete with "OK" activate next number position. Procedure for changing the reference temperature is the same. KEC-2 K06/0622 Page 26 of 38... - Page 27 Input values of 0 -10000 in [ms] are possible 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 KEC-2 K06/0622 Page 27 of 38...
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Page 28: Setting Of Zeropoint And Low-Flow Cut Off
Setup Sensor Setup ZP Adjust t Reset By selection of „Reset“ all settings for „ZeroPnt“ and. „CutOff“ are reset. 1,03 Menu item to be select with button „“ confirm the reset with „OK“ Leave menu with button „Back“ KEC-2 K06/0622 Page 28 of 38... -
Page 29: Modbus Setup
Operation 8.3.2 Modbus Setup The Flow sensors KEC-2 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 30: Modbus Settings (2001
Flow in cfm 1181 1180 Float Flow in Ncfm 1189 1188 Float 1197 1196 Float Flow in kg/h Flow in kg/min 1205 1204 Float Flow in kg/s 1213 1212 Float Flow in kW 1221 1220 Float KEC-2 K06/0622 Page 30 of 38... -
Page 31: Remark
1355 1354 Float Velocity Ft/min 1363 1362 Float Velocity NFt/min 1371 1370 Float GasTemp °C 1419 1418 Float GasTemp °F 1427 1426 Float Remark: • For more additional Modbus values please refer to KECXX_Modbus_RTU_Slave_Installation_1.00_EN.doc KEC-2 K06/0622 Page 31 of 38... -
Page 32: Pulse /Alarm
180000 3000 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. KEC-2 K06/0622 Page 32 of 38... -
Page 33: Usersetup
180°. Currently 4 languages have been implemented and could be selected with button „“ Change of language by confirming with “OK”. Leaving the menu with button “back”. KEC-2 K06/0622 Page 33 of 38... -
Page 34: Advanced
Operation 8.3.5 Advanced Settings Advanced By pressing „Factory Reset“ the sensor is set back to the factory settings. KEC-2 K06/0622 Page 34 of 38... -
Page 35: -20Ma
For saving the changes done press button „Save“ discard the changes press button “Cancel”. Leaving the menu with „Back“. 0.000 m³/h 1098.9 m³/h 169,8 m/s 1098.9 m³/h Settings 4-20mA Channel 1 AutoRange KEC-2 K06/0622 Page 35 of 38... - Page 36 To make changes first select a menu item "Current Error" with button „“ and then select by pressing the „OK“ desired mode For saving the changes done press button „Save“ discard the changes press button “Cancel”. Leaving the menu with „Back“. KEC-2 K06/0622 Page 36 of 38...
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Page 37: Kec-2 Info
Default values transmitted Value 1 with [Unit]*: Consumption [m³] Value 2 with [Unit]*: Flow [m³/h] Value 3 with [Unit]*: Gas temperature [°C] *All Values could be changed / preset in production or with Kobold Service software KEC-2 K06/0622 Page 37 of 38... -
Page 38: Eu Declaration Of Conformance
EU Declaration of Conformance We, KOBOLD Messring GmbH, Hofheim-Ts, Germany, declare under our sole responsibility that the product: Thermal Energy Flowmeter for gases Model: KEC-2 to which this declaration relates is in conformity with the standards noted below: EN 55011:2016 + A1:2017 Industrial, scientific and medical equipment - Radio-...
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