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13. Sensor programming

Measuring inputs B+ and A-, GND-referred

1 Multiplexer: B-A

Measuring inputs C+ and A-, GND-referred

1 Multiplexer: C-A

Measuring inputs D+ and A-, GND-referred

1 Multiplexer: D-A

Differential measuring inputs C+ and B-

1 Multiplexer: C-B

Differential measuring inputs D+ and B-

1 Multiplexer: D-B

13.12.8

Element flags

Element flags can be activated per measuring channel to implement additional

functions specific to each sensor (see Manual 6.10.3).
1. 1/10 measuring current for Pt1000, 5000



3. Measuring bridge with switch for end-value simulation

4. Measuring channel, cyclic evaluation only

7. Disable sensor breakage detection

8. Analog output 4-20 mA instead of 0-20 mA

On the ALMEMO 2590A element flags 2, 5, 6 have no function.

Function Element flags :

Element flags: 87654321

To program element flags :

PROG

Element flags:

To select element flags :

►

and

◄

To enable / disable element flags :

▲

and

▼

8-------

Содержание ALMEMO 2590-2A

Страница 1: ...____________________________ Operating instructions Universal measuring instruments and data loggers ALMEMO 2590 2A 4AS V3 4 21 10 2021 www ahlborn com...

Страница 2: ...gger input ZA 1000 ET EK Relay outputs ZA 1006 EKG Analog output 2 ZA 1601 RK 3 Socket DC 12V Mains adapter ZA1312 NAx 12V minimum 1A Cable electr isolated ZA 2690 UK 10 30V 4 Sleep LED 5 LCD graphics...

Страница 3: ...ol 14 6 Initial commissioning 16 7 Power supply 17 7 1 Battery operation and supply voltage monitoring 17 7 2 Mains operation 17 7 3 External DC voltage supply 17 7 4 Sensor supply 17 7 5 Switching ON...

Страница 4: ...mpensation 31 11 3 Differential measurement 31 11 4 Measuring points list 31 11 5 User measuring menu U1 data logger 32 11 6 User menus 33 11 6 1 Functions 34 11 6 2 Menu configuration 35 12 Function...

Страница 5: ...gnation 53 13 3 Averaging mode 54 13 4 Locking the sensor programming 54 13 5 Limit values 54 13 6 Scaling Decimal point setting 55 13 7 Correction values 55 13 8 Changing the units 56 13 9 Selecting...

Страница 6: ...14 6 Atmospheric pressure compensation and temperature compensation 66 14 7 Hysteresis 67 14 8 Operating parameters 67 15 Output modules 68 15 1 Data cables 68 15 2 Relay trigger modules 68 15 3 Analo...

Страница 7: ...sory notes in Chapter 16 Trouble shooting In the unlikely event that the device proves defective and you need to return it please wherever pos sible use the original packaging material for dispatch an...

Страница 8: ...board 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 sumabl...

Страница 9: ...se 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 injury caused by dangerously high voltage Such risk...

Страница 10: ...ically iso lated from one another 4 2 Handling batteries rechargeable batteries cor rectly When inserting batteries rechargeable batteries ensure that these are correctly polarized If the device will...

Страница 11: ...and their operation via the interface Manual Ch 6 Complete list of interface commands with all the printouts Manual Ch 7 The operating instructions you are now reading cover only those features and c...

Страница 12: ...out like normal measuring points There are also function channels available for special measuring tasks e g to determine the tempera ture coefficient Q T and wet bulb globe temperature Units The 2 cha...

Страница 13: ...e are many measuring points the meas uring rate can be set to continuous and increased accordingly Measured values The measured values can be indicated on the display using a variety of menus some use...

Страница 14: ...f day All measuring operations can be accurately logged using the real time clock with date function or in terms of the pure measuring time For the purposes of starting stopping a measuring operation...

Страница 15: ...and format the layout in a style suited to your appli cation Six keys four of them softkeys can be used to operate the device This system also allows you to fully program the sensors the device and t...

Страница 16: ...st FCT To select the functions menu see 9 4 press key s F To call up the menu press key s or PROG e g Functions menu Data logger functions only possible if storage medium available Once only saving se...

