Ahlborn ALMEMO 2290-4 V5 Operating Instructions Manual Download Page 1

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Operating Instructions

Multifunctional

Measuring Instruments

ALMEMO

2290-4

with Option Data Logger

V1.3

04.12.2003

ALMEMO



2290-4

Summary of Contents for ALMEMO 2290-4 V5

Page 1: ...Operating Instructions Multifunctional Measuring Instruments ALMEMO 2290 4 with Option Data Logger V1 3 04 12 2003 ALMEMO 2290 4 1...

Page 2: ...ch On Off Reinitialisation 14 4 CONNECTION OF THE TRANSDUCERS 15 4 1 Transducers 15 4 2 Measuring Inputs and Additional Channels 15 5 DISPLAY AND KEYPAD 16 5 1 Display 16 5 2 Function Selection and Ac...

Page 3: ...mpensation 36 7 2 Single Measuring Point Scan 36 7 3 Cyclic Measuring Point Scan 37 7 3 1 Print Cycle Continuous Measuring Point Scan 37 7 3 2 Time and Date 38 7 4 Data Memory Option S Data Logger 38...

Page 4: ...ystem manual section 5 3 All functions and their control via the interface manual section 6 A complete interface command list with all print outputs manual section 7 These operating instructions only...

Page 5: ...onnected to any ALMEMO measuring instrument and are interchangeable without requiring any settings Function Channels Maximum minimum average values and differences of certain measuring junctions can b...

Page 6: ...ed forwards or backwards via keyboard The selected measuring point can be scanned with a conversion rate of 2 5 or 10 measurements second The measured value is calculated and indicated on the display...

Page 7: ...asuring point scan with a time based process flow control is required to digitally register measuring data of all connected sensors For this purpose a real time clock the print cycle and the measuring...

Page 8: ...ger up to four external output relays and one analogue output Output All measuring and programming data is accessible by means of the LCD display RS232 RS422 RS485 and a Centronics interface are avail...

Page 9: ...Socket Mains Adapter ZB 2290 NA 12V 200mA Cable electr isol ZB 2290 UK 10 30V 5 LCD Display 6 Function Keys 7 Battery Box back of unit Alkaline mangan battery 9V 6F22 Space or spare battery 5 LCD Disp...

Page 10: ...display mode DM range R averaging mode AM cross sectional area CS diameter normalized DN atmospheric pressure mb temperature compensation TC locking mode LM limit value Max Hi LH limit value Min Lo L...

Page 11: ...cycle see 7 3 1 use key M to select the output format in function BAUDRATE BR s 9 2 use key START STOP to start and stop the cyclic measuring point scan s 7 3 6 For storing the measured values only wi...

Page 12: ...tteries The battery box 7 is located at the underside of the instrument 1 Press the area that is marked with the arrow and at the same time pull as marked by the arrow as illustrated left 2 Use the co...

Page 13: ...only partly discharged the full capacity cannot be reached by a normal recharging Therefore use the instrument until the rechargeable battery is almost completely discharged and then completely re cha...

Page 14: ...ed within that period no data will be lost Otherwise a reinitialisation must be performed Reinitialisation If the battery supply has been interrupted or if the device is not functioning properly due t...

Page 15: ...a disconnection caused by pulling the cable Both levers must be pressed on the sides for disconnecting the connector 4 2 Measuring Inputs and Additional Channels The measuring instrument ALMEMO 2290 4...

Page 16: ...ed in socket M0 of the device 5 DISPLAY AND KEYPAD 5 1 Display The display 5 of the instrument ALMEMO 2290 4 consists of an LCD module with six and a half 7 segment digits two 16 segment digits and a...

Page 17: ...bol is illuminated BAT lower than 6 V 1 L o b A t Sensor that are not connected deactivated measuring points cleared programming values Sensor correction or scaling arrow CORR illuminated Measuring po...

Page 18: ...s are selected by repeatedly operating the keys F1 or F2 If the key is pressed for longer than one second it is possible to switch back to the previous function The functions can be identified by a 2...

Page 19: ...r connector programming 8 Device programming 9 All functions After a reinitialisation key CLEAR must be pressed when switching on the function group 1 is selected The selection of another function gro...

Page 20: ...e Flow 1 0834 V Limit Value Max Hi 1 123 0 LH Time 12 34 56 TM Limit Value Min Lo 1 010 0 LL Date 01 12 99 DA Zero Point Correction 1 ZC Start Time 10 00 00 ST Ambient Temperature 1 250 0 AT Start Dat...

Page 21: ...function keys F1 or F2 or The programming is started by long pressing the key The first programmable digit PROGR flashes and can be altered The digit can be increased using the key After exceeding the...

Page 22: ...cted measuring channel i e the measurement is not being interrupted Increase the input channel by programmed channels only M Decrease the input channel by press and hold approx 1 sec M 1s 6 2 Selectin...

Page 23: ...tc type N ZA 9000 FS 30 00 125 00 C Ntc Millivolt 1 ZA 9000 FS 26 000 26 000 mV U 26 Millivolt ZA 9000 FS 10 000 55 000 mV U 55 Millivolt 2 ZA 9000 FS 260 00 260 00 mV U260 Volt ZA 9000 FS 2 6000 2 60...

