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montwill M2 Series User Manual

Strain gauge amplifier with a calibration for 350 o melt pressure sensors
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User manual M2
Strain gauge amplifier with a calibration for 350 Ω melt pressure sensors
Technical features:
• red display of -19999...99999 Digits (optional: green, orange or blue display)
• minimal installation depth: 70 mm without plug-in screw terminal
• min/max-memory
• 30 additional adjustable supporting points
• display flashing at threshold value exceedance / threshold value undercut
• zero-key for triggering of hold, Tara or sensor alignment
• digital input for triggering of hold, Tara or sensor alignment
• permanent min/max-value recording
• sensor alignment with integrated switching output
• mathematic functions like reciprocal value, square root, squaring or rounding
• sliding average determination
• brightness control
• programming interlock via access code
• protection class IP65 at the front side
• plug-in screw terminal
• optional: 2 relay outputs
• accessories: PC-based configuration-kit PM-TOOL with CD & USB-adapter for devices
without keypad and for a simple adjustment of standard devices
M2_1MGB.pdf update: 28.05.2020
96x48

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Summary of Contents for montwill M2 Series

  • Page 1 User manual M2 Strain gauge amplifier with a calibration for 350 Ω melt pressure sensors Technical features: • red display of -19999…99999 Digits (optional: green, orange or blue display) • minimal installation depth: 70 mm without plug-in screw terminal • min/max-memory •...
  • Page 2 Identification STANDARD TYPES ORDER NUMBER Weighing technology – strain gauges M2-1MR5B.020X.570xD Housing size: 96x48 mm M2-1MR5B.020X.670xD Options – breakdown product key: M 2- 1 M R 5 B. 0 2 0 X. 6 7 2 x D Standard type M-line Dimension D physical unit Installation depth...

  • Page 3: Table Of Contents

    Contents 1. Brief description 2. Assembly 3. Electrical connection 4. Functions and operation description 4.1. Programming software PM-TOOL 5. Setting up the device 5.1. Switching on 5.2. Standard parameterisation (flat operation level) Value assigment for triggering of the singal input 5.3.

  • Page 4: Brief Description

    1. Brief description 1. Brief description The panel meter M2-1M is a 5-digit device for the connection to a 4-wire-measuring bridge with calibration contact (80% alignment) and a visual threshold value monitoring via the display. The configuration happens via four front keys or via the optional PC software PM- TOOL.

  • Page 5: Assembly

    2. Assembly 2. Assembly Please read the Safety advices on page 30 before installation and keep this user manual for future reference. Gap for physical unit 1. After removing the fixing elements, insert the device. 2. Check the seal to make sure it fits securely. 3.

  • Page 6: Electrical Connection

    3. Electrical connection 3. Electrical connection Type M2-1MR5B.020X.470xD supply of 115 VAC Type M2-1MR5B.020X.570xD supply of 230 VAC Type M2-1MR5B.020X.670xD supply of 10-30 VDC 10-30 VDC 115 VAC 230 VAC Digital input Options: Relay 1 Relay 2...

  • Page 7: Functions And Operation Description

    4. Function and operation description 4. Function and operation description Operation The operation is divided into three different levels. Menu level (delivery status) This level is for the standard settings of the device. Only menu items which are sufficent to set the device into operation are displayed.

  • Page 8: Programming Software Pm-Tool

    4. Function and operation description Function chart: 4.1 Parameterisation software PM-TOOL: Part of the PM-TOOL are the software on CD and one USB-cable with device adapter. The connection happens via a 4-pole micromatch-plug on the back side of the device, to the PC- side the connection happens via an USB plug.

