Ahlborn ALMEMO 2450-1 Operating Instructions Manual Download Page 1

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____________________________

Operating instructions

Universal measuring instrument

ALMEMO

2450-1

V2.3

06.11.2013

www.ahlborn.com

Summary of Contents for ALMEMO 2450-1

Page 1: ...____________________________ Operating instructions Universal measuring instrument ALMEMO 2450 1 V2 3 06 11 2013 www ahlborn com...

Page 2: ...V not type L Mains adapter ZA1312 NA1 12V 0 2A Cable el isol ZA2690 UK 10 30V Interface RS 485 option 5 LCD Function field a Function b Measuring point 2nd meas value c Units for 2nd measured value Ma...

Page 3: ...voltage monitoring 14 7 2 Mains operation 14 7 3 External DC voltage supply 14 7 4 Sensor supply 14 7 5 Switching ON OFF reinitialization 14 7 6 Data buffering 15 8 CONNECTING THE TRANSDUCERS 15 8 1...

Page 4: ...ddress 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 1...

Page 5: ...l ity tests We provide a guarantee lasting two years from delivery date that your device will function trouble free Before you send your device to us please observe the advisory notes in Chapter 13 Tr...

Page 6: ...l of any such item as unsorted do mestic waste is strictly forbidden Please dispose of all packaging materials according to the applicable national waste management regulations Please dispose of cardb...

Page 7: ...or conditions for which it is not suited Use of the device with an unsuitable power supply and or in conjunction with unsuitable peripheral equipment Use of the device for any purpose other than that...

Page 8: ...uitable Be sure to observe the maximum load capacity of the sensor power supply Sensors with their own integrated power supply are not electrically iso lated from one another 4 2 Handling batteries re...

Page 9: ...plete list of interface commands with all the printouts Manual Ch 7 The operating instructions you are now reading cover only those features and controls that are specific to this device Many sections...

Page 10: ...t always indicate the correct units e g when a transmitter is connected Conversion between C Centigrade and F Fahrenheit is performed automatically Measured value designation Each sensor is identified...

Page 11: ...most sensors sensor breakage is detected automatically except for con nectors with shunt dividers or additional electronics Analog output and scaling Each measuring point can be scaled by means of ana...

Page 12: ...g over measuring point scans The measured values from measuring point scans can be averaged either over the whole measuring duration or over the specified cycle These average val ues can then be outpu...

Page 13: ...ence value by pressing key CLR 6 Revert to normal measured value by pressing and holding down key CLR 7 Evaluating a measuring operation Call up maximum minimum values by pressing keys MAX MIN 6 To de...

Page 14: ...d with power from an external source preferably using mains adapter ZA 1312 NA1 12 V 0 2 A via the DC socket 4 Please ensure that the mains voltage is correct 7 3 External DC voltage supply The DC soc...

Page 15: ...isting sensors to ALMEMO instruments see Manual Ch 4 All suitable sensors with an ALMEMO connector see above have the measuring range and units al ready programmed and can thus be connected to the inp...

Page 16: ...can flow between sensors power supply and peripherals All points must therefore lie at the same potential and or any un equal potentials must be electrically isolated Sensors combined within one conne...

Page 17: ...digits b for depicting various measuring functions a there are also 2 arrows f for depicting the operating status Function field Main field Display of measuring functions in the function field Measur...

Page 18: ...points Measuring range function not permitted Multiplexer M5 D B is not permitted Sensor breakage flashes Outside of measuring range undershoots cold junction compensation flashes or cold junction com...

Page 19: ...Section 5 1 1 10 1 Measured value After switching ON first of all a segment test is performed then the battery voltage ap pears and if the batteries are almost empty 3 8 V the LOBAT arrow also appear...

Page 20: ...olt 2 ZA 9000 FS2D 260 00 260 00 mV d260 Difference volt ZA 9000 FS3D 0 2600 2 6000 V d2 60 Sensor voltage any 0 00 20 00 V UbAt Milliampere ZA 9601 FS1 0 000 26 000 mA I032 Percent 4 to 20mA ZA 9601...

Page 21: ...ature value can at the same time be dis played in the function field Select 2nd channel Activate temperature display Press and hold dow M Return to channel display Press and hold down M 10 2 Peak valu...

Page 22: ...this channel The MAX MIN and MEM functions are thus also available for relative measurement 11 OUTPUTS The following interfaces corresponding accessories or options either are nec essary see 14 2 11 1...

Page 23: ...e entered Or alternatively there are variants 2490 xR02 with 2 integrated electrically iso lated analog outputs see Section 15 2 these can be configured as 0 to 10 V 0 to 20 mA or 4 to 20 mA These app...

Page 24: ...ling for Analog output P0 7 option see 12 2 Automatic switch OFF time in minutes see 12 3 To enter a value first press ON and the value starts flashing To modify the value press keys M or M To delete...

Page 25: ...A for 30 0 to 120 0 C For the previously specified reference channel the values for analog output start and analog output end plus analog output type 0 to 20 mA or 4 to 20 mA can all be programmed Fir...

Page 26: ...o grammed in many versatile ways It is suitable for connecting a wide variety of different sensors additional measuring instruments alarm signaling devices and peripheral equipment Given these numerou...

Page 27: ...anual 6 2 1 Enter ctrl Q for XON if the device is in the XOFF status Check the programming by means of P15 see Manual 6 2 3 Test the transmit line by selecting a measuring point using com mand Mxx and...

Page 28: ...owing advisory notes must be observed when operating the device Using the device in strong electromagnetic fields may aggravate measuring er rors 50 V at 3 V m and 1 5 meters thermocouple sensor After...

Page 29: ...mm ABS acrylonitrile butadiene styrene weight approx 260 g Suitable conditions Operating temperature 10 to 50 C storage temperature 20 to 60 C Ambient relative humidity 10 to 90 rH non condensing 15...

Page 30: ...conductor relays trigger input ZA 1006 EAK 15 3 Index Accessories 15 2 30 additional channels 8 2 15 AMR Control 5 1 3 13 analog output 11 2 23 Analog output 12 2 25 analog output end 12 2 25 analog o...

Page 31: ...8 3 16 Power supply 15 1 14 29 Process control 5 1 3 12 Product overview 15 2 29 reference channel 12 2 25 reference value 10 4 22 reinitialization 7 5 14 Relative measuring 10 4 22 RS485 interface 11...

Page 32: ...3 6 WIN Control 5 1 3 13 15 4 Your contact AHLBORN Mess und Regelungstechnik GmbH Eichenfeldstra e 1 83607 Holzkirchen Germany internet http www ahlborn com e mail amr ahlborn com We take every possib...

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