Ahlborn ALMEMO 2390-5 Operating Instructions Manual Download Page 1

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Operating instructions

Multifunction measuring instrument

ALMEMO

2390-5

with data logger option

V1.3

10.10.2005

ALMEMO



2390-5

Summary of Contents for ALMEMO 2390-5

Page 1: ...Operating instructions Multifunction measuring instrument ALMEMO 2390 5 with data logger option V1 3 10 10 2005 ALMEMO 2390 5 1...

Page 2: ...cers 15 4 2 Measuring inputs and additional channels 15 5 DISPLAY AND KEYPAD 17 5 1 Display 17 5 2 Function selection and activation 19 5 3 Keypad 21 5 4 Data input 22 6 MEASURING OPERATIONS 23 6 1 Me...

Page 3: ...raging over several measuring points 37 6 5 Measured value memory option S 37 6 5 1 Memory connector 37 6 5 2 Measured value recording 38 6 5 3 Measured value output 39 6 5 4 Sleep mode 40 7 SENSOR PR...

Page 4: ...l Chapter 6 Complete list of interface commands with all the printouts Manual Chap 7 The operating instructions you are now reading cover only those features and controls that are specific to this dev...

Page 5: ...hannels Maximum minimum and average values differential measured values volume flow and wet bulb globe temperature WBGT can be programmed as function channels and further processed and printed out jus...

Page 6: ...zero and optionally with measured value correction or scaling With most sensors sensor breakage is detected automatically except for con nectors with shunt dividers or additional electronics Measurin...

Page 7: ...with the date and time of day function or purely in terms of the actual measuring ti me Print cycle The print cycle can be programmed to any value between 00 00 01 1 second and 59 59 59 hh mm ss This...

Page 8: ...Centronics and Ethernet are provided via the appropriate interface cables All data logs saved measured values and programming parameters can be output to any peripheral equipment Measu red data can b...

Page 9: ...ctr isolat ZB 2290 UK 10 30V 5 LCD display see below 6 Function keys see below 7 Battery compartment rear of dev 9 volt alkaline manganese battery 6F22 space for reserve battery 5 LCD display a Symbol...

Page 10: ...le CY Time of day TM Date DA Start time ST Start date SD End time ET End date ED Baud rate output format BR Device adress A Range R Functions are activated by Locking mode LM All functions are activat...

Page 11: ...function BR by pressing keys PROG PROG ESC see Section 6 3 3 Start and stop cyclic measuring point scanning by pressing the START STOP key see Section 6 3 2 6 Saving measured values only possible with...

Page 12: ...is located underneath the device 1 Press on the spot marked with an arrow and at the same time pull in the direction the arrow indicates as shown in the illustrations 2 Connect the battery using one...

Page 13: ...ells that are only partly discharged will not restore them to full capacity For this reason use the device until the rechargeable battery pack is nearly totally discharged and then recharge it complet...

Page 14: ...this reset by pressing key CLEAR when switching ON This has the effect of clearing or resetting to their default values all measured data date time of day and also all internal setting data e g cycles...

Page 15: ...can however if necessary provide up to four channels The additional channels can be used in particular for humidity sensors with four measuring va riables temperature humidity dew point mixture ratio...

Page 16: ...gramming in the sensor itself makes more sense On the measuring instrument this gives the following channel assignment The three analog inputs on the ALMEMO 2390 5 are electrical ly isolated by means...

Page 17: ...ing point function value function 0 2 9 7 M H Double display for temperature and humidity If a double sensor for temperature and humidity is connected at socket M0 the display can be switched to a dou...

Page 18: ...hts up M Measured value recording in progress MEM arrow lights up Measuring point scan with output COM larrow lights up Function selected F arrow lights up If all functions are activated then F arrow...

Page 19: ...essary to have all functions activated for a limited period then the first time you press the FUNCTION key you must hold it down for longer than 1 second To verify that this has succeeded the F arrow...

Page 20: ...Range 1 NiCr R Default Sensor Locking mode 1 0005 LM Default Sensor Maximum limit value Hi 1 123 0 LH Locking mode level 7 Sensor Minimum limit value Lo 1 010 0 LL Locking mode level 7 Sensor Analog...