  • Page 9: Setting Up The Device

    5. Setting up the device 5. Setting up the device 5.1. Switching-on Once the installation is complete, start the device by applying the voltage supply. First, check once again that all electrical connections are correct. Starting sequence For 1 second during the switching-on process, the segment test ( ) is displayed followed by an indication of the software type and, after that, also for 1 second the software version.
  • Page 10 5. Setting up the device Menu level Parameterisation level Setting the comma, decimal point, Default: The decimal point on the display can be moved with [▲] [▼] and confirmed with [P]. The display then switches back to the menu level again. Setting up the display time, Default: then...
  • Page 11 5. Setting up the device Menu level Parameterisation level Special function digital input, Default: … The above shown parameters can be set for the operation mode onto the optional digital input aswell. See function description Threshold values / limit values, Default: This limit value defines the threshold, that leads to an activation / deactivation of the alarm.
  • Page 12 5. Setting up the device Menu level Parameterisation level Threshold values / limit values, Default: This limit value defines the threshold, that leads to an activation / deactivation of the alarm. Hysteresis for threshold values, Default: The difference to the threshold value that causes the delay of the actuation of the alarm, is defined by the hysteresis.

  • Page 13: Programming Interlock

    5. Setting up the device Menu level Parameterisation level Master code (4-digit number-combination free available), Default: After has been activated under menu item , this code can be used for unlocking all parameters. By pressing [P] for approx. 3 seconds in operation mode, the message is shown in the display and offer the user access to all parameters by entering...

  • Page 14: Extended Parameterisation (Professional Operation Level)

    5. Setting up the device 5.4. Extended parameterisation (Professional operation level) 5.4.1. Signal input parameters Menu group level Menu level Menu level Parameterisation level Selection of the input signal, Default: There are 3 measuring input options available for known sensor sensibilities: for 1mV/V, for 2mV/V and for 3,3mV/V.
  • Page 15 5. Setting up the device Menu level Parameterisation level Setting up the display time, Default: then The display time is set with [▲] [▼]. The display moves up in increments of 0.1 sec up to 1 sec and in increments of 1.0 sec up to 10.0 sec. Confirm the selection by pressing the [P] button.
  • Page 16 5. Setting up the device Menu level Parameterisation level Number of additional setpoints, Default: 30 additional setpoints can be defined to the initial value and final value, so linear sensor values are not linearised. Only activated setpoint parameters are displayed. Display values for setpoints, Here, setpoints are defined according to their value.

  • Page 17: General Device Parameter

    5. Setting up the device 5.4.2. General device parameters Menu group level Menu level Menu level Parameterisation level Display time, Default: then The display time is set up with [▲] [▼]. Thereby you switch up to 1 second in increments of 0.1 and up to 10.0 seconds in increments of 1.0. With [P] the selection is confirmed and the device changes into menu level.
  • Page 18 5. Setting up the device Menu level Parameterisation level Sliding average determination, Default: Under this menu item, the number of measurements that need to be averaged are preset. The averaging time results from the product of measuring time and the averaged measurements .
  • Page 19 5. Setting up the device Menu level Parameterisation level Display flashing, Default: A display flashing can be added as additional alarm function either to single or to a combination of off-limit condition. With , no flashing is allocated. Assignment (deposit) of key functions, Default: For the operation mode, special functions can be deposited on the navigation keys [▲] [▼], in particular this function is made for devices in housing size 48x24mm...
  • Page 20 5. Setting up the device Menu level Parameterisation level Special function [O]-key, Default: … For the operation mode, special functions can laid be on the [O]-key. Activate this function by pushing the key. With the display is tared to zero and is saved permanently as offset.

  • Page 21: Safety Parameter

    5. Setting up the device Menu level Parameterisation level Back to menu group level, With [P] the selection is confirmed and the device changes into menu group level 5.4.3. Safety parameters Menu group level Menu level Menu level Parameterisation level Adjustment of user code, Default: Via this code reduced sets of parameters...

  • Page 22: Relay Functions

    5. Setting up the device Menu level Parameterisation level Back to menu group level, With [P] the selection is confirmed and the device changes into menu group level „ 5.4.4. Relay functions Menu group level Menu level Menu level Parameterisation level Alerting relay 1, Default: ….
  • Page 23 5. Setting up the device Menu level Parameterisation level Logic relay 1, Default: Here, the switching behaviour of the relay is defined via a logic link, the following schema describes these functions with inclusion of : This parameter can only be selected if was selected under A1 v A2 As soon as a selected alarm is activated, the...
  • Page 24 5. Setting up the device Menu level Parameterisation level Logic relay 2, Default: Here, the switching behaviour of the relay is defined via a logic link, the following schema describes these functions with inclusion of : This parameter can only be selected if was selected under A1 v A2 As soon as a selected alarm is activated, the...

