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FAA-26

Analogue Amplifier

Technichal Manual

www.flintec.com

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Содержание FAA-26

Страница 1: ...FAA 26 Analogue Amplifier Technichal Manual www flintec com ...

Страница 2: ... Specifications 5 4 Installation and Commissioning 7 4 1 Mechanical Installation 8 4 2 Load Cell Connection 8 4 3 Analogueue Output Connection 9 4 4 Changing the Analogueue Output Type 9 4 5 Commissioning 10 5 Adjustments 11 5 1 Adjustment with rotary switch 11 5 2 Adjustment at PLC 12 5 3 Testing the Scale Performance 12 6 Operation 13 7 Trouble Shootıng 14 ...

Страница 3: ...his publication may be reproduced stored in a retrieval system or transmitted in any form or by any means mechanical photocopying recording or otherwise without the prior written permission of Flintec GmbH No patent liability is assumed with respect to the use of the information contained herein While every precaution has been taken in the preparation of this book FLINTEC assumes no responsibility...

Страница 4: ...FAA 26 Technical Manual Rev 1 2 0 December 2020 Page 4 of 14 2 Declaration of Conformity ...

Страница 5: ...r changing the instrument without recalibration in service if the adjustment is done in a PLC There are 2 rotary switches and annunciator LEDs in front of the instrument The upper rotary switch adjusts unloaded scale s analogue output level zero adjustment and the lower rotary switch adjusts the gain of the instrument The front view and pin descriptions of FAA 26 are shown below Pin Name Definitio...

Страница 6: ...o 20 mV Minimum input range 1 mV Linearity 0 01 Temperature drift 0 007 FSR ºC Converters 24 bit Delta Sigma ratiometric ADC with integral analogue and digital filters 16 bit very low drift DAC Internal resolutions 16 000 000 counts ADC External resolution Analogue output changes up to 65000 steps Calibration With rotary switches in the front with any test load Preadjusted and matched instrument f...

Страница 7: ...t against radio frequency interference and the cabinet shall be connected to ground against the electromagnetic disturbances Load cell cable and analogue output cable trays must be separated from others if possible If there are noise generating equipments such as heavy load switches motor control equipments inductive loads etc please be careful against the EMC interference in the cabinet Connect p...

Страница 8: ... 85 maximum relative humidity non condensing Install the instrument on the DIN rail in the cabinet The instrument mechanical drawing 4 2 Load Cell Connection The load cell wiring should be made carefully before energizing to avoid damages to the instrument and load cells The input resistance of the load cells that you want to connect should be more than 85 Ω Pin Name Load Cell Cable Ex Excitation ...

Страница 9: ... Current Output V Voltage Output G GND Shield Current output connection Voltage output connection 4 4 Changing of the Analogue Output Type FAA 26 checks the T and R pins connection and sets its analogue output according to the table below at power on To change the analogue output mode short circuit or open circuit T and R pins of the instrument before power on the instrument Analogue Output Type T...

Страница 10: ...t Mechanical installation grounding load cell connection and power supply connection The T and R pins on the instrument shall be defined the analogue output type as seen in Chapter 4 4 at power on The analogue output cabling should be done for the same analogue output type The adjustment rotary switches shall be at 0 position at power on ...

Страница 11: ...peration No any change On Decrease Increase in slow steps Flash Decrease Increase in medium steps Flash Decrease Increase in big steps Flash RUN LED flashes to indicate the instrument is in adjustment mode Zero Adjustment Connect a measurement e g multimeter instrument to the analogue output Unload the scale Increase or decrease the analogue output by zero adjustment rotary switch The zero adjustm...

Страница 12: ...Adjustment at PLC All instruments are adjusted in the production to operate in its analogue output range between 0 mV and 10 mV load cell signal as default only for 2mV V load cells Current output default adjustment is 4 20 mA and Voltage output default range is 0 10 VDC For example if the instrument is at factory default values and programmed to operate 4 20 mA output range the output will be 4 m...

Страница 13: ...on T and R pins V I LED after power on Current Open circuited On Voltage Short circuited Flash Refer to chapter 8 in case of the Err LED turns on The analogue output signal also gives information about the status of the system and the weighing process to inform PLC as Condition Current output Voltage output Operation X X Programming X X The weight is higher than the range Over signal to PLC 24 mA ...

Страница 14: ... below Don t let unauthorized people interfere with the instrument FRONT PANEL LEDS DEFINITION Run V I Err Off Off Off No power Board failure On On Off Operation in 4 20 mA output type On Flash Off Operation in 0 10 VDC output type On X On Output type is 4 20 mA or 0 10 VDC Input signal is out of range Calibration needed Check output circuit and cabling Board failure Flash ON ON Calibration mode S...

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