FMS EMGZ321 Operating Manual
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FMS EMGZ321 Operating Manual

Digital microprocessor controlled double channel tension measuring amplifier
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Operating Manual EMGZ321
Digital microprocessor controlled
Double Channel Tension Measuring Amplifier
Version 1.02 01/2010 ff
Firmware Version: 1.02
This operation manual is also available in German.
Please contact your local FMS representative.
Diese Bedienungsanleitung ist auch in Deutsch erhältlich.
Bitte kontaktieren Sie Ihren nächstgelegenen FMS Vertreter.
© by FMS Force Measuring Systems AG, CH-8154 Oberglatt – All rights reserved.

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Summary of Contents for FMS EMGZ321

  • Page 1 This operation manual is also available in German. Please contact your local FMS representative. Diese Bedienungsanleitung ist auch in Deutsch erhältlich. Bitte kontaktieren Sie Ihren nächstgelegenen FMS Vertreter. © by FMS Force Measuring Systems AG, CH-8154 Oberglatt – All rights reserved.

  • Page 2: Table Of Contents

    Configuring the System ................15 Description of the Operating Panel Preparations for System Configuration The default setting for the language is English. Operation ....................18 Operating the EMGZ321 over the Front Panel Display Value Selection State Offset Compensation Procedure Calibration Methods Calibration Procedure: Parameter Setting over the Front Panel ..........
  • Page 3 Operating Manual EMGZ321 Parameterization via a PC (peer-to-peer connection) Mechanical Dimensions ................52 Trouble Shooting..................54 Technical Specification ................55 11.1 Technical Data 11.2 Input / Output Configuration...

  • Page 4: Safety Instructions

    In any case the power supply must be disconnected from the main supply before opening the housing. Proper function of the FMS tension controllers is only guaranteed with the recommended application of the components. In case of other arrangement, heavy malfunction can be the result.
  • Page 5 Operating Manual EMGZ321 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 followed strictly. Bad earth connection may cause electric shock to persons, malfunction of the total system or damage of the control unit.

  • Page 6: System Description

    E321004e 2.2 EMGZ321 Amplifier and its Subunits As a plug & play unit all functions of the EMGZ321 can be configured very easily via a user-friendly control panel and two lines LCD. Tension reference values and all other parameters and functions can be set with keys or remotely via a web browser. The amplifier is then either connected to a network or via a peer-to-peer configuration to a laptop or local PC.
  • Page 7 EMGZ4321 provides a very accurate power supply for the wheatstone bridge. Interface The EMGZ321 can be embedded in an Ethernet network and the communication is via a web browser (Ethernet explorer 7 or higher).

  • Page 8: Emg321 Sub Types

    Operating Manual EMGZ321 2.3 EMG321 Sub Types EMGZ321.R / .S / .W / .W.ACV The tension controller EMGZ321 series is available in three different housing options. EMGZ321.R: Rail mount housing EMGZ321.S: Panel mount housing EMGZ321.W / W.ACV Wall mount housing Detailed information about the mechnical dimensions refer to the outline drawings Fig.

  • Page 9: Quick Installation Guide

    Operating Manual EMGZ321 3 Quick Installation Guide In a Plug & Play configuration the set-up of the EMGZ321 and force sensors is straight forward and limited to only the offset compensation and the calibration procedure. 3.1 Preparations for Set-up 1. Read the Operation Manual of your force measuring sensors and amplifier 2.

  • Page 10: Installation And Wiring

    However, they have to be followed strictly. 4.1 Mounting the Force Measuring Roller Mounting of the force sensors is done according to the FMS installation manual which is delivered together with the force sensors. 4.2 Mounting the EMGZ321 The EMGZ321 series is available in 3 different housing options.

  • Page 11: Wiring The Tension Monitoring System

    Operating Manual EMGZ321 4.3 Wiring the Tension Monitoring System Use the original FMS cables to connect the system components together. The connection between the force sensors and the electronic unit is done with a 2x2x0.25 [AWG 23] cable. The wiring diagrams show how the wiring to the terminals of the electronic unit is done.

