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Operating Manual EMGZ622A/642A
Digital Tension Measuring Amplifier
for Double Range Force Sensors
Version 1.13 02/2007 ff
Firmware Version 2.00
Hardware Rev. D
This operation manual is also available in German,
Please contact your local representative.
Diese Bedienungsanleitung ist auch in Deutsch, erhältlich.
Bitte kontaktieren Sie die Vertretung im zuständigen Land.
Ce mode d'emploi est également disponible en Allemand.
Veuillez contacter la représentation locale.
Queste manuale d'installazione è disponibile anche in lingua tedesco.
Vogliate cortesemente contattare la locale rappresentanza.
© by FMS Force Measuring Systems AG, CH-8154 Oberglatt – All rights reserved.
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Summary of Contents for FMS EMGZ622A
- Page 1 Ce mode d'emploi est également disponible en Allemand. Veuillez contacter la représentation locale. Queste manuale d’installazione è disponibile anche in lingua tedesco. Vogliate cortesemente contattare la locale rappresentanza. © by FMS Force Measuring Systems AG, CH-8154 Oberglatt – All rights reserved.
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Page 2: Safety Instructions
Operating Manual EMGZ622A/642A 1 Safety Instructions 1.1 Description conditions High danger of health Risk of damage Notice for injury or loss of life to machines proper function Note Caution Danger This symbol refers to an This symbol refers to risk of... -
Page 3: Table Of Contents
Mathematical Method Additional Settings Parametrization..................19 Schematic Diagram of Parametrization Parameter List: System Parameters List of the Parameters EMGZ622A/642A Description of the Parameters: System Parameters Description of the Parameters EMGZ622A/642A Service Mode Serial Interface (RS232) ................. 26 PROFIBUS Interface Description ............27 11.1... -
Page 4: Definitions
Strain gauge: Electronic component that will change its resistance while its length has changed. Strain gauges are used in the FMS force sensors for acquisition of the feedback value. Subprint: Electronic extension module which can be plugged to the main board of the electronic unit if required. -
Page 5: System Description
EMGZ622A/642A. The electronic unit amplifies the mV signals of each measuring range depending on configuration. The resulting feedback values are shown in the display in [N] (lbs if required) for each measuring range. - Page 6 Operating Manual EMGZ622A/642A Strain gauge amplifier The strain gauge amplifier provides the highly accurate power supply (5VDC or 10VDC) for 1 or 2 force sensors per measuring point. The force sensors can be wired using 4 wire circuit or 6 wire circuit. This allows accurate control of the bridge excitation even with very long cabling.
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Page 7: Quick Installation Guide
Operating Manual EMGZ622A/642A 5 Quick Installation Guide • Check all your requirements such as: – configuration of the analogue inputs (power supply, 4 wire or 6 wire circuit)? – configuration of the analogue outputs (signal level)? – gain switching required? –... -
Page 8: Dimensions
Operating Manual EMGZ622A/642A 6 Dimensions fig. 3: Dimensions E611002e... -
Page 9: Installation And Wiring
Operating Manual EMGZ622A/642A 7 Installation and Wiring Caution Proper function of the electronic unit 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. - Page 10 Operating Manual EMGZ622A/642A Caution The processor board is mounted to the housing cover. Improper handling may damage the fragile electronic equipment! Don’t use rough tools such as screwdrivers or pliers! Touch processor board as little as possible! Touch earthed metal part to discharge static electricity before open the housing! fig.
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Page 11: Wiring Diagram
Operating Manual EMGZ622A/642A 7.2 Wiring Diagram fig. 7: Wiring diagram EMGZ642A. The version EMGZ622A has only channels 1 and 2. E642002e... -
Page 12: Mounting The Force Sensors
Operating Manual EMGZ622A/642A 7.3 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. The connection between the force sensors and the electronic unit is done using 4x2x0.75mm [AWG 18] shielded twisted pair cable. -
Page 13: Operating
Operating Manual EMGZ622A/642A 8 Operating 8.1 View of the Operating Panel fig. 8: Operating panel EMGZ622A/642A E642006e fig. 9: Switching between the tension feedback values E642003e... -
Page 14: Configuring The Electronic Unit
Ref. to nameplate of the force sensor Unit of sensor Ref. to nameplate of the force sensor Sensitivity FMS force sensors = 1.8mV/V (default) Scale output Which tension feedback refers to 10V resp. 20mA? Config. output 0...10V (Default) or ±10V, corresponding to parameter Config. -
Page 15: Calibrating The Measuring Amplifier
Operating Manual EMGZ622A/642A fig. 10: Switching between the tension feedback values E642007e 8.3 Calibrating the Measuring Amplifier The calibration is done for each channel separately. Channel assignment Channel 1 Range 1A (measuring point 1, low force range) Channel 2 Range 1B (measuring point 1, high force range) -
Page 16: Simulating Method (Recommended)
Operating Manual EMGZ622A/642A 8.4 Simulating Method (recommended) The following instructions are referring to a setup and calibration on-site. The material tension will be simulated by a weight (fig. 9). Check force sensors • Connect the first force sensor (ref. to wiring diagram). -
Page 17: Mathematical Method
• Offset adjustment is done as written under „Simulating method“. • The Gain value will be calculated by the following formula and then inputted in the parameter Gain (refer to „9.5 Description of the parameters: EMGZ622A/642A“). fig. 12: Force vectors in the FMS force measuring bearing... -
Page 18: Additional Settings
Min. limit / Max. limit (ref. to „9.5 Description of the parameters: EMGZ622A/642A“). If the electronic unit detects exceeding of the values set, it can switch on an LED and / or a dig. output. -
Page 19: Parametrization
Operating Manual EMGZ622A/642A 9 Parametrization 9.1 Schematic Diagram of Parametrization fig. 13: Parametrization EMGZ642A E642005e... -
Page 20: Parameter List: System Parameters
Lowpass Display 10.0 Identifier Baud rate 2400, 4800, 9600, 19200 9600 9.3 List of the Parameters EMGZ622A/642A Channel assignment Channel 1 Range 1A (measuring point 1, low force range) Channel 2 Range 1B (measuring point 1, high force range) Channel 3... -
Page 21: Description Of The Parameters: System Parameters
Operating Manual EMGZ622A/642A 9.4 Description of the Parameters: System Parameters The parameter changing mode is activated by pressing the PARA ↵ key for 3 seconds. By pressing the PARA ↵ key again, the global parameters are selected (ref. also to fig. 11). -
Page 22: Description Of The Parameters Emgz622A/642A
Operating Manual EMGZ622A/642A 9.5 Description of the Parameters EMGZ622A/642A The parameter changing mode is activated by pressing the PARA ↵ key for 3 seconds. The required module is then searched with the ↑ ↓ keys and selected with the PARA ↵ key (ref. - Page 23 Sensitivity Use: This parameter stores the sensitivity of the force sensor, that means how much signal per volt excitation the sensor will give when loaded with nominal force. Standard for FMS force sensors is 1.8mV/V. Range: 0.1 to Default: Increment:...
