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Ahlborn ALMEMO 204 Operating Instructions Manual Download Page 69

Index 

Standard equipment

64

Standard sensor (V5)

19

Start date

43

Starting and stopping measuring operations

43

Switching ON / OFF

18

Technical data

64

Time constant

34

To enter data

23

Trigger inputs

60

Trouble-shooting

62

Two-point adjustment

37

U-Sensor Min

52

User menu U2 - data logger

28

Usermenus

29

Volume flow measurement

36

Warranty

6

Waste disposal

7

Zero-point correction

47

  ALMEMO

®

 204

69  

Summary of Contents for ALMEMO 204

Page 1: ...____________________________ Operating instructions english V7 special measuring instrument ALMEMO 204 for digital sensors V1 0 13 01 2020 www ahlborn com...

Page 2: ...006 EKG Relay trigger adapter ZA1006 RTA Analog output 2 ZA160x RI RU 3 Connection socket DC 12V Mains adapter ZA1312 NA10 12V 2A Cable el isol ZA2690 UK 10 30V 4 LCD graphics display 7 rows for funct...

Page 3: ...DC voltage supply 17 6 4 Sensor supply 18 6 5 Switching ON OFF reinitialization 18 6 6 Data buffering 18 7 CONNECTING SENSORS TRANSDUCERS 18 7 1 Standard sensor V5 19 7 2 D6 sensors 19 7 3 D7 sensors...

Page 4: ...2 External plug in memory incorporating Memory card 38 13 5 3 Numbering of measuring operations 39 13 5 4 Once only saving of all measuring points 39 13 5 5 Cyclic saving of all measuring points 40 13...

Page 5: ...5 Interface device address and networking 55 15 6 Baud rate data format 55 15 7 Process control 56 15 7 1 Sampling rate 56 15 7 2 Scan cycle 56 15 7 3 Output cycle 57 15 8 Hysteresis 57 15 9 Operating...

Page 6: ...e end of the Manual 3 1 Warranty Each and every device before leaving our factory undergoes numerous qual ity tests We provide a manufacturer s guarantee lasting two years from deliv ery date that you...

Page 7: ...isposal of any such item as un sorted domestic waste is strictly forbidden Please dispose of all packaging materials in accordance with the applicable national waste management regulations Please disp...

Page 8: ...conjunction with unsuitable peripheral equipment Use of the device for any purpose other than that for which it is intended Damage caused by electrostatic discharge or lightning DANGER Risk of fatal...

Page 9: ...integrated power supply are not electrically iso lated from one another 4 2 Handling batteries rechargeable batteries correctly When inserting batteries rechargeable batteries ensure that the polarit...

Page 10: ...can now very easily be measured and recorded together Individual sensor functions can be parametrized via a menu stored in the plug itself To facilitate identification the quantity abbreviations and u...

Page 11: ...uring channels are programmed completely and automatically via the ALMEMO plugs However the user can easily supplement or modify this pro gramming via the keypad or via the interface Measuring ranges...

Page 12: ...e minimum In the event of one of these limit values being infringed an alarm signal is output and relay output modules actuate the associated alarm con tacts these can be allocated individually to spe...

Page 13: ...ese values can then be displayed output or deleted from memory Average value Manual averaging is available per channel over a particular period or cycle or over a series of individual measuring operat...

Page 14: ...mops Scan cycle With the ALMEMO 204 there is also the superordinate scan cycle which ac quires all standard channels and D7 channels whenever one of these delivers a new current measured value Recordi...

Page 15: ...ocol has been changed so that data is now output in table format only this can then as re quired be processed directly using any standard spreadsheet program Networking All ALMEMO devices can be indiv...

Page 16: ...l channels on the connector or those functions needed for measured value calculation are displayed Data logger functions s 11 4 Select Menu U2 data logger MENU Select memory cycle PROG Using the scan...

Page 17: ...t to flash If the batteries discharge completely the device will switch off automatically as soon as battery capacity drops to approx 3 V any parameters set will be saved s 7 6 To replace used batteri...

Page 18: ...Device ad dress 00 Hysteresis 10 Sampling rate 10 mops Sensor programming in the ALMEMO plugs will remain unaffected 7 6 Data buffering The sensor s programming is stored in the EEPROM on the sensor p...

Page 19: ...lti point calibration and smoothing however on this V7 device quantity configuration and parametrization can be performed via the Sensor configuration menu or using a USB adapter cable di rectly on th...

Page 20: ...rporate any internal channels On the measuring instrument this gives the following channel assign ment 8 5 Potential separation Since the digital sensors are all operated via the common sensor power s...

Page 21: ...n To select menus press or To call up the selected menu press or PROG To view the most important device information INFO 9 2 Measured value display and status symbols To access the sensor menu go to t...

Page 22: ...s F1 F2 and the cursor keys operate may vary from menu to menu 5 Their function is indicated as an abbreviation in the bottom line of the display softkeys In the instructions and documentation these s...