  • Page 12: Screw Terminal Arrangement

    Operating Manual EMGZ321 4.4 Screw Terminal Arrangement Fig. 4: Screw terminal arrangement on processor board E321003e...

  • Page 13: Connection Of The Cable Shield

    4.6 Digital Inputs The EMGZ321 controller provides 2 digital inputs for the special functions of switching between two different gain factors. The digital inputs are level triggered. A threshold change activates the gain switch: •...

  • Page 14: Relays Outputs

    Relay 2/2 4.8 Opening the Housing The amplifier versions EMGZ321.W.ACV is supplied by main supply (85 to 264V AC). The housings of these controller versions can be opened by removing the front cover to the screw terminals. This may not be done if the unit is connected to main supply.

  • Page 15: Configuring The System

    Operating Manual EMGZ321 5 Configuring the System After having mounted and wired the tension controller on the machine, the system can now be configured to the specific requirements of the application. 5.1 Description of the Operating Panel Fig. 6: View of the Operating Panel EMGZ309.W...

  • Page 16: Preparations For System Configuration

    Operating Manual EMGZ321 5.2 Preparations for System Configuration In order to facilitate the configuration of the tension monitoring system it is advisable to adapt some basic system parameters to the specific requirement of the application. 1. Adopt password 2. Set the language on the display 3.
  • Page 17 Operating Manual EMGZ321 C) Change the Measuring Units The default tension measuring unit is N (Newton). The user can, however, select another unit before the system is calibrated. Unit 1. Press to select the Parameter Unit. 2. Press again . The display starts flashing indicating that you can now change the...

  • Page 18: Operation

    Operating Manual EMGZ321 6 Operation 6.1 Operating the EMGZ321 over the Front Panel The dual channel amplifier EMGZ321 can go in 5 different states: • Operation State: Amplifier operating • Display Selection: Selection of force values that are displayed • Offset Compensation: Automatic procedure to offset the roller weight •...

  • Page 19: Display Value Selection State

    Operating Manual EMGZ321 6.2 Display Value Selection State There are several options to display force values the individual channels. The user can choose between 4 display forms: S = Sum of sensor A+B A = Force on sensor A D = Difference of sensor ‫׀‬A-B‫׀‬...

  • Page 20: Calibration Methods

    The here determined values are stored in the parameter Gain and NomForce in the Amplifier Parameter Group. If the measuring roller can’t be calibrated with a weight (e.g. due to difficult accessibility) the gain can alternatively be calculate with the FMS Calculator tool and than entered in the corresponding parameter Gain (Amplifier Parameter Group).
  • Page 21 Operating Manual EMGZ321 to store Gain A1. Press Adjust Calibra. 10. The display will show Gain A1 Complete 11. Select with key sensor B and repeat step 3 and 9 to do perform the gain calculation in channel B. 12. If you like to store a second gain factor set (e.g. for a different force measuring roller or for another wrap angle), select with key “Gain A2”...

  • Page 22: Parameter Setting Over The Front Panel

    Parameter setting can be performed via the front panel or via a web browser. The Parametrisation State can only be accessed from the “Operation State”. The EMGZ321 displays only the parameters that are relevant for a used application (see Fig.

  • Page 23: Amplifier Parameter Group

    Operating Manual EMGZ321 7.2 Amplifier Parameter Group With the two procedures “6.3 Offset Compensation” and “6.5 Calibration Procedure” the application specific parameter are determinate and the system calibrated. These parameters are stored in the Amplifier Parameter Group. They can be accessed and changed as described in the following state diagram.

  • Page 24: Description Of Amplifier Parameters

    Operating Manual EMGZ321 7.3 Description of Amplifier Parameters LCD: Offset A Offset A LCD: Offset B Offset B Use: With the Offset Compensation procedure you can automatically compensate the roller weight. It is always performed before the calibration procedure. The value for offsetting the roller weight is stored in the parameter Offset in the parameter group Amplifier.

  • Page 25: Outputs Parameter Group

    Operating Manual EMGZ321 7.4 Outputs Parameter Group In the Outputs Parameter Group all settings regarding the amplifier outputs, output modes and filter can be entered. Fig. 13: Outputs Parameter Group (1 part) E321010e The display shows the unit of measure that was previously selected...
  • Page 26 Operating Manual EMGZ321 Fig. 14: Outputs Parameter Group (2 part) E321011e...

