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Summary of Contents for Ahlborn ALMEMO 2450-1
- Page 1 ____________________________ Operating instructions Universal measuring instrument ® ALMEMO 2450-1 V2.3 06.11.2013 www.ahlborn.com...
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Page 2: Operating Controls
1. Operating controls 1. OPERATING CONTROLS (1) Measuring inputs M0 M0 for a wide range of sensors M10 to M30 3 additional channels (2) Analog output P0 (option) P0 Clamp connector (ZA 1000-KS) (3) Outputs A1, A2 A1 USB interface (ZA 1919-DKU) RS232 (ZA 1909-DK5) Optic fiber (ZA 1909-DKL) Ethernet (ZA 1945-DK) -
Page 3: Table Of Contents
Contents 2. CONTENTS 1. OPERATING CONTROLS .................2 3. GENERAL ....................5 3.1 Warranty ....................5 3.2 Scope of delivery ................6 3.3 Waste disposal..................6 4. SAFETY INSTRUCTIONS................7 4.1 Special notes on use................8 4.2 Handling batteries / rechargeable batteries correctly......8 5. INTRODUCTION ..................8 5.1 Functions..................... - Page 4 2. Contents 11.2 Analog outputs................23 12. DEVICE CONFIGURATION ..............24 12.1 Device address and networking.............24 12.2 Analog output .................25 12.3 Switching OFF automatically ............26 12.4 Device locking ................26 13. TROUBLE-SHOOTING ................26 14. DECLARATION OF CONFORMITY............28 15. APPENDIX ....................28 15.1 Technical data ................28 15.2 Product overview ................29 15.3 Index....................30 15.4 Your contact..................32...
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Page 5: General
General 3. GENERAL ® Congratulations on your purchase of this new and innovative ALMEMO ® measuring instrument. Thanks to the patented ALMEMO connector the de- vice configures itself automatically; its operation should be fairly straightfor- ward. The device can, however, be used with such a wide range of sensors and peripherals and offers many different special functions. -
Page 6: Scope Of Delivery
3. General 3.2 Scope of delivery When you unpack the device check carefully for any signs of transport damage and ensure that delivery is complete. ® Measuring instrument ALMEMO 2450-1 with 3 AA alkaline batteries These operating instructions ® ALMEMO Manual CD with the AMR-Control software and various useful accessories In the event of transport damage please retain the packaging material and in-... -
Page 7: Safety Instructions
Safety instructions 4. SAFETY INSTRUCTIONS DANGER Danger to life and limb, risk of damage to equipment Read the instructions carefully before starting to operate the device. Please ensure that you comply with all general safety ad- vice and the special safety instructions included in other chapters. -
Page 8: Special Notes On Use
4. Safety instructions DANGER Warning - explosive atmospheres or substances In the vicinity of various fuels or chemicals there is a risk of ex- plosion. Do not use the device in the close vicinity of blasting work or fill- ing stations! 4.1 Special notes on use If the device is brought into the work-room from a cold environment •... -
Page 9: Introduction
5. INTRODUCTION ® The ALMEMO 2450-1 is a new member in our family of unique measuring de- ® vices - all equipped with Ahlborn's patented ALMEMO connector system. The ® intelligent ALMEMO connector offers decisive advantages when connecting sensors and peripherals because all parameters are stored in an EEPROM lo- cated on the connector itself;... - Page 10 5. Introduction Measuring ranges Appropriate measuring ranges are available for all sensors with a non-linear characteristic, e.g. 7 thermocouple types, NTC probes, and flow transducers (rotating vanes, thermoanemometers). For humidity sensors additional function channels are available for calculating humidity variables such as dew point, mixture ratio, vapor pressure, and enthalpy.
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Page 11: Measuring Operations
Functions Sensor locking All sensor data stored in the connector EEPROM can be protected by means of a graduated locking function against undesired access. 5.1.2 Measuring operations A total of up to 4 measuring channels are available for 1 transducer; i.e. it is also possible to evaluate double sensors, individually scaled sensors, and sen- sors with function channels. -
Page 12: Process Control
5. Introduction 5.1.3 Process control (interface functions, see Manual Ch 6, not type L) To record the measured values from all connected sensors in digital form mea- suring point scanning is performed continuously with measured value output according to a time-based process control. This may be per cycle or, if really rapid results are required, at the measuring rate itself. -
Page 13: Initial Commissioning
Functions Software ® Each ALMEMO Manual is accompanied by the AMR-Control software pack- age, which can be used to configure the measuring instrument and to program the sensors . Using the integrated terminal, measuring operations can also be ® performed online. The WINDOWS software package WIN-Control is provided for the purposes of measured value acquisition via networked devices, for graphical presentation, and for more complex data processing. -
Page 14: Power Supply
7. Power supply 7. POWER SUPPLY Power can be supplied to the measuring instrument in any of the following ways : 3 AA alkaline batteries (included in delivery) ® Mains adapter 12V, 0.2A with ALMEMO connector ZA1312-NA1 Electrically isolated power supply cable (10 to 30 VDC, 0.25 A) ZA2690-UK 12V DC clamp connector to socket DC (options U and I) ZA1000-FSV Our product spectrum includes all the appropriate accessories. -
Page 15: Data Buffering
For any unused sockets protective stoppers are available. 8.2 Measuring inputs and additional channels The ALMEMO 2450-1 measuring instrument has one input socket (1) to which ® initially measuring channel M0 is assigned. ALMEMO sensors can, however, if necessary, provide up to four channels. -