Страница 17: ...dy acquired and the time of day will be retained see 7 6 To replace old batteries first unscrew the battery compartment cover 7 on the rear of the device 7 2 Mains operation To power the device from a...

Страница 18: ...er menus process control etc to the factory default set tings press F2 when switching on In so doing many parameters will be lost or be restored to their defaults Date Time of day Language German Illu...

Страница 19: ...as options For this purpose a number of new sensors are now available with spray coated ALMEMO connectors incorporating a double sealing lip spe cially designed to protect the socket unit against the...

Страница 20: ...can be exchanged without losing the function channels However if the whole application operates with just one sensor then programming on the sensor itself makes more sense This depending on device ty...

Страница 21: ...olts between B C D A and The power supply is isolated by the transformer in the mains adapter or by a DC DC converter in connecting cable ZA2690 UK Data and trigger cables are equipped with optocouple...

Страница 22: ...key s or To call up the selected menu press key s or PROG To view the most important device information INFO 9 2 Measured value display and status symbols The Sensor display menu will show the select...

Страница 23: ...and the cursor keys operate may differ in each menu The function is indicated as an abbre viation in the bottom line of the display softkeys In the instructions and documentation these soft key abbre...

Страница 24: ...lear maximum value and minimum value CLR Clear memory CMEM Set parameter directly SET Cancel function ESC 9 5 Data input When a programmable parameter is selected see 9 4 you can clear or repro gram t...

Страница 25: ...ad locking In order to protect all the settings for a measuring operation against unauthor ized tampering it is possible not only to lock the sensor itself see 13 4 but also to restrict access to the...

Страница 26: ...n see 14 7 P Output modules see 15 if available To obtain the most important device data press key s INFO Here if you have any questions you can find the exact device type together with its firmware v...

Страница 27: ...are provided via function menus see 12 Symbol M in the middle of the row of softkeys indicates that the measuring point can be selected by pressing keys and 11 1 1 Selecting a measuring point By press...

Страница 28: ...other cases the symbol appears If you prefer to disable the zero set function completely the channel in question must be locked at level 6 11 2 2 Sensor adjustment for dynamic pressure probes Dynamic...

Страница 29: ...in 0 1689 3 Setting up a means of calibration for the slope To select the measured value function press key s PROG Measured value shows e g 00 04 45 pH To initiate gain adjustment press key s ADJ Cont...

Страница 30: ...3 9 Measuring range list with PC may in the event of large deviations from normal pressure 1013 mbar involve certain measuring errors e g Error per 100 mbar Compensation range Rel humidity psychromete...

Страница 31: ...own inte grated temperature sensor ZA 9400 FSx for cold junction compensation These can be used for all thermocouple types however they require 2 measur ing channels Having J programmed in the first t...

Страница 32: ...gger User menu U1 can be freely configured by the user using the ALMEMO Control software see 11 6 A data logger menu is provided as standard This menu can be used either on its own or just like any me...

Страница 33: ...should be used see 13 12 3 Having selected these functions they can be entered by pressing key s PROG and or they can be entered directly on the appropriate axis see 9 5 11 6 User menus Despite these...

Страница 34: ...Average value CLR CLRA o 11 Cycle see 12 5 8 1 Cycle 00 00 00 Un CLR FORM o 12 Date time of day see 12 5 3 Time 12 34 56 Date 01 02 00 CLR o 14 Averaging mode Averaging mode CONT CLR o 18 Measuring ra...

Страница 35: ...a data cable to your PC and start the ALMEMO Control software Click once with the mouse on Search the network You then reach Device list Select the device and press Program the user menus Choose the...

Страница 36: ...tion Min and Max Min 25 37 Max 31 34 To clear select the function see 9 4 Min 25 37 Max 31 34 To clear maximum minimum and average values for all channels press CLRA As soon as you clear the memory th...

Страница 37: ...nclude measured value smoothing for the selected channel with a sliding averaging window averaging over individual measuring operations selected by place or time averaging over time over cycles or ove...

Страница 38: ...nnel M t must be activated on channel M32 33 34 see 8 2 This will stop any data logger recording currently running this will subsequently have to be reinitialized 12 2 2 Averaging over individual manu...