Page 21: ...the normal function noted above it Function Normal Input Programming PROG Selecting the measured value and the measuring point M CLEAR Start and stop measuring point scanning START STOP Manual measuri...

Page 22: ...y pressing the key If you go below zero you start again at the highest value 9 or 5 To change the arithmetic sign press the ESC key at the first digit or cancel this input with effect from the second...

Page 23: ...ses However the measuring point selected is scanned additionally every second time so that it is always up to date even in cases involving analog output or smoothing etc 6 1 1 Selecting the measured v...

Page 24: ...1 MH As soon as the saved maximum minimum value has been deleted the current measured value appears again immediately The maximum minimum values are also automatically cleared with each start see Cha...

Page 25: ...he new zero point saved more permanently then before zero setting briefly and temporarily lower the locking mode to level 3 by switching on the device with the PROG and FUNCTION keys held down When yo...

Page 26: ...UNCTION keys held down When you switch off the corrected value will then be retained the locking mode however will be restored to its original level In the case of dynamic pressure probes the zero poi...

Page 27: ...n factor is saved as gain correction Function S4 if locking level 3 Correction factor is saved as factor 4 Enter setpoint see Section 5 4 To perform final value adjustment on ALMEMO force transducers...

Page 28: ...sary for sensors of the types mentioned above see Section 5 2 by hol ding down the FUNCTION key the first time it is pressed ATMOSPHERIC PRESSURE function mb Select by key and enter mba s 5 4 FUNCTION...

Page 29: ...1 1 A once only manual measuring point scan for acquiring instantaneous measu red values from all active measuring points can only be initiated in the MEASU RED VALUE function by pressing the MANU PR...

Page 30: ...in a wide variety of output formats see Manual Sections 6 5 5 6 6 1 There is the standard format in which all the measured values are listed one below the other there is also the column format listing...

Page 31: ...RANGE LIM MAX LIM MIN BASE D FACTOR EXP AVG COMMENT 01 Ntc 040 00 C 1 0123 E 0 Temperature 02 o H 0060 0 0020 0 H E 0 Humidity MEAS CYCLE 00 00 00 S0251 9 F0104 7 E W010 PRINT CYCLE 00 10 00 Un 9600...

Page 32: ...ring point from which the sliding average is to be taken The smoothed measured value can then be read out in the MEASURED VALUE function this will also apply for all subsequent evaluation functions Sm...

Page 33: ...the function channels there are now also device internal channels e g M t or Flow on channel M3 with the flow sensor on reference channel M1 The advantage is that when using several sensors for the sa...

Page 34: ...times e g network measurements the averaging mode Cont is used Measured value smoothing can be programmed see Section 6 4 1 1 If the START arrow lights up stop the current meas operation by pressing t...

Page 35: ...Volume flow function channel To show the volume flow data a function channel is required whose reference channel is aligned to the flow measuring point and or to the appropriate aver age value channel...

Page 36: ...he air volume This volume flow is calculated automatically in the functi on channel Flow and displayed as the measured value in m3 h VOLUME FLOW in the function channel Flow Select by M key Display in...

Page 37: ...is lost The EEPROM can be configured either as linear memory or ring memory see Manual Section 6 10 13 2 Memory capacity display If your measuring instrument has the data logger option OA 2390 5S you...

Page 38: ...5 4 Entering the connector number PROG PROG PROG PROG 0 1 1 2 8 5 MF When the memory connector is plugged in the internal data memory is no longer deleted Which memory is used depends on whether at t...

Page 39: ...y and end date are programmed in the same way in the End ti me of day function ET and End DATE function ED see Section 5 4 Other ways of starting and stopping measured value recording i e by means of...

Page 40: ...lasting 15 minutes this represents a useful life of between 100 and 300 days To perform data recording in sleep mode carry out the following steps 1 Enter a cycle lasting at least two minutes s 6 3 2...

Page 41: ...g point by pressing the M key To increment the measuring channel press key applies to programmable channels only To decrement the measuring channel press key and hold down for approx 1 second 7 2 Lock...

