Ahlborn ALMEMO 2690-8A Operating Instructions Manual Download Page 82

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14. Appendix

14.2

Product overview

Data logger

ALMEMO 2690-8A

Order No.

5 inputs, max. 24 channels, 2 outputs, cascadable interface,
9 keys, LCD graphics display, real time clock, 1MB

EEPROM

memory

Battery charger and atmospheric pressure sensor integrated

MA 2690-8A

Options

A/D converter, electrically isolated

OA 2690-GT

Measuring rate to 500 mops only possible for 1 measuring point

SA0000-Q5

Measuring ranges for temperature display of 8 refrigerants

SB 0000-R

Linearization

multi-point

calibration

sensors,

calibration data management,

OA 2690-KL

Accessories

Memory connector including SD card, minimum 128 MB (RS)

ZA1904-SD

Mains adapter with ALMEMO connector 12V, 1,5 A

ZA1312-NAx

Accumulator set with 3 NiMH-Mignon cells 1600 mAh coded and
DC Adapter cable 10 to 30V DC, 12V/1.25A electr. isolated

ZA 2690-UK2

ALMEMO

Recording cable -1,25 to 2,00 V

ZA 1601-RK

ALMEMO

Data cable USB Interface, electr. isolated, max. 115.2kB

ZA 1909-DKU

ALMEMO

Data cable USB Interface, with power supply, 5V, 400mA

ZA1919DKU5

ALMEMO

Data cable V24 Interface, electr. isolated, max. 115.2kB

ZA 1909-DK5

ALMEMO

Network cable, electr. isolated, max. 115.2kB

ZA 1999-NK5

ALMEMO

I/O cable for triggering and limit value alarm

ZA 1000-EGK

ALMEMO

-V6-Relay-Trigger-Analogadapter (4 Relays, 2 Triggerinputs) ZA8006-RTA3

Summary of Contents for ALMEMO 2690-8A

Page 1: ...____________________________ Operating Instructions Data Logger ALMEMO 2690 8A V4 7 20 10 2021 www ahlborn com...

Page 2: ...DKU5 5V 0 4A DC Cable isolat ZA2690 UKx 10 30V 4 Sleep LED 5 LCD display Status line C Cont measuring point scan ll Measurement Start Stop REC Memory record COM Output of meas values l l Meas start en...

Page 3: ...asurement 14 5 1 3 Process flow control 15 6 Initial Operation 17 7 Power supply 18 7 1 Rechargeable battery operation voltage monitoring 18 7 2 Battery operating mode 18 7 3 Mains operation 19 7 4 Ex...

Page 4: ...nction Compensation 33 10 3 Measuring point scans and Output 34 10 3 1 Single Output Storage of all Measuring Points 34 10 3 2 Cyclic Output Storage of all Measuring Points 34 10 3 3 Memory space Memo...

Page 5: ...50 11 1 2 Cycle with Storage Activation and Output Format 50 11 1 3 Conversion Rate Continuous Measuring Point Scan 51 11 1 4 Time and Date of Start Time and Date of End 52 11 2 Data Memory 53 11 2 1...

Page 6: ...annel 1 69 11 4 7 Reference Channel 2 or Multiplexer 69 11 4 8 Element Flags 69 11 5 Device Configuration 70 11 5 1 Device Designation 70 11 5 2 Device Address and Networking 70 11 5 3 Baud Rate Data...

Page 7: ...2 Table of Contents 7 14 1 Technical Data 81 14 2 Product overview 82 14 3 Index 83 Your contact 88...

Page 8: ...chapter 12 Troubleshooting Should there actually be a defect please use the original packing material for depatch if possible and enclose an expressive description of the trouble in connection with th...

Page 9: ...oard boxes protective plastic packaging materials and all preservative substances separately and in the proper manner The disposal of the device itself also of device parts accessories and con sumable...

Page 10: ...junction 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 inju...

Page 11: ...heir own 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...

Page 12: ...s Centronics manual section 5 2 The entire ALMEMO networking system manual section 5 3 All functions and their control via the interface manual section 6 A complete interface command list with all pri...

Page 13: ...o any ALMEMO meas uring instrument and are interchangeable without requiring any settings Function Channels Maximum minimum average values and differences of certain measuring junc tions can be progra...

Page 14: ...a measuring rate of 10 mops and the data thus obtained is listed on the display However if you want to have the measured values for the se lected channel sent to an analog output it may be an advanta...

Page 15: ...gnal the real time clock or an exceeding of limit values Time and Date The real time clock with data function or the pure measuring time are used for an accurate recording of any measurement Start and...

Page 16: ...hem are soft keys can be used to operate the device This also allows you to fully program the sensors the device and the process control Output All data logs menu functions and stored measured values...