  • Page 25: Alarm Parameter

    5. Setting up the device 5.4.5. Alarm parameters Menu group level Menu level Menu level Parameterisation level Depedency of alarm.1, Default: The dependency of alarm.1 can be related to special functions, in detail these are the current measurand, the min-value, the max-value, the absolute value or the sliding average value.
  • Page 26 5. Setting up the device Menu level Parameterisation level Function for threshold value exceedance/undercut, Default: The limit value undercut can be selected with (LOW = lower limit value) and limit value exceedance can be selected with (HIGH = upper limit value). If e.g. limit value 1 is on a switching threshold of 100 and occupied with function , the alarm will be activated by reaching the threshold.

  • Page 27: Reset To Factory Settings

    6. Reset to factory settings Programming interlock: Menu-group level Description see page 10, menu-level 6. Reset to factoty settings To return the unit to a defined basic state, a reset can be carried out to the default values. The following procedure should be used: •...

  • Page 28: Alarms / Relays

    7. Alarms / Relays 7. Alarms / Relays This device has 4 virtual alarms that can monitor one limit value in regard of an undercut or exceedance. Each alarm can be allocated to an optional relay output S1-S2; furthermore alarms can be controlled by events like e.g. Hold or min/max-value. Function principle of alarms / relays Alarm / Relay x Deactivated, instantaneous value, min/max-value, Hold-value,...
  • Page 29 7. Alarms / Relays Quiescent current By quiescent current the alarm S1-S2 is on below the threshold and switched off on reaching the threshold. Switching-on delay The switching-on delay is activated via an alarm and e.g. switched 10 seconds after reaching the switching threshold, a short-term exceedance of the switching value does not cause an alarm, respectively does not cause a switching operation of the relay.

  • Page 30: Sensor Alignment

    8. Sensor calibration offset / final value 8. Sensor calibration offset / final value The device has an automatic calibration at mass pressure sensors, where an integrated switching output operates an often available 80% calibration. Like this offset and final value are adjusted, and the sensor can be applied directly after this.

  • Page 31: Technical Data

    9. Technical data 9. Technical data Housing Dimensions 96x48x70 mm (BxHxD) 96x48x89 mm (BxHxD) including plug-in terminal +0.8 +0.6 Panel cut-out 92.0 x 45.0 Wall thickness up to 15 mm Fixing screw elements Material PC Polycarbonate, black, UL94V-0 Sealing material EPDM, 65 Shore, black Protection class standard IP65 (front), IP00 (back side)
  • Page 32 9. Technical data Accuracy Temperature drift 100 ppm / K Measuring time 0.1…10.0 seconds Measuring principle U/F-conversion Resolution approx. 18 bit at 1s measuring time, 3.3 mV/V measuring range Outputs Switching outputs Relay with change-over 250 VAC / 5 AAC; 30 VDC / 5 ADC contacts 30 x 10 at 5 AAC, 5 ADC Ohm resistive burden...

  • Page 33: Safety Advices

    10. Safety advices 10. Safety advices Please read the following safety advices and the assembly chapter 2 before installation and keep it for future reference. Proper use The M2-1M device is designed for the evaluation and display of sensor signals. Attention! Careless use or improper operation can result in personal injury and/or cause damage to the equipment.

  • Page 34: Error Elimination

    11. Error elimination 11. Error elimination Error description Measures The unit permanently indicates • The input has a very high measurement, overflow. check the measuring circuit. • With a selected input with a low voltage signal, it is only connected on one side or the input is open.
  • Page 36 M2_1MGB.pdf update: 28.05.2020...

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M2-1mr5b.020x.570xdM2-1mr5b.020x.670xd

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