Page 24: ...0 00 125 00 C P Ht Rel humidity psychr w PC ZA 9000 FS 0 0 100 0 H P RH Mixture ratio w PC ZA 9000 FS 0 0 500 0 g kg P AH Dew point temperatur w PC ZA 9000 FS 25 0 100 0 C P dt Partial vapour pressure...

Page 25: ...tters the characters and spaces _ are available The dimension is indicated by two 16 segment characters that are indicated following the measuring and programming values The change of the dimension ca...

Page 26: ...ed Meas Value Meas Value ZERO POINT x SLOPE Function ZERO POINT CORRECTION ZC Selection with key F2 F2 1 0 0 3 2 ZC Programming Input according to 5 4 Clear with keys long CLEAR PROGR 1 ZC Function SL...

Page 27: ...display Function EXPONENT EX Selection with key FUNCTION Input see 5 4 1 3 EX Example A force transducer with a 2 0000 V output should indicate 1000 0 N The decimal point must via exponent 3 be shifte...

Page 28: ...e protected by the locking mode up to an adjustable locking level Before any programming is performed the locking mode must be correspondingly lowered If a dot is indicated following the locking mode...

Page 29: ...ith the specified conversion rate see man 6 5 4 This is the optimal operating mode for data recording with analogue output 7 1 1 Selecting the Measured Value and Measuring Point After switch on the fu...

Page 30: ...The peak values are cleared if a total clearing see 7 or change of the range see 6 2 is carried out 7 1 4 Smoothing by Sliding Averaging In case of unstable measured values e g when measuring turbulen...

Page 31: ...n ALMEMO connector is connected Function Display No averaging Averaging over Measuring Point Scans Continuous averaging over all measuring point scans C o n t Averaging over all measurements of a prin...

Page 32: ...scan no C in conversion rate 1 Before each measurement the average value must be cleared in the function AVERAGE VALUE by using the keys long CLEAR PROGR 2 In the function MEAS VALUE the single value...

Page 33: ...ional area is reached Alternatively the average flow velocity can be determined by individual net measurements according to VDI VDE 2640 see 7 1 5 and man 3 5 5 e g 13 24 m s Function AVERAGE VALUE AV...

Page 34: ...ument is sufficient see above However if the function BA is activated it can be selected with the key F2 and the base value can be cleared with the keys long CLEAR PROGR Function BASE BA with key Clea...

Page 35: ...ty FY A641 LF 2 77 mS cm FY A641 LF2 147 S cm FY A641 LF3 111 8 mS cm O2 saturation FY A640 O2 101 7 1 8 Atmospheric Pressure Compensation Some measuring variables depend on the environmental atmosphe...

Page 36: ...cans can be used to acquire indicate and in most cases to document data from the selected meas point and also from other meas points If an interface module is connected to socket A1 the functions PRIN...

Page 37: ...1 Print Cycle Continuous Measuring Point Scan For cyclic measuring point scans and outputs the print cycle can be set in function PRINT CYCLE PC For activation of functions please refer to section 5...

Page 38: ...be configured ex factory or subsequently by means of a memory connector with option 2290 4S as a data logger The basic principles for data storage in ALMEMO devices are described in the manual sectio...

Page 39: ...tivated an S will be indicated at the revision output next to the type of data and the data recording can be immediately started After removing the memory connector the internal memory is also availab...

Page 40: ...rammed if the functions are activated see 5 2 If no date has been specified the measurement will be performed every day at the same time The current time of day must be already programmed Function STA...

Page 41: ...ers at least 100 digits e g 0 20mA for 10 0 to 50 0 C To achieve this the analogue output start and the analogue output end of the desired measuring range must be entered within the functions AS and A...

Page 42: ...and When the desired transmission rate has been selected the programming can be terminated by operating the key The baud rate setting will be stored PROGR in the EEPROM of the interface module and wil...

Page 43: ...using interface commands or via an additional trigger cable accessory ZA 1000 ET variant 3 see man 6 10 9 This trigger cable is plugged into socket A2 and the outputs are triggered using the external...

Page 44: ...1 0000 0 1 0000 5 1 MESS 00000 32000 0000 0 1000 0 01 M1 S E2 05 12 0 s man 6 10 1 9 4 Device Address and Networking All ALMEMO instruments can be very easily networked to centrally acquire the measur...

Page 45: ...st or blockage during operation Remedy Check cabling for inadmissible electrical connection Disconnect external power supply and output modules disconnect suspicious sensors and replace them by hand h...

Page 46: ...nd possibly control printouts The software AMR Control allows to print the monitor pages including the programming and also to save the terminal operation and to print it out 11 ELECTROMAGNETIC COMPAT...

Page 47: ...bient air 10 90 rH non condensing Extent of the Delivery Measuring Instrument ALMEMO 2290 4 Operating Instructions ALMEMO 2290 4 ALMEMO Manual incl software AMR Control Product Overview Order No Multi...

Page 48: ...48 ALMEMO 2290 4 Appendix...

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