Страница 39: ...an be read out meas duration 00 01 23 40 U To set memory activation output format MON MOFF FORM To start averaging press START Verification To stop averaging press STOP Alternatively Enter a certain a...

Страница 40: ...canning is continuous see 12 5 8 4 Average value M n from M01 Bk2 to M03 Bk1 12 2 6 Volume flow measurement To determine volume flow VF in flow channels the average flow velocity must be v multiplied...

Страница 41: ...ed for flow sensors m s is provided In the 1st menu the channel data and a measuring point designation are en tered If a memory connector with SD card is available channel data already acquired select...

Страница 42: ...alized yes meas temperature C 14 0 Air pressure mbar 922 Standard temp C 20 Standard velocity m s 24 7 Standard flow m3 h 1776 ALMEMO Flow array measuring Meas device 2590 4S VN Serial no H10120757 Ca...

Страница 43: ...g in an Excel spreadsheet 12 3 Two point adjustment with setpoint entry For universal error correction at any 2 points the function menu two point adjustment is provided If the actual values at 2 poin...

Страница 44: ...int adjustment Sensors which are adjusted via the factor e g force transducers and displace ment transducers can also be adjusted online as described previously in 12 3 Simulate select and enter 1st s...

Страница 45: ...connector in table mode and in standard FAT16 format The SD card can be formatted and its contents can be read and deleted via any normal PC using any card reader Measured data can be imported into MS...

Страница 46: ...ime of day and date hh mm ss dd mm yy 12 5 4 Once only output saving of all measuring points Once only manual measuring point scans for acquiring the current measured values from all active measuring...

Страница 47: ...measuring operations or series of measuring operations these can be individually numbered before starting This number is output or saved when the next measuring point scan starts In this way individua...

Страница 48: ...and displays in KB the amount still to be output Remaining amount of memory to be output Remaining output 12 5 KB 12 5 8 Scanning configuration In the following menu reached by pressing F the general...

Страница 49: ...le lasting at least 2 minutes Cycle 00 05 00 S 2 Activate saving in this cycle Saving to memory Mode Normal 3 Select scan mode Saving to memory Mode Normal 4 Sleep mode program see 9 5 5 In the menu D...

Страница 50: ...xt to one another this provides a clear easy to under stand and space saving printout The Table format is suitable for further pro cessing using a spreadsheet program see print layouts Manual 6 1 Outp...

Страница 51: ...internal memory can continue recording infi nitely so long as in the next menu see 12 5 9 the parameter Ring memory is activated In this mode as soon as the memory is full the oldest data is simply o...

Страница 52: ...tion format hh mm ss Start time 07 00 00 End time function format hh mm ss End time Start date function format dd mm yy Start date 01 05 07 End date function format dd mm yy End date Measuring time si...

Страница 53: ...ssing or Only sensors actually connected and channels actually activated can be processed To activate new channels first press the key MALL to select all channels Then press MACT to reduce this select...

Страница 54: ...l Section 6 7 4 Function No averaging Averaging mode Averaging start to stop or over individual measuring operations CONT Averaging over all scans in a cycle CYCL Setting the averaging mode see 9 5 Av...

Страница 55: ...ly always necessary to perform a zero point shift and multiplication by a factor To perform these steps the functions BASE and FACTOR are pro vided For a detailed description of scaling with an exampl...

Страница 56: ...the following units are generated automatically for mls enter ms for m3lh enter mh for Wlm 2 enter Wm and for glk enter gk 13 9 Selecting the measuring range If you want to program the connectors your...

Страница 57: ...pe N ZA 9000 FS 30 00 125 00 C NTC NTC type N ZA 9040 SS3 0 000 45 000 C NTC3 PTC type Kty84 ZA 9040 SS4 0 0 200 0 C KTY Millivolt 1 ZA 9000 FS 26 000 26 000 mV mV 1 Millivolt ZA 9000 FS 10 000 55 000...

Страница 58: ...with PC FH A646 0 0 400 0 kJ kg H En Rel humidity psychrometric with PC FN A846 0 0 100 0 H P RH Mixture ratio with PC FN A846 0 0 500 0 g kg P AH Dew point temperature with PC FN A846 25 0 100 0 C P...