  • Page 27: Description Of Output Parameters

    Operating Manual EMGZ321 7.5 Description of Output Parameters Output value 1 LCD: Output 1 LCD: Output 2 Output value 2 Use: This parameter determines the signal that will be outputted to the analogue outputs and displayed on the LCD. The user can select the sum or the difference of force sensor A and B or each sensor individually.
  • Page 28 Operating Manual EMGZ321 Output Tension LCD: Out1 Ten LCD: Out2 Ten Use: This parameter determines the tension value at the maximum output. Parameter Range Unit Selection Default 100’000.0 1000.0 Filter LCD: Out1Filt LCD: Out2Filt Use: The amplifier provides an upstream low-pass filter to prevent noise and interferences being overlaid to the output signal.

  • Page 29: Relay Parameter Group

    Operating Manual EMGZ321 7.6 Relay Parameter Group Each relay output can individually be configured to check violations of force limits (see “4.7 Relay Outputs”). The following state diagrams described how the relay output parameters con be configured. Fig. 15: State Diagram Relay Parameter Group (1...
  • Page 30 Operating Manual EMGZ321 Fig. 16: State Diagram Relay Parameter Group (2 part) E321013...

  • Page 31: Description Of Relay Parameters

    Operating Manual EMGZ321 7.7 Description of Relay Parameters Relay Output 1 LCD: Relay 1 LCD: Relay 2 Relay Output 1 Use: Each relay output can individually be configured to check violations of force limits (see also “4.7 Relay Outputs”). If a violation is detected an event can be initiated (e.g.
  • Page 32 Operating Manual EMGZ321 Limit Condition Relay Output 1 LCD: LimCond1 Limit Condition Relay Output 2 LCD: LimCond Use: The LimCond1 determines whether the relay output must be activated when over-shooting (> Limit) or under-shooting (< Limit) the value stored in the Parameter Limit 1. Analogously this holds for LimCond2.

  • Page 33: System Parameter Group

    Operating Manual EMGZ321 7.8 System Parameter Group The System Parameter Group contains basic parameters that determine the general characteristics of the amplifier but that don’t influence its performance. Fig. 17: State Diagram System Parameter Group (1 part) E321014e Permanent key pressing expedites the changing speed of the value.
  • Page 34 Operating Manual EMGZ321 Fig. 18: State Diagram System Parameter Group (2 part) E321015e Permanent key pressing expedites the changing speed of the value.
  • Page 35 Operating Manual EMGZ321 Fig. 19: State Diagram System Parameter Group (3 part) E321016e...

  • Page 36: Description System Parameters

    Operating Manual EMGZ321 7.9 Description System Parameters Password LCD: Password Use: The controller can be protected from unauthorised access by means of password. If Password yes is chosen, the system will request the password to change parameters and other setting. The password itself can’t bee changed.
  • Page 37 Operating Manual EMGZ321 Display Filter LCD: Dis.Filt Use: The amplifier provides a lowpass filter to prevent noise disturbing the LSD or to steady high fluctuation of the force values on the display. The parameter Dis.Filt stores the cut off frequency of the filter. The lower the cut off frequency, the more sluggish the display will be.

  • Page 38: Reset To Default Parameters

    SerialNo FMS unique serial number. 7.10 Reset to Default Parameters Factory settings of your EMGZ321 tension controller can be re-established either over the parameter setting menu (see 7.8 “System Parameter Group”) or by holding the two keys at the same time while the controller is powered on.