Page 17: ...ingle output storage s 10 3 1 MANU or F2 Cyclic measurement Select Cycle Timer PROG Enter cycle hh mm ss s 9 5 Cycle Timer 00 05 00Sn Output format list columns n table t FORM or F3 Stop programming E...

Page 18: ...ity drops to approx 10 the battery symbol in the status bar of the display will start to flash As and when this happens you should connect mains adapter ZB 1112 NA7 12 V 1 A and re charge the batterie...

Page 19: ...supply voltage requirements of the sensors to 6 V 200 mA 9 V 150 mA or 12 V 100 mA s 11 4 2 see also the power supply menu 11 7 Other voltages 12 15 or 24 volts or references for a potentiometer and s...

Page 20: ...M of the sensor connector the calibration and the programmed parameter of the device is fail safe stored in the EEPROM of the device Time and date are buffered by a lithium battery so that storage of...

Page 21: ...has 5 input sockets 1 that the measuring channels M0 to M4 are initially allocated to However ALMEMO sensors can if required provide up to 4 channels so that 20 channels are avail able with 5 input s...

Page 22: ...flow any compensation currents between sensors power supply and peripherals This is the case when all measuring points are on the same potential or when unequal potentials are electrically isolated T...

Page 23: ...a a USB data supply cable ZA1919 DKU5 or a simple ALMEMO supply connector ZA1000 FSV It will also be possible via a non electrically isolated analog output cable to perform measuring operations at poi...

Page 24: ...the selected menu with key or PROG Back to the last meas menu using the key once Back to the last programming menu using the key again Back to the menu selection with key ESC The device designation i...

Page 25: ...ted ll or Measuring point scan started including storing REC Measuring point scan started incl output via interface COM Start end time of measurement is programmed l or l Relay status external output...

Page 26: ...ue Clearing the programmed values CLR For programming press the key PROG Then you are in the input mode P in the middle of the softkey line the cursor flashes below the first cursor position Cycle Tim...

Page 27: ...ion MEASURING Menus and differ in the number of measuring points 1 to 20 in the dis play of measured values in different sizes of the digits 4 8 12 mm or as bar or line chart and in the arrangement of...

Page 28: ...ime be determined and stored from the acquired measured values of each measuring point The functions listed below are available to display these values function channels are available put them out s 1...

Page 29: ...tions or at certain times in order to check the deviation from this reference value After selecting the func tion Meas Value s 9 4 in any menu a help window shows you all possibilities of correction o...

Page 30: ...base value In the case of dynamic pressure probes the zero point error is al ways written temporarily i e until you switch off to the calibration off set even if the channel is locked 10 2 3 Sensor A...

Page 31: ...o point adjustment is also possible for other sensors Additionally to the zero point adjustment 10 2 2 the slope can be corrected with a second measuring point using the function Setpoint Press ing a...

Page 32: ...3 2 10 2 6 Atmospheric Pressure Compensation Some measuring variables depend on the environmental atmospheric pressure s 11 3 9 measuring range list w PC As a result higher deviations from the normal...

Page 33: ...arately for each socket As and when necessary the cold junc tion temperatures can be displayed and recorded via function channel CJ see 11 3 10 These can also be used as device temperature This cold j...

Page 34: ...ed again after this the measured values are equally processed with the corresponding measuring time 10 3 2 Cyclic Output Storage of all Measuring Points For cyclic outputs of measured values s man 6 5...

Page 35: ...y monitor the available memory space By selecting this function two soft keys are available for a direct output and clearing of the memory The output format corresponds to the setting in the cycle s 1...

Page 36: ...ser leaves the menu in this case do not change the meas point Limits if activated are entered as dotted lines The functions Analog Start and Analog End of the menu Special functions s 11 4 4 can be us...

Page 37: ...can call up an own assistant menu for all modes to put in the necessary parameters and to learn the operation by help windows Measuring menu Average Value However most of the averaging functions can a...

Page 38: ...ont 10 4 2 Averaging Mode A detailed description of averaging over measuring point scans is given in the manual section 6 7 4 The type of averaging is determined through the func tion Averaging Mode W...

Page 39: ...2640 measurements are to be carried out in a net of individual points in a cross section which is placed vertically with respect to the flow direction s man 3 5 5 A special menu for net measurements...

Page 40: ...average val on start s 11 5 8 Check or after selecting the average value by using CLR Starting the averaging using the key START Reading the meas time s 10 4 6 in function Meas Time 00 01 23 40 Stoppi...

Page 41: ...n at 0 All the normal start stop functions can be used in addition the start stop output and zero setting of the timer can also be triggered by actions in the event of limit values being exceeded see...

