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Operating Manual EMGZ307

Analogue Tension Measuring Amplifier

Version 1.1

10/2009 ff

This operation manual is also available in German, French and Italian.

Please contact your local representative.

Diese Bedienungsanleitung ist auch in Deutsch, Französisch und Italienisch erhältlich.

Bitte kontaktieren Sie Ihren nächstgelegenen FMS Vertreter.

Ce mode d'emploi est également disponible en Français, en Italien et en Allemand.

Veuillez contacter la représentation locale.

Queste manuale d’installazione è disponibile anche in lingua italiana, francese e tedesco.

Vogliate cortesemente contattare la locale rappresentanza.

© by FMS Force Measuring Systems AG, CH-8154 Oberglatt – All rights reserved.

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Содержание EMGZ307

Страница 1: ... Französisch und Italienisch erhältlich Bitte kontaktieren Sie Ihren nächstgelegenen FMS Vertreter Ce mode d emploi est également disponible en Français en Italien et en Allemand Veuillez contacter la représentation locale Queste manuale d installazione è disponibile anche in lingua italiana francese e tedesco Vogliate cortesemente contattare la locale rappresentanza by FMS Force Measuring Systems...

Страница 2: ...ifier is only guaranteed with the recommended application of the components In case of other arrangement heavy malfunction can be the result Therefore the installation instructions on the following pages must be followed strictly Local installation regulations are to preserve safety of electric equipment They are not taken into consideration by this operating manual However they have to be followe...

Страница 3: ...ings for EMGZ307 582388 10 7 3 Configuring Gain and Offset 11 7 4 Configuring the Outputs 12 7 5 Configuring the Lowpass Filters 13 7 6 Calibrating the Measuring Amplifier 14 8 Trouble shooting 15 9 Technical Specification 15 2 Definitions Offset Correction value for compensation of the zero point difference Thanks to the offset it is ensured that a force of 0N will generate a signal of 0V exactly...

Страница 4: ...eely configurable lowpass filter Freely configurable outputs 10V 0 20mA 4 20mA Supports connection of an external feedback display Components in italic letters indicate a variant or option 3 1 Different EMGZ307 Variants The tension measuring amplifier EMGZ307 is available in two variants EMGZ307 Standard 1 channel analogue amplifier EMGZ307 582388 1 channel analogue amplifier for rotating applicat...

Страница 5: ...train gauges the measured value is according also to the power supply So the force sensors are supplied from the EMGZ307 by a very accurate power supply 4 3 Measuring Amplifier EMGZ307 The EMGZ307 is a single channel analog Tension Measuring Amplifier based on a hybrid circuit It is developed specially for use under hard conditions It is delivered in a sealed housing compliant with IP67 There can ...

Страница 6: ... amplifying of the signal and maximum immunity to any interference of the signal cable Fixed setting of gain and offset Fixed setting is used when maximum thermal stability and vibration proof conditions are needed The signal is pre amplified with a fixed value and has to be evaluated digitally i e by PLC so that offset and gain can be calculated 4 4 Block Diagram fig 2 Block diagram E307002e ...

Страница 7: ...Operating manual EMGZ307 7 5 Dimensions fig 3 Outline drawing EMGZ307 E307003us ...

Страница 8: ...aluminium housing of the measuring amplifier may be mounted to any place in the machine but usefully a position close to the force sensors is chosen Wiring to the terminals is done according to wiring diagram fig 4 6 2 Mounting the Force Sensors Mounting of the force sensors is done referring to the FMS Installation manual which is delivered together with the force sensors Wiring to the terminals ...

Страница 9: ...th below 15m 2x2x0 25 mm2 AWG 23 is also suitable The cable must be installed separate from power lines Caution Improper handling may damage the fragile electronic equipment Don t touch the electronic unit Don t use rough tools as screwdrivers or pliers Touch earthed metal part to discharge static electricity before touching the electronic unit Caution Bad earth connection may cause electric shock...

Страница 10: ...fig 7 The gain is preset to gain fix 1111 see fig 7 The output current signal is preset to 4 20mA see fig 9 The electronics board of the amplifier is protected with moulding compound The unit is pre assembled with cables of 8m length The wiring of the pre assembled cables is described in the table below Cable Type Terminal Colour Signal Name Force sensor 4 wire cable 1 yellow 5V excitation 2 white...

Страница 11: ...s can be made indepently for gain and offset Gain and offset with infinite setting If gain and offset are adjusted with the trimmers the jumpers have to be set according to fig 7 Gain and offset then may be adjusted using the trimmers refer to 7 6 Calibration of the measuring amplifier fig 7 Jumper setting for infinite gain and offset adjustment E307006ea ...

Страница 12: ...ominal force of the sensor is applied 7 4 Configuring the Outputs The measuring amplifier provides a tension output 10V and a current output 0 20mA or 4 20mA which are active simultaneously The signal of the current output is configured as follows Current output 0 20mA The jumpers have to be set according to fig 9a This is the standard FMS factory setting Current output 4 20mA The jumpers have to ...

Страница 13: ...t The lower the cut off frequency the more sluggish the output signal will be The configuration is made by soldering of a non polarized capacitor to the soldering points refer to fig 5 The capacitor will be determined referring to the following formula or list Cut off frequency Hz Capacitor µF 1 10 C 10 F 2 5 5 2 10 1 C Capacity µF 20 0 5 F Cut off frequency Hz 50 0 2 100 0 1 200 0 05 500 0 02 100...

Страница 14: ... is appearing when loading the sensor in measuring direction If not exchange the two signal wires of the referring force sensor in the terminal block terminals 2 3 Insert material or a rope loosely to the machine Adjust the offset trimmer until the output value is zero Load material or rope with a defined weight fig 10 Adjust the gain trimmer until the output value shows the needed value for ex 10...

Страница 15: ...e trimmers causes no result Jumpers are not set to infinite Set jumpers to infinite Output shows no reaction or 1 or 2 LED s don t light Fuse blown Replace fuse on power supply Power supply not correct Check correct power supply Measuring amplifier defect Contact FMS customer service 9 Technical Specification Sensor excitation 5VDC 20ppm K max 30mA 11ppm F Gain factor range fixed 1111 variable 500...

Страница 16: ...FMS Italy Via Baranzate 67 I 20026 Novate Milanese Tel 39 02 39487035 Fax 39 02 39487035 fmsit fms technology com FMS USA Inc 2155 Stonington Ave Suite 119 Hoffman Estates IL 60169 USA Tel 1 847 519 4400 Fax 1 847 519 4401 fmsusa fms technology com FMS UK Highfield Atch Lench Road Church Lench Evesham WR11 4UG Great Britain Tel 44 1386 871023 Fax 44 1386 871021 fmsuk fms technology com ...

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