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FAA-27, Technical Manual, Rev. 1.1, June 2014

Page 9 of 21

Pin Name

Definition

I

Current Output

V

Voltage Output

G

GND

Shield

Current output connection

Voltage output connection

4.4 Changing the Analogue Output

FAA-27 sets its analog output according to the table below at power on. Turn the
programming switch and connect TxD and RxD pins as indicated in the table below
before power on the instrument to set analog output type and its signal level.

Analogue

Output Range

Prog. Switch Position

TxD & RxD pins

V / I LED

4 - 20 mA

Open circuited

On

0 - 20 mA

Short circuited

Off

0 - 10 VDC

Open circuited

Flash

0 - 5 VDC

Short circuited

Blinking

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Содержание FAA-27

Страница 1: ...Analog Amplifier FAA 27 Technical Manual Flintec GmbH Bemannsbruch 9 74909 Meckesheim GERMANY www flintec com ...

Страница 2: ...Commissioning 10 5 Adjustments 11 5 1 Adjustment With Rotary Switches 11 5 2 Fast Adjustment To Nominal Output Range 13 5 3 eCal Electronic Adjustment Via xFace Software 13 5 4 Adjustment eCal With PLC 14 5 5 Testing the Scale Performance 16 6 Setpoints 17 6 1 Setpoint Connection 17 6 2 Setpoint Adjustment 17 6 3 Adjustment To The Load On The Scale 17 6 4 Adjustment By Measuring The Analog Output ...

Страница 3: ... 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 fo...

Страница 4: ...FAA 27 Technical Manual Rev 1 1 June 2014 Page 3 of 21 2 Declaration of Conformity ...

Страница 5: ...og output adjustment with any test weight the electronic calibration eCal and fast calibration with 20 max test load reduces the calibration time All analog outputs of instruments are matched in the production to perform calibration at PLC and for changing the instrument without recalibration in service There are 8 positioned rotary switches and annunciator LEDs in front of the instrument The fron...

Страница 6: ...Refer to chapter 9 Features Minimized zero and span drifts due to its microcontroller technology and high accuracy very low temperature drift 24 bits ADC and 16 bits DAC converters Long time stability and low temperature drifts eliminate the frequent readjustment period Very easy and user friendly digital adjustment via rotary switches located on the front of the instrument Programmable digital ad...

Страница 7: ...C Preadjusted instrument for calibration at PLC Digital Filter Programmable 3 step adjustable digital adaptive filter Analogue outputs Current output for 0 20 mA and 4 20 mA or voltage output for 0 5 V and 0 10 V Max cable length 300 meter Max load resistance current output 500 Ω Set point 2 pcs free programmable setpoints Digital Output 2 relay contacts for setpoints 230 VAC or 30 VDC 1 A Load ce...

Страница 8: ...st radio frequency interference and the cabinet shall be connected to ground against the electromagnetic disturbances Load cell cable and analog 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 parallel r...

Страница 9: ...ument mechanical drawing 4 2 Load Cell Connection The load cell wiring should be made carefully before energizing to avoid damages of 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 Ex Excitation Si Signal Si Signal Shield 4 3 Analogue Output Connection Only one of the analog output types ...

Страница 10: ...7 sets its analog output according to the table below at power on Turn the programming switch and connect TxD and RxD pins as indicated in the table below before power on the instrument to set analog output type and its signal level Analogue Output Range Prog Switch Position TxD RxD pins V I LED 4 20 mA Open circuited On 0 20 mA Short circuited Off 0 10 VDC Open circuited Flash 0 5 VDC Short circu...

Страница 11: ...e analogue output type can be followed by the V I LED on front of the instrument after running it refer to table above After set up the analog output of the instrument according to the table above go to the next step 4 5 Serial Port Connection 4 6 Commissioning Double check the following issues before energizing the instrument Check Mechanical installation grounding load cell connection and power ...

Страница 12: ...ecrease Increase in big steps Flash RUN LED flashes to indicate the instrument is not in operation Zero Adjustment Connect the measurement instrument to the analog output Unload the scale Turn the programming switch to the Z position from the analog output type position Increase or decrease the analog output by adjustment rotary switch Never bring the adjustment switch position to position in this...

Страница 13: ...n the adjustment switch to the G position from the analog output type position you set before Increase or decrease the analog output by adjustment rotary switch to the calculated output value Never bring the adjustment switch position to position in this adjustment The adjustment switch must be at 0 position at the end of the adjustment Turn the programming switch to analog output type position fo...

Страница 14: ... and turn it back to 0 position 2 seconds later Turn the programming switch to analog output type position for operation For example for 4 20mA range and for 100kg capacity scale load the scale 20kg test weight and perform fast gain adjustment to set the output to 7 2mA at this load The output will be 20mA at 100kg loading 5 3 eCal Electronic Adjustment Via xFace Software The adjustment of high ca...

Страница 15: ...rated via RS232C serial interface by commands or by xFace software If you want to use your own software to calibrate the FAA 27 from your PLC or PC you may use the commands below The yellow colored bytes are the data in the command and blue colored bytes are check sum in this document Output type setting and eCal electronic calibration should be done in sequence RS232C PORT SETTING Adjust your PC ...

Страница 16: ...100009000204000000FAE6 Scale capacity is 250kg Response 011000090002E4 ACK Step 6 SAVE with estimated dead load value Command 011000000001020007E5 Save the eCal values Response 011000000001EE ACK Or SAVE with automatic zero adjustment Unload the scale and send the command below to start the zero adjustment Command 011000000001020015D7 Save eCal with Zero Adj Response 011000000001EE ACK Step 7 APPL...

Страница 17: ...Add Function Last_data STX and CSUM are neglected while calculating CSUM Example For Medium 1 filter 011000220001020001XX CSUM 0 01 10 00 22 00 01 02 00 01 0 37 C9 Command is 011000220001020001C9 Carriage Return 5 5 Testing the Scale Performance You have to check the scale performance by testing the scale eccentricity scale linearity at loading up to maximum loading value repeatability etc before ...

Страница 18: ...n the programming switch to S1 or S2 position from operation position from V or I position Turn the Adj switch to positions position and turn it back to 0 position 2 seconds later Turn the programming switch to analog output type position for operation V or I position or to other setpoint position to adjust it 6 4 Adjustment By Measuring The Analog Output You can adjust the setpoint by measuring t...

Страница 19: ...d Off 0 10VDC Open circuited Flash 0 5VDC Short circuited Blinking The status of the LEDs in the operation type is given in the table below Refer to chapter 9 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 4 20mA output 0 20mA output 0 10V output 0 5V output Operation X X X X Progr...

Страница 20: ...xFace software v2 03 or higher into the CD ROM drive Double click Setup exe to start the installation The setup Wizard will be displayed Follow the menus in the setup wizard step by step After finishing the installation the Setup Wizard will inform you about the success of the software installation Click the OK button After closing the Setup Wizard you can start to use the xFace software 8 2 Conne...

Страница 21: ...nts in section Setup 9 In section Status instrument information are available 10 Power off the instrument before disconnecting from PC Bring the programming switch to the analog output type position and apply the connection between TxD and RxD pins which is described in chapter 7 to set the analog output type 11 Turn the adjustment switch position to 0 position 12 Power on the instrument for opera...

Страница 22: ... 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 20mA output type On Off Off Operation in 0 20mA output type On Flash Off Operation in 0 10VDC output type On Blinking Off Operation in 0 5VDC output type On X On Input signal is out of range Calibration needed Check output circuit and cabling Board failure Flash...

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