Page 42: ...ailable s 11 3 9 If you do not wish to program reference channels and the measuring points to be averaged begin with M0 you need simply to program the function chan nel M n to the 2nd channel of the l...

Page 43: ...he average flow velocity can also be determined by single net measurements according to VDI VDE 2640 s 10 4 4 e g 13 24 m s To display output and or save the number of measuring operations a special f...

Page 44: ...art the functions Analog start and Analog end in the Special functions menu should be used see 11 4 4 Having selected these functions they can be entered by pressing PROG and or directly on the approp...

Page 45: ...ing comment MeasValList Comment 00 23 12 C Temperature Measured value including maximum value MeasValList Max value 00 23 12 C 32 67 C Measured value including minimum value MeasValList Min value 00 2...

Page 46: ...art measuring by means of START Stop measuring by means of STOP 10 6 2 Wet Bulb Globe Temperature The stress caused in heat exposed work places can be evaluated in terms of their wet bulb globe temper...

Page 47: ...rature ZERO ADJ o 15 Meas value medium 3 lines 00 1234 5 C ZERO ADJ o 16 Meas value large 7 lines 00 Temperature C 1234 5 ZERO ADJ o 17 Meas value bar chart 2 lines 5 0 S220 mls 15 00 o 34 Limit value...

Page 48: ...int s 10 2 4 Setpoint 1100 0 C OFF ADJ o 45 Meas time s 10 4 6 Meas Time 00 00 00 00 CLR o 46 Meas Duration s 10 4 6 Meas duration 00 00 00 CLR o 47 End of menu o 99 10 7 2 Configuration of the menus...

Page 49: ...Factor FACTOR 01 1 0350E 1 P07 Zero Point Correction ZERO CORR 01 0000 7 C f1 P06 Slope Correction SLOPE CORR 01 1 0013 f1 P07 Analog Start ANALOG START 01 0000 0 C P16 Analog End ANALOG END 01 0100 0...

Page 50: ...fied format in the first line on the left side and the date on the right side s 9 5 Function Time and Date Time 12 34 56 Date 01 05 00 Format of time and date hh mm ss dd mm yy 11 1 2 Cycle with Stora...

Page 51: ...n are displayed next to the cycle Cycle 00 15 00 Sn 11 1 3 Conversion Rate Continuous Measuring Point Scan If required for measuring point scans the conversion rate can in function Conv rate be increa...

Page 52: ...adversely affected by interference over the connection lines wherever possible use twisted wires At 100 or 500mops saving to memory is only possible with the micro SD card but not with the internal EE...

Page 53: ...he external memory is connected at the start of any measuring operation it will be used In the course of the measuring operation it must not be unplugged this would cause temporarily buffered measured...

Page 54: ...Available free memory space Memory free 217 5 kB Linear memory without overwriting of data Ring memory Activate ring memory with overwriting of data ON Nb of act channels to calculate the storing time...

Page 55: ...11 1 4 the limit value responses in section 11 4 3 and the varieties of relais and trigger in section 11 6 2 11 2 5 Scanning mode For autonomous operation and or for scanning by computer there are 4...

Page 56: ...omputer Internal cyclic scanning is not influenced in any way by software scanning in Win Control safe initialization must be switched off The internal cycle is started as and when the software starts...

Page 57: ...ion Number select number with keys FIRST NEXT LAST To select a time interval Enter the start time using the format hh mm ss Start time 07 00 00 Enter the end time using the format hh mm ss End time 17...

Page 58: ...locking mode allows the rest appears in grey Output of the sensor programming of all active measuring points command P15 s man 6 2 3 with key PRINT 11 3 1 Selecting the Input Channel To query or to p...

Page 59: ...nce for atmospheric pressure compensation N This activates conversion to standard conditions for flow measuring s 10 4 9 The remaining 8 characters can be used for the user s own descriptions at the e...

Page 60: ...riable it is in most cases necessary to set a zero point shift and to perform a multiplication with a certain factor The functions BASE and FACTOR are avail able for this A detailed description of the...

Page 61: ...re value in degree Celsius will be converted into degrees Fahrenheit The cold junction compensation can be switched off by using the characters C The following dimensions are automatically generated e...

Page 62: ...EL18 Au FeCr ZA 9000 FS 270 0 60 0 C AuFe W5Re W26Re C ZA 9000 SSC 0 0 2320 0 C WR26 Ntc Type N ZA 9000 FS 30 00 125 00 C Ntc Ntc Typ N ZA 9040 SS3 0 000 45 000 C Ntc3 Ptc Typ Kty84 ZA 9040 SS4 0 0 20...

Page 63: ...O2 Saturation with TC a PC FY A640 O2 0 260 O2 S O2 Concentration with TC FY A640 O2 0 40 0 mg l O2 C Function channels s 11 3 10 Mixture ratio wth PC FH A646 0 0 500 0 g kg H AH Dew point temperature...