Страница 59: ...ocessing or for calculated results obtained by linking certain measured values on measuring channels see Manual 6 3 4 Reference to the actual measuring channels is provided by one or two reference cha...

Страница 60: ...ee 13 9 2 Linearization of signals for voltage current resistance or frequency set by the user 3 Multi point calibration of all sensors The ALMEMO 2590A as standard can evaluate all appropriately prog...

Страница 61: ...ses both limit values for all a device s measuring points see 13 5 i e if at any measuring point just one limit value is exceeded this will trigger any appropriately programmed relay connected via an...

Страница 62: ...pped to the analog range 2 V 10 V 20 mA or for the display with 100 pixels Program the analog output start 6 Analog start 0 0 C Program the analog output end 6 Analog end 100 0 C These two parameters...

Страница 63: ...function Alrm 13 12 6 Reference channel 1 The calculating functions of the function channels usually refer to one or two particular measuring channel s see 13 10 Manual 6 3 4 When programming a funct...

Страница 64: ...be activated per measuring channel to implement additional functions specific to each sensor see Manual 6 10 3 1 1 10 measuring current for Pt1000 5000 3 Measuring bridge with switch for end value si...

Страница 65: ...nation Ahlborn Holzkirchen 14 2 Language The user can choose between German English French as the language for function labeling other languages are available on request The softkeys are international...

Страница 66: ...rocedure see 9 5 14 5 Baud rate Data format On leaving the factory the baud rate for all interface modules is programmed to 9600 baud In order to avoid unnecessary problems when networking several dev...

Страница 67: ...rtain operating parameters can be configured by the user as software options in the function see Manual 6 10 13 2 Change mains frequency noise suppression from 50Hz to 60Hz Configuration F To delete a...

Страница 68: ...s used for net working a further device this must be connected to socket A2 In the menu under the socket concerned the following information is displayed Socket A1 DK Data cable Variant 0 Serial stand...

Страница 69: ...nt of relays to cer tain limit values see 13 12 2 For the purposes of detecting power failure it is an advantage if relays are driven on an inverted basis without current an alarm status applies autom...

Страница 70: ...output controlled by the device e g recording cable ZA1601 RK see Manual 5 1 1 To select the socket press P or The following output modes can be programmed as variants 0 Measured value of selected me...

Страница 71: ...he appropriate units Analog value 08 345 V Programmed analog value output see Manual 6 10 7 If the analog value is to be controlled individually either manually or via the in terface then variant 8 Dr...

Страница 72: ...rs in air or phantoms for thermocouples short circuit AB for PT100 sensors use 100 and check Then connect the sensors again one at a time and check succes sively if a fault persists for any one connec...

Страница 73: ...he wiring for short circuit or crossed wires Are all network distributors supplied with power Network the devices again one at a time and check successively see above If after performing the above lis...

Страница 74: ...74 17 DECLARATION OF CONFORMITY...

Страница 75: ...M MMC memory connector 2590 4S only 500 KB EEPROM 60000 to 100000 meas values Date and time of day Real time clock buffered 10ppm with device battery Power supply External 6 13 VDC ALMEMO socket DC Ba...

Страница 76: ...ZA 1904 SD Mains adapter with ALMEMO connector 12V minimum 1 A ZA 1312 NAx ALMEMO connector for ext power supply 12V 1A ZA 1312 FS8 DC adapter cable 10 to 30 VDC 12 V 0 25 A electrically isolated ZA...

Страница 77: ...unction compensation 31 cold junction temperature 31 Cold junction temperature 66 compensation 27 Configuration 67 Connecting the sensors transducers 19 contact status 69 continuous measuring point sc...

Страница 78: ...mode 49 multiplexer 63 Multi point calibration 60 networking 66 Numbering of measuring operations 47 OFF 22 ON 22 Once only output 46 Operating parameters 67 Options 76 Order no 76 output format 47 O...

Страница 79: ...ting and stopping measuring operations 51 Suitable conditions 75 supply voltage monitoring 17 Surface 41 Switch memory activation 47 switch OFF 18 Switching ON OFF 18 Technical data 75 temperature com...

Страница 80: ...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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