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montwill MB2-2V User Manual

Direct current / direct voltage signals 0-20 ma, 4-20 ma, 0-10 vdc
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User manual MB2-2V
Direct current / direct voltage signals 0-20 mA, 4-20 mA, 0-10 VDC
Technical features:
• red display of -19999...99999 digits
• red 55 points bargraph
• adjustable bar or dot operation or operation with permanent display of center point
• min/max memory
• 30 additional adjustable setpoints
• display flashing at threshold value exceedance/undercut
• zero-key for triggering of HOLD, TARA
• permanent min/max-value recording
• volume metering (totalisator)
• mathematical functions like reciprocal value, square root, squaring or rounding
• setpoint generator
• sliding averaging
• brightness control
• programming interlock via access code
• protection class IP65 at the front
• plug-in screw terminal
• 2 relay outputs (changer)
• optional: sensor supply and digital input
• optional: analog output
• optional: interfaces RS232 or RS485
• accessories: PC-based configuration kit PM-TOOL with CD and USB-adaptor for devices
without keypad and for a simple adjustment of standard devices
MB2_21GB.pdf updated: 25.04.2012
96x96

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  • Page 1 User manual MB2-2V Direct current / direct voltage signals 0-20 mA, 4-20 mA, 0-10 VDC Technical features: • red display of -19999…99999 digits • red 55 points bargraph • adjustable bar or dot operation or operation with permanent display of center point •...
  • Page 2 Identification STANDARD TYPES ORDER NUMBER Direct current / direct voltage MB2-2VR5RR.0001.S72AD Housing size: 96x96 mm MB2-2VR5RR.0001.W72AD Options – break-down ordering code: M B 2- 2 V R 5 R R. 0 0 0 1. W 7 2 A Standard type M-Line Dimension physical unit Bargraph...

  • Page 3: Table Of Contents

    Contents Brief description Assembly Electrical connection Description of function and operation 4.1. Programming software PM-TOOL Setting up the device 5.1. Switching on 5.2. Standard parameterisation (flat operation level) Value assignment for the triggering of the signal input of the digital display and bargraph display 5.3.

  • Page 4: Brief Description

    1. Brief description 1. Brief description The panel meter instrument MB2-2V is a 5-digit digital display with a 55 points bargraph display and two galvanic insulated setpoints; designed for direct current/direct voltage signals. The configuration happens via four keys at the front. The integrated programming interlock prevents unrequested changes of parameters and can be unlocked again with an individual code.

  • Page 5: Assembly

    2. Assembly 2. Assembly Please read the Safety advice on page 37 before installation and keep this user manual for future reference. After removing the fixing elements, insert the device. Check the seal to make sure it fits securely. Click the fixing elements back into place and tighten the clamping screws by hand. Then use a screwdriver to tighten them another half a turn.

  • Page 6: Electrical Connection

    3. Electrical connection 3. Electrical connection...
  • Page 7 3. Electrical connection Connection examples MB2-2V devices with current input / voltage input MB2-2V-devices with current input / voltage input and sensor supply...

  • Page 8: Description Of Function And Operation

    4. Description of function and operation 4. Description of function and operation 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 9 4. Description of function and operation Function chart: 4.1 Parameterisation software PM-TOOL: Part of the PM-TOOL are the software on CD and the USB-cable with device adapter. The connection is done via a 4-pole micromatch-plug on the back side of the device, to the PC-side the connection ist done via an USB plug.