Page 64: ...nder the sub heading Function channels there is a group for representing function pa rameters in measured value processing or calculated results from linking certain measured values on measuring chann...

Page 65: ...nse 11 3 11 Special meas ranges linearization cali bration Thanks to the new ALMEMO special connectors with extra memory for addi tional data larger EEPROM code E4 the following tasks can now for the...

Page 66: ...corresponding measuring point will only be put out once in ten times however if 00 is programmed it will not be output The data recording also allows to suppress unnecessary measured values and as a r...

Page 67: ...ode also has to be set as variant 2 in the output module s 11 6 2 man 6 10 9 Output socket A2 Setting the relay module to variant 2 EA Trigger Alarm relay int allocated 2 Rx int allocated Activating r...

Page 68: ...programm all param eters of an analog output 11 4 5 Output Function If not the real measured value the measuring point Mxx but only the Max Min Average or Alarm value is required then this function c...

Page 69: ...after Reference channel 1 In all other cases it is possible to change the pin assignment in the connector by changing the input multiplexer with the function Multiplexer s manual 6 10 2 Programming o...

Page 70: ...networked to centrally acquire the measured values of several instruments that are located at different places see manual 5 3 For communicating with networked devices it is mandatory that all devices...

Page 71: ...the display can be switched on or off in 3 levels in the selection menus by using the key ON or in the function Lighting of the device configuration attention the power consumption is fife times highe...

Page 72: ...ction temperature socket temperature CJ Temperature 25 4 C 11 6 Output Modules The data logger ALMEMO 2690 8 has two output sockets A1 and A2 to allow an output of the measured values as analog or dig...

Page 73: ...rigger analog adapter ZA 8006 RTA3 offers up to 10 relays or options with 2 of these as trigger inputs or up to 4 as analog outputs All elements can be configured individually for these functional var...

Page 74: ...rmits manual activation of the relays via the keypad or via the interface see Manual 6 10 10 Relay variant 8 8 Driven externally For manual activation of relays press ON or OFF The watchdog setting fo...

Page 75: ...ut in variant 0 In this mode the semi continuous measuring rate see 11 1 3 is the most suitable because in this way the analog output will be processed most frequently Assigning an analog output to a...

Page 76: ...ime using a mains adapter 12V minimum 1 5A irrespective of their current charge status Using mains adapter ZA 1312 NAx 1 5 A charging 2000 mA batteries lasts up to 3 hours higher capacities will take...

Page 77: ...from memory 3 recording to memory and output from memory 4 wizard menus 5 measuring menus except user menu U1 Fct Locking the functions and keys 0 none 1 data input switching on and off PROG ON OFF Z...

Page 78: ...ent influences from disturbances by shielding or twisting Error Data transmission via interface does not function Remedy Check interface module connections and setting Are both de vices set to the sam...

Page 79: ...ssibly control printouts Additionally the software ALMEMO Control al lows to print the monitor pages including the programming and also to save an extensive function test in the device list or the ter...

Page 80: ...80 13 DECLARATION OF CONFORMITY...

Page 81: ...time clock buffered with Lithium battery Microprocessor M16C62P Power supply Internal with recharg batteries 3 rech batteries AA Eneloop type low self discharge LSD NiMH 2 Ah Integrated battery charg...

Page 82: ...OA 2690 KL Accessories Memory connector including SD card minimum 128 MB RS ZA1904 SD Mains adapter with ALMEMO connector 12V 1 5 A ZA1312 NAx Accumulator set with 3 NiMH Mignon cells 1600 mAh coded...

Page 83: ...nnection of the Transducers 21 Continuous Measuring Point Scan 51 Contrast 71 Control Symbols 25 Conversion Rate 51 Correction of the Meas Value 29 Correction Values 61 Current output 75 Cycles 50 Cyc...

Page 84: ...ctor 66 Process flow control 15 Product overview 81 Programmed analog value output 75 Programming Menus 24 50 Rechargeable battery 18 Reference Channel 1 69 Reference Channel 2 69 Reinitialisation 19...

Page 85: ...uts 74 Trigger modules 73 Troubleshooting 78 Two point Adjustment 31 U Sensor Min 66 User Menus 47 Volume Flow Measurement 43 Waste disposal 9 Wet Bulb Globe Temperature 46 Zero Point Adjustment 30 Ze...

Page 86: ...Notes 86...

Page 87: ...Notes 87...

Page 88: ...Mess und Regelungstechnik GmbH Eichenfeldstra e 1 83607 Holzkirchen Germany internet http www ahlborn com e mail amr ahlborn com Despite great care incorrect information cannot be ruled out Technical...

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