Page 16: Potential Separation
8. Connecting the transducers necessary be programmed with several measuring ranges or scaling settings; and two or three sensors, if pin assignment so permits, can be combined in a single connector (e.g. rH / NTC, mV / V, mA / V, etc.). The additional measur- ing channel numbers per connector go up in steps of 10 (e.g. -
Page 17: Display And Keypad
Display and keypad 9. DISPLAY AND KEYPAD 9.1 Display ® The display (5) on the ALMEMO 2450-1 measuring instrument is a 2-row LCD arrangement; the main field comprises 5x 7-segment digits (e) plus 2x 16-seg- ment digits (d) for depicting the measured value;,the function field comprises 41/2x 7-segment digits (b) for depicting various measuring functions (a);... -
Page 18: Keypad
9. Display and keypad Special operating states and faults Display segment test : runs automatically after switch ON Supply voltage Display after segment test Under 3.8 V : LOBAT arrow lights up Relative measuring with respect to a reference value : REL arrow lights up Measured value corrected : CORR arrow lights up Checksum error in... -
Page 19: Measuring Operations
Keypad Function : Selection of measuring points (see Section 10.1.1) M ▲ M ▼ Displaying the maximum value : (see Section 10.2) To delete press and hold down Displaying the minimum value : (see Section 10.2) To delete press and hold down Zero-setting the measured value : (see Section 10.4) To delete press and hold down Saving the measured value : (see Section 10.3) -
Page 20: Measuring Ranges
10. Measuring operations 10.1.2 Measuring ranges With each channel switchover or sensor breakage the abbreviation for the measuring range appears in the display. For identification purposes the follow- ing table lists all possible measuring ranges supported by this device. Transducer Sensor / con- Measuring range Units Abbre- nector... -
Page 21: Double Display
Measured value Transducer Sensor / con- Measuring range Units Abbre- nector viation Function channels: Maximum value of channel Mb1 any Minimum value of channel Mb1 A[t] Aver.value M(t) over time of Mb1 any A[n] Aver. value M(n) of Mb2 to Mb1 any S[n] Sum S(n) of Mb2 to Mb1 S[t]... -
Page 22: Measured Value Memory
10. Measuring operations 10.3 Measured value memory ® On the ALMEMO 2450-1 any measured value can be saved. To save the measured value press key : The value most recently saved then appears in the function field preceded by the symbol ´M´. -
Page 23: Analog Outputs
Interfaces ZA5099-AS. The transmit and receive lines must be crossed once-only. Up to 32 other devices can then be wired in parallel with line lengths up to 1 km. As with all networked devices each one must be set to a different device address; (see 12.1). -
Page 24: Device Configuration
12. Device configuration 12. DEVICE CONFIGURATION ® On the ALMEMO 2450-1 measuring instru- ment a number of parameters can be config- ured. To do so when switching ON press and hold down key . The function field should then show an abbreviation for the pa- rameter and the main field should show the value currently set. -
Page 25: Analog Output
Analog output 12.2 Analog output By default the 1st analog output (either cable at A2 or internal P0-6) is used to output the measured value for the selected measuring point and the 2nd ana- log output (internal P0-7) is used to output the measured value for the 1st channel of the selected sensor;... -
Page 26: Switching Off Automatically
12. Device configuration 12.3 Switching OFF automatically In menu item ´ AOFF ´ the device can be programmed to switch OFF automati- cally if no key is touched for a certain settable number of minutes; this will help save the batteries. This automatic device switch OFF will not take effect if the setting is ´- -´... - Page 27 Trouble-shooting necessary, insulate the sensor and eliminate interference by using shielded or twisted wiring. Error: ´CALEr´is displayed when the device is switched on. Remedy: The calibration of a measuring range may have become misad- justed. The device must be recalibrated at the factory. Error: Data transmission via the interface does not function.
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Page 28: Declaration Of Conformity
14. Declaration of conformity 14. DECLARATION OF CONFORMITY Ahlborn Mess- und Regelungstechnik GmbH declares herewith that measuring ® instrument ALMEMO 2450-1 carries the CE label and complies in full with the requirements of EU directives relating to low voltage and to electromagnetic compatibility (EMC) (89/336/EWG). -
Page 29: Product Overview
Ambient relative humidity : 10 to 90 % rH (non-condensing) 15.2 Product overview Universal measuring instrument ALMEMO 2450-1 Order no. 1 measuring input , 2-row LCD, 7 keys, battery supply 3 ALMEMO output sockets, A1, A2 for cables RS232, USB,... -
Page 30: Index
15. Appendix Rubberized impact protection, gray ZB 2490-GS2 DC adapter cable, 10 to 30 V DC, 12 V / 0.25 A, electrically isolated ZA 2690-UK ® ALMEMO clamp connector 10 to 30 V DC ZA 1000-FSV ® ALMEMO data cable, with USB interface, el. isol., maximum 115.2 KB ZA 1919-DKU ®... - Page 31 Index Main field Mains operation maximum value 10.2 Measured value 10.1 Measured value memory 10.3 Measuring inputs Measuring inputs 15.1 Measuring operations Measuring ranges 10.1.2 minimum value 10.2 networking 12.1 ON OFF 18f. operating states Options 15.2 Order no. 15.2 Outputs Outputs 15.1...
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Page 32: Your Contact
To switch OFF To switch ON Transducers Trouble-shooting Warranty Waste disposal WIN-Control 5.1.3 15.4 Your contact AHLBORN Mess- und Regelungstechnik GmbH Eichenfeldstraße 1 83607 Holzkirchen Germany internet : http://www.ahlborn.com e-mail : amr@ahlborn.com We take every possible care but the risk of inaccuracy can never be altogether excluded.
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