  • Page 39: Complete Parameter List

    Operating Manual EMGZ321 7.11 Complete Parameter List Amplifier Parameter Group Parameter Unit Selection Default Offset A Offset A Digit -8000 +8000 Nominal force A NomForcA 100’000.0 1000.0 Gain of amp. A Gain A1 0.100 20.000 1.000 Gain of amp. A Gain A2 0.100...
  • Page 40 Operating Manual EMGZ321 Relay Parameter Group Parameter Unit Default Selection Chk A Chk B Assignment of Relay 1 Chk A+B Chk A+B Relay 1 function Chk ‫׀‬A-B‫׀‬ Disable Limit condition < Limit < Limit LimCond1 check Relay 1 > Limit...
  • Page 41 Customer specific versions will be Device Device Code EMGZ321 coded with an additional character EMGZ321 at the basic type number. Version Software Version V1.00 Software version used in this device V1.00 SerialNo 00000532 Every FMS product has his unique Serial Number serial number. 00000532...

  • Page 42: Parameter Setting Via A Pc

    Fig. 20: EMG321configuration in a LAN (Local Area Network). E321017e Note Fig. 21 and 22 show the peer-to-peer connection between PC und EMGZ321. Please be aware that for this configuration a cross-over-cable needs to be used. Fig. 21: Correct connection with cross- Fig 22: Connection with wrong cable over-cable.

  • Page 43: Parameterisation In An Ethernet Network Via Web Browser

    When embedding the EMGZ321 in an Ethernet network uses an IP address in a static block (not assigned by the server). For the integration of an EMGZ321 amplifier in your Ethernet network please contact your IT system administrator. Once the amplifier was integrated in the network you can address the device e.g. with http://192.168.000.090...
  • Page 44 Operating Manual EMGZ321 Fig. 24: Current reading of tension on the output Current reading...
  • Page 45 Operating Manual EMGZ321 Fig. 25: Remote Control Screen to operate the EMGZ321 via Ethernet Remote Control...
  • Page 46 Operating Manual EMGZ321 Fig. 26: Parameter setting Screen Parameters...
  • Page 47 Operating Manual EMGZ321 Fig. 27: Offset Compensation and Calibration via web browser E309006e...
  • Page 48 Operating Manual EMGZ321 Fig. 28: Ethernet settings Fig. 29: System settings...
  • Page 49 This paragraph describes the procedure for setting up a desktop or laptop computer to communicate with FMS EMGZ321 amplifier Before connecting the FMS EMGZ321 amplifier with a “cross over cable” directly to a PC, the computer must be configured with a “static” IP address that lets it recognize the EMGZ321 amplifier.
  • Page 50 Operating Manual EMGZ321 The following dialog box will appear. Make sure the “General” tab is selected. Select the radio button “Use the following IP address:” In the IP address box enter the IP address for the computer that could be 192.168.0.1.
  • Page 51 Operating Manual EMGZ321 Click the “OK” button. The following dialog box will appear again:...
  • Page 52 2. Open Microsoft Internet Explorer or Mizilla Firefox. 3. The default IP address for the EMGZ321 is 192.168.000.090 as long as it was not changed over the operating penal. Enter the IP address in the address bar and hit the Enter key.
  • Page 53 Operating Manual EMGZ321 Fig. 31: Outline Drawing for EMGZ321.S panel mount housing C309002e Fig. 32: Outline Drawing for EMGZ321.W and EMGZ321.W.ACV wall mount housing C309003...
  • Page 54 Display is dark and the No supply voltage Check your wiring (ref. to paragraphs 4.3 and 4.4). amplifier does not respond to key commands. Amplifier does not Electronic boards or Contact service department of FMS respond to key key foil defective. commands.
  • Page 55 Weight EMGZ321.R: 0.57kg; EMGZ321.S: 0.40kg EMGZ321.W: 072kg; EMGZ321.W.ACV: 1.10kg 11.2 Input / Output Configuration EMGZ321 Series Input / Output Configuration 1 sensor with strain gauges @ 350 Ω Analogue input 1 (0…9 mV, max. 12.5 mV) 1 sensor with strain gauges @ 350 Ω...
  • Page 56 Operating Manual EMGZ321 FMS Force Measuring Systems AG FMS Italy FMS USA, Inc. FMS UK Aspstrasse 6 Via Baranzate 67 2155 Stonington Ave. Suite 119 Highfield, Atch Lench Road 8154 Oberglatt (Switzerland) I-20026 Novate Milanese Hoffman Estates, IL 60169 USA Church Lench Tel.

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