  • Page 10: Programming Software Pm-Tool

    5. Setting up the device 5. Setting up the device 5.1. Switching on Once the installation is complete, you can start the device by applying the voltage supply. Before, check once again that all electrical connections are correct. Starting sequence For 1 second during the switching-on process, the segment test (8 8 8 8 8) is displayed followed by an indication of the software type and, after that, also for 1 second the software version.
  • Page 11 5. Setting up the device Menu level Parameterisation level Setting the decimal point, dot: Default: 0 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, SEC: Default: 1.0 then...
  • Page 12 5. Setting up the device Menu level Parameterisation level Selection of analog output, Out.rA: Default: 4-20 Three output signals are available: 0-10 VDC, 0-20 mA and 4-20 mA, with this function, the demanded signal is selected. Setting up the final value of the analog output, Out.En: Default: 10000 The final value is adjusted from the smallest digit to the highest digit with [▲] [▼] and digit by digit confirmed with [P].
  • Page 13 5. Setting up the device Menu level Parameterisation level Function for threshold value undercut /exceedance, Fu-1: Default: high A limit value undercut is selected with Louu (for LOW = lower limit value), a limit value exceedance with High (for HIGH = higher limit value). If e.g. limit value 1 is on a threshold level of 100 and allocated with function High, an alarm is activated by reaching of the threshold level.

  • Page 14: Programming Interlock „Run

    5. Setting up the device Menu level Parameterisation level User code (4-digit number-combination, free available), U.CodE: Default: 0000 If this code was set (>0000), all parameters are locked for the user, if LOC has been selected before under menu item run. By pressing [P] for 3 seconds in operation mode, the display shows COde.

  • Page 15: 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, TYPE: Default: sens.u There are several measuring input options: 0-20 mA, 4-20 mA or 0-10 VDC signals as works calibration (without application of the sensor signal) and SenSU (voltage) or SENSA (current) as sensor calibration (with the sensor applied).
  • Page 16 5. Setting up the device Menu level Parameterisation level Setting up the display time, SEC: Default: 1.0 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. The display then switches back to the menu level again.
  • Page 17 5. Setting up the device Menu level Parameterisation level Display values for setpoints, dIS.01 … dIS.30: Under this parameter setpoints are defined according to their value. At the sensor calibration, like at Endwert/Offset, one is asked at the end if a calibration shall be activated. Analog values for setpoints, InP.01 …...

  • Page 18: General Device Parameters „Fct

    5. Setting up the device 5.4.2. General device parameters Menu group level Menu level Menu level Parameterisation level Display time, DISEC: Default: 01.0 then The display is set up with [▲] [▼]. Thereby it switches up to 1 second in increments of 0.1 seconds and up to 10.0 seconds in increments of 1.0.
  • Page 19 5. Setting up the device Menu level Parameterisation level Zero point slowdown, ZErO: Default: 00 At the zero point slowdown, a value range around the zero point can be preset, so the display shows a zero. If e.g. a 10 is set, the display would show a zero in the value range from -10 to +10;...
  • Page 20 5. Setting up the device Menu level Parameterisation level Brightness control, Light: Default: 10 The brightness of the display can be adjusted in 16 levels from 00 = very dark to 15 = very bright via this parameter or alternatively via the navigation keys from the outside. During the start of the device, the level that is deposited under this parameter will always be used, even though the brightness has been changed via the navigation keys in the meantime.
  • Page 21 5. Setting up the device Menu level Parameterisation level Special function [O]-key, tASt.4: Default: no … For the operation mode, special functions can be deposited on the [O]-Taste. This function is activated by pressing the key. With tArA the device is set temporarily on a parameterised value. The device acknowledges the correct taring with oo0oo in the display.

  • Page 22: Bargraph Functions „Bar

    5. Setting up the device 5.4.3. Bargraph functions Menu group level Menu level Menu level Parameterisation level Bargraph, Ba.src: Default: actua With this function the following values can be allocated to the display: the current measuring value, min/max value, totaliser value or the process-controlled hold-value, the sliding average value, the constant value or the difference between constant value and current value of the display.
  • Page 23 5. Setting up the device Menu level Parameterisation level Bargraph alarm, ba.l1m: Default: no If the alarms are triggered (AL1 to Al4), a flashing of the dots can be assigned to the bargraph by selecting Flash. If No was adjusted the bargraph remains statical. With [P] the selection is confirmed and the device changes into menu level.