- Page 24 Operating Manual EMGZ622A/642A Lowpass output Use: Each channel provides a low-pass filter to prevent noise which is added to the output signal. This parameter stores the cut off frequency. The lower the cut off frequency, the more sluggish the output signal on the terminals will be (ref.
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Page 25: Service Mode
Operating Manual EMGZ622A/642A 9.6 Service Mode fig. 14 Accessing service mode E614012e The service mode contains internally used values. These need usually no modification. However, they could be helpful while trouble shooting. Each function module has its own set of service parameters. -
Page 26: Serial Interface (Rs232)
Operating Manual EMGZ622A/642A 10 Serial Interface (RS232) (Optional) -
Page 27: Profibus Interface Description
Operating Manual EMGZ622A/642A 11 PROFIBUS Interface Description 11.1 Wiring of the PROFIBUS Data Cable Wiring of the PROFIBUS cables The standardized PROFIBUS cable type A (STP 2x0.34 ) [AWG] has to be used for the PROFIBUS data cable. The cables are bared referring to fig. 6 and connected to the terminals according to the wiring diagram. - Page 28 Operating Manual EMGZ622A/642A...
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Page 29: Profibus Interface Description
The GSD file can also be supplied on a floppy disk on request. In this case please contact FMS customer service. Read in the GSD file into the PROFIBUS DP Master How to read in the GSD file into the control system (DP Master) is depending on the used control system. -
Page 30: Configuration
Operating Manual EMGZ622A/642A 12.4 Configuration The configuration defines how many process data (byte and word) are exchanged during the cyclic communication between control system and measuring amplifier. Several modules enable a flexible use of the measuring amplifier. In a single measuring amplifier only one module can be set active at the time. -
Page 31: Interface Can-Bus
Operating Manual EMGZ622A/642A 13 Interface CAN-Bus (Optional) -
Page 32: Interface Devicenet
Operating Manual EMGZ622A/642A 14 Interface DeviceNet (Optional) -
Page 33: Technical Reference
Operating Manual EMGZ622A/642A 15 Technical Reference 15.1 Additional Setting Elements fig. 17 View of main board K600028e Element Function D111 Status LED power supply: VCC ok D114 Status LED power supply: +15VDC ok D115 Status LED power supply: –15VDC ok D408 Status LED dig. -
Page 34: Dip-Switch For The Analogue Inputs / Outputs
Operating Manual EMGZ622A/642A 15.2 Dip-switch for the Analogue Inputs / Outputs 15.2.1 Main Board fig. 18 View of main board K600028e Setting of the Dip-switch Sensor exitation Sensor signal 4/6-wire circuit Dip- 5VDC 10VDC ±9mV 0...10V 4-wire 6-wire switch factory set. - Page 35 Operating Manual EMGZ622A/642A 15.2.2 Sub-board (Rev. D) fig. 19: The Dip-switch and solder bridges E600014e Setting of the Dip-switch Sensor excitation Sensor signal 4/6-wire circuit Dip-switch 5VDC 10VDC ±9mV 0...10V 4-wire 6-wire factory set. factory set. factory set.
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Page 36: Technical Data
Operating Manual EMGZ622A/642A Note The Dip-switch, jumpers and solder bridges are factory set and need no customization. Caution Wrong setting of the Dip-switches and solder bridges may cause malfunction of the electronic unit or the total system! Setting of the solder bridges, Dip-swtitch and jumpers must be... -
Page 37: Trouble Shooting
Operating Manual EMGZ622A/642A 16 Trouble Shooting If the electronic unit detects an error, a digital output and / or an LED on the operating panel is activated. If the dig. output resp. the LED is parametrized to Error (ref. to Config. of LED, Dig. - Page 38 Operating Manual EMGZ622A/642A Error Cause Corrective action Gain of channel n cannot The dig. input used is wrong Set global parameter dig. input 1...4 to parametrized Switch gain C.n be switched Limit values wrong Set channel parameter Min. limit / Max.
- Page 39 Operating Manual EMGZ622A/642A FMS Force Measuring Systems AG FMS USA, Inc. FMS (UK) Aspstrasse 6 925 East Rand Road Suite 207 Highfield, Atch Lench Road 8154 Oberglatt (Switzerland) Arlington Heights, IL 60004 (USA) Church Lench Tel. +41 44 852 80 80 Tel.
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