Page 23: ...mory card CMEM Set a parameter directly SET Cancel the function ESC 9 5 To enter data When a programmable parameter is selected its current value can be cleared or reprogrammed directly s 9 4 To delet...

Page 24: ...ABC For lower case characters abc For numbers only 123 For arithmetic sign When entering certain parameters e g measuring range relay variant etc this procedure can be used to select and program not...

Page 25: ...address Having accessed the Sensor list with its display of all connected sensors you can use keys to select one particular sensor from here there are three possibilities 1 With key M you can access...

Page 26: ...ing on the quantity and range it lists all functions of importance for this measured value e g compensation values plus any further measuring channels assigned to the sensor in question Additional mea...

Page 27: ...he display by the symbol REL in other cases the symbol appears If you prefer to disable the zero setting function completely the chan nel in question must be locked at level 6 11 2 2 Atmospheric press...

Page 28: ...minimum Meas points list LV Min 0 0 23 12 C 20 00 To select further measuring points press M or 11 4 User menu U2 data logger If a plug in memory is connected at socket A2 user menu U1 process control...

Page 29: ...ce or to memory either the output cycle or the scan cycle must have been programmed and the output configured appropri ately s 14 5 7 Once cyclic output has started all measured value scans are output...

Page 30: ...age value CLR CLRA o 11 Output cycle s 16 7 3 Output cycle 00 00 00 U CLR o 12 Date time of day s 16 1 Time 12 34 56 Date 01 02 00 CLR o 14 Averaging mode Averaging mode CONT CLR o 18 Sampling rate s...

Page 31: ...Save menu U1 OK You can also save all your menus on the PC and reload these as and when re quired Example of a freely configured user menu bar chart User menus can be freely configured using the ALMEM...

Page 32: ...4 Min 25 37 Max 31 34 To clear maximum minimum and average values for all channels CLRA Whenever this data is deleted the current measured value will since measur ing is a continuous process appear ag...

Page 33: ...election averaging is selected a new selection menu will appear listing the vari ous averaging modes These include measured value smoothing for the selected channel with a sliding average win dow aver...

Page 34: ...t this must be configured To also display the average value acquired as it is being output a function channel M t must be activated on an additional channel for the sensor in question s 15 9 14 2 2 Av...

Page 35: ...Or alternatively To enter a certain averaging duration in seconds select and program the func tion Meas Duration The function changes automatically to Aver duration 020 U Start averaging START Verific...

Page 36: ...the cross section area XS VS v XS 0 36 VS m3 h v m s XS cm2 The average flow velocity v can be acquired in the following ways 1 Averaging over individual measurements s 14 2 2 2 Averaging over time s...

Page 37: ...Adjust gain in function setpoint 2 by pressing ADJ Measured value should now display setpoint 2 0 0 100 0 C Correction value calculation Also enter known actual values in function Actual val 1 0 4 2...

Page 38: ...om ring to linear memory The basics for data storage in ALMEMO instruments are described in the manual chapter 6 9 ATTENTION Only one sensor configuration is stored in the internal memory at the first...

Page 39: ...hed in position Memory cards do not support ring memory mode 14 5 3 Numbering of measuring operations To identify measuring operations or series of measuring operations these can before starting be as...

Page 40: ...point scan START The following symbols will be highlighted continuously in the status bar i e so long as the measuring operation is running s 9 2 The START arrow lights up If data is being output via...

Page 41: ...tion in the output cycle Save Saving to memory activated default setting ON Switching off the saving function OFF Allow oversampling Oversampling For quicker processes in particular with D7 sensors sa...

Page 42: ...p On The device then switches off and the only visible activity is the flashing red at the top of the display LED SLEEP 4 flashes 6 In the specified cycle the device switches on automatically performs...

Page 43: ...ritten and the last data is available see Hb 6 10 13 2 Linear memory without overwriting data Ring memory with overwriting of data 14 5 9 Starting and stopping measuring operations A measuring operati...

Page 44: ...n End date Format tt mm jj End date Meas duration start Format hh mm ss hh Meas duration 00 01 23 45 To clear these values after selecting this function pres OFF If the start time of day for a measuri...

Page 45: ...and channels actually activated can be processed To activate a new channel key MALL should first be pressed this accesses all selectable channels Then key MACT should be pressed this accesses only th...

Page 46: ...zero point adjustment temporary 7 limit values maximum and minimum Function Locking mode Locking 5 In the Channel functions menu the functions are listed from top to bottom and in such a way that the...

Page 47: ...y it is nearly always necessary to perform a zero point shift and multipli cation by a factor To perform these steps the functions base and factor are provided For a detailed description of scaling wi...

Page 48: ...and for g enter gk 15 9 Selecting the measuring range With this device the individual measuring ranges for D6 and D7 sensors can only be modified via the sensor configuration menu s 15 10 This sectio...