Page 42: ...n LH and limit value Min function LL Select by pressing key FUNCTION 1 1 2 3 0 LH Programming Enter as per Sec 5 4 Switch off by keys PROG CLEAR 1 LH 7 4 Correction values Sensors can be corrected by...

Page 43: ...output 2 0000 V should indicate 1000 0 N The decimal point must be shifted three positions to the right by me ans of exponent 3 From the new actual values 0 0 N and 2000 0 N it is now easy to calcula...

Page 44: ...old junction compensation is disabled The units measuring operations per second are displayed as m s the units cubic meters per hour are displayed as m3 h 7 7 Selecting the measuring range If you want...

Page 45: ...FS 200 0 600 0 C CUCO Cu CuNi T ITS90 ZA 9000 FS 200 0 400 0 C CoCo PtRh10 Pt S ITS90 ZA 9000 FS 0 0 1760 0 C Pt10 PtRh13 Pt R ITS90 ZA 9000 FS 0 0 1760 0 C Pt13 PtRh30 PtRh6 B ITS90 ZA 9000 FS 400 0...

Page 46: ...2 SSS 0 50 20 00 m s L920 Rel air humidity capacitive FH A646 x 0 0 100 0 H orH Rel air humidity capacitive TC FH A646 Cx 0 0 100 0 H HcrH Rel air humidity capacitive TC FH A646 R 0 0 100 0 H H rH Mix...

Page 47: ...70 0 C R417 Temp for Refrigerant R507 FDA602Lx 70 0 70 0 C R507 TC Temp compensation PC pressure compensation Mb1 Mb2 Reference channels only via special connectors with internal characteristic other...

Page 48: ...current resistance or frequency set by the user 3 Multi point calibration of all sensors The ALMEMO 2890 9 can as standard evaluate all appropriately programmed connectors With the special KL variant...

Page 49: ...Enter as per Sec 5 4 Analog output end function AE Select by the FUNCTION key Enter as per Sec 5 4 Example Measuring range 10 0 to 50 0 C These two parameters analog output start and analog output end...

Page 50: ...date in the 6 character format dd mm yy see Section 5 4 e g date 1st May 2003 The date can be cleared by pressing the keys PROG CLEAR 0 1 0 1 0 0 DA 9 2 Baud rate data format Via the serial interface...

Page 51: ...apart see Manual Section 5 3 To communicate with networked devices it is absolutely indispensable that each device should have its own dedicated address this is because only one device should respond...

Page 52: ...g measured values or segment test or the system hangs in mid operation Remedy Check the cabling for any inadmissible electrical connections dis connect the external power supply and the output modules...

Page 53: ...kirchen accompanied by an explanatory note error descripti on and if available test printouts With the AMR Control software you can save and or print out the relevant screen displays with programming...

Page 54: ...0 to 6000 measured values Microprocessor M16C62 Power supply 7 to 13 V DC not electrically isolated Mains adapter ZB 2290 NA 230 V AC to 12 V DC 200 mA electrically isolated Adapter cable electr isol...

Page 55: ...connector with 256 KB EEPROM approx 50000 measured values ZA 1904 SS8 V24 reader for reading from the memory connectors ZA 1409 SLG0 Mains adapter 12 V DC 200 mA ZB 2290 NA DC adapter cable 10 to 30...

Page 56: ...TRANSDUCERS 4 15 Contact partners 58 Continuous measuring point scan 6 23 Control characters 5 1 18 Correction of measured values 6 2 24 Correction values 7 4 42 Cross section 6 4 5 35 Cycle 6 3 2 29...

Page 57: ...Mains operation 3 2 13 Maximum and minimum value memories 06 01 03 24 Measured value data memory 6 5 37 Measured value output 6 5 3 39 Measured value recording 6 5 2 38 Measured value recording end da...

Page 58: ...the measuring point 6 1 1 23 Selecting the measuring range 7 7 44 Sensor adjustment 6 2 2 25 SENSOR PROGRAMMING 7 41 Sensor supply voltage 3 4 14 Service address 58 Setpoint entry 6 2 3 26 Setting th...

Page 59: ...Your contact partners ALMEMO 2390 5 59 Appendix...

Page 60: ...60 ALMEMO 2390 5 Appendix...

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