Page 49: ...e processing or from calculated results obtained by linking cer tain measured values on measuring channels see Manual 6 3 4 Reference to the actual measuring channels is provided by one or two referen...

Page 50: ...On the 204 measuring instrument in the two Special functions menus all sensor parame ters can be accessed these may be needed only occasionally in routine operation but may in many applications be ver...

Page 51: ...ay cables offer two relays the new relay adapter ZA 8006 RTA3 offers up to 10 relays In the output module for the re lay the mode should be set to variant 2 assigned internally s 17 2 Man 6 10 9 To ac...

Page 52: ...g a mains unit To prevent mea suring errors the minimum sensor voltage needed by each individual sensor can be en tered in sensor programming If the sensor voltage drops below this value the measured...

Page 53: ...erence channel 1 you can also set another measuring point as reference channel Program reference channel 1 Ref channel 1 1 0 2 For function channels needing a 2nd reference channel see above first ent...

Page 54: ...red up to maximum 40 characters in length s 9 5 The entry here of an individual text can help clearly identify the device in the display device configuration info menu in a printout or in a software l...

Page 55: ...address this ensures that only one device responds per command Before starting network operation ensure therefore that all the measuring instruments involved are assigned different and unique device...

Page 56: ...e modify by means of SET Sampling rate 10M s 16 7 2 Scan cycle The scan cycle is used for the purpose of acquiring maximum and minimum values limit value infringements and analog outputs from the new...

Page 57: ...cle to 1 minute RESET There is no longer a choice of output formats because the expanded range of values can only be expressed in table format see Man 6 6 1 This format is as always ideally suitable f...

Page 58: ...es are con nected to socket A1 2 this is with the exception of network cable ZA 1999 NK5 which is used for networking a further device this must be connected to socket A2 In the menu under the socket...

Page 59: ...r keypad 8 Driven externally Variant 2 assigned internally is set automatically if a relay is assigned to a limit value s 15 12 2 Power failure can be detected more easily if relay addressing is inver...

Page 60: ...outputs V5 output modules For the purposes of analog recording of mea sured values it is still possible at sockets A1 and or A2 2 to connect V5 output modules with an analog output driven by the devic...

Page 61: ...V6 the analog value appears with the appropriate units Analog value 08 345 V Programmed analog value output s Man 6 10 7 If the analog value is to be controlled individually either manually or via the...

Page 62: ...y Check the cabling for any inadmissible electrical connections Unplug any suspicious sensors Connect a hand held sensor in air or a phantom sensor short circuit for voltages 100 for Pt100 sensors and...

Page 63: ...comprehensive function test in the device list or terminal mode 19 DECLARATION OF CONFORMITY Ahlborn Mess und Regelungstechnik GmbH declares herewith that measuring instrument ALMEMO 204 carries the C...

Page 64: ...dules Active mode approx 31 mA at 4 5 V With illumination approx 68 mA at 4 5 V Sleep mode approx 0 05 mA Housing 127 x 83 x 42 mm LxWxH ABS acrylonitrile butadiene styrene Weight approx 260 g Operati...

Page 65: ...D7 extension cable not electrically isolated length xx cm ZA D700 VKxx ALMEMO V6 input output cable for triggering and limit value alarm ZA 1006 EGK ALMEMO V6 relay trigger adapter 4 relays 2 trigger...

Page 66: ...veraging over time 35 Base value 47 Battery operation 17 Baud rate 55 Changing the units 48 Channel designation 45 Configuration 57 Configuration of user menus 31 Connecting sensors transducers 18 con...

Page 67: ...ry 38 Introduction 10 keypad 21 KONF 50 Language 54 Limit values 46 Locking the sensor programming 46 Mains operation 17 Maximum minimum individual value memory 32 Measured value display and status sy...

Page 68: ...s 53 Relay addressing inverted 59 Relay assignment 51 Relay trigger modules 58 Safety instructions 8 Sampling rate 56 save to memory activation 41 Scaling 37 47 Scaling the analog output 61 Scan cycle...

Page 69: ...perations 43 Switching ON OFF 18 Technical data 64 Time constant 34 To enter data 23 Trigger inputs 60 Trouble shooting 62 Two point adjustment 37 U Sensor Min 52 User menu U2 data logger 28 Usermenus...

Page 70: ...Your contact partner Ahlborn Mess und Regelungstechnik GmbH Eichenfeldstra e 1 83607 Holzkirchen GERMANY Tel 49 0 8024 3007 0 Fax 49 0 8024 300710 Internet http www ahlborn com e mail amr ahlborn com...

Page 71: ...Your contact partner We take every possible care but the risk of inaccuracy can never be altogether excluded We reserve the right to make technical changes without advance notice ALMEMO 204 71...

Page 72: ...20 Annex 72 ALMEMO 204...

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