  • Page 24: Safety Parameters „Cod

    5. Setting up the device 5.4.4. Safety parameters Menu group level Menu level Menu level Parameterisation level Setting up the user code, U.Code: Default: 0000 Via this code, reduced sets of parameters out.le and al.lev can be unlocked, in case of a locked programming.

  • Page 25: Serial Parameters „Ser

    5. Setting up the device Menu level Parameterisation level Back to menu group level, rEt: With [P] the selection is confirmed and the device changes into menu group level „– COD –“. 5.4.5. Serial parameters Menu group level Menu level Menu level Parameterisation level Device address, ADDR:...

  • Page 26: Analog Output Parameters „Out

    5. Setting up the device 5.4.6. Analog output parameters Menu level group Menu level Menu level Parameterisation level Selection reference of analog output, OutPt: Default: actua The analog output signal can refer to different functions, in detail these are the current measurand, the min-value, the max-value, the totaliser-/sum function, the constant value or the difference between current measurand and constant value.
  • Page 27 5. Setting up the device Menu level Parameterisation level Overflow behaviour, O.FLoU: Default: edge To recognise and evaluate faulty signals, e.g. by a controller, the overflow behaviour of the analog output can be defined. As overflow can be seen either EdGE, that means the analog output runs on the set limits e.g.

  • Page 28: Relay Functions „Rel

    5. Setting up the device 5.4.7. Relay functions Menu group level Menu level Menu level Parameterisation level Alarm relay 1, rEL-1: Default: al-1 …. …. Each setpoint (optional) can be linked up via 4 alarms (by default). This can either be inserted at activated alarms Al-1/4 or de-activated alarms Aln1/4.
  • Page 29 5. Setting up the device Menu level Parameterisation level Alarms for relay 1, CoM-1: Default: a.1 …. The allocation of the alarms to relay 1 happens via this parameter, one alarm or a group of alarms can be chosen. This parameter is only available if LOGIC was selected under REl-1. With [P] the selection is confirmed and the device changes into menu level.

  • Page 30: Alarm Parameters „Al1

    5. Setting up the device Menu level Parameterisation level Alarms for relay 2, CoM-2: Default: a.2 …. The allocation of the alarms to relay 1 happens via this parameter, one alarm or a group of alarms can be chosen. This parameter is only available if LOGIC was selected under REl-1. With [P] the selection is confirmed and the device changes into menu level.
  • Page 31 5. Setting up the device Menu level Parameterisation level Threshold values / Limit values, LI-1: Default: 2000 The limit value defines the threshold, that activates/deactivates an alarm. Hysteresis for threshold values, HY-1: Default: 00000 The delayed reaction of the alarm is the difference to the threshold value, which is defined by the hysteresis.

  • Page 32: Totaliser (Volume Metering) „Tot

    5. Setting up the device 5.4.9. Totaliser (Volume metering) Menu group level Menu level Menu level Parameterisation level Totaliser state, total: Default: off The totaliser makes measurements on a time base of e.g. l/h possible, at this the scaled input signal is integrated by a time and steadily (select Stead) or temporarily (select temp) safed.

  • Page 33: Reset To Factory Settings

    6. Reset to default values Menu level Parameterisation level Totaliser reset, tot.re: Default: 000 The reset value is adjusted from the smallest to the highest digit with the navigation keys [▲] [▼] and digit per digit confirmed with [P]. After the last digit, the display switches back to the menu level.

  • Page 34: Alarms / Relay

    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.

  • Page 35: Interfaces

    8. Interfaces 8. Interfaces The interface RS485 is connected via a screened data line with twisted wires (Twisted-Pair). On each end of the bus segment a termination of the bus lines needs to be connected. This is neccessary to ensure a secure data transfer to the bus. For this a resistance (120 Ohm) is interposed between the lines Data B (+) and Data A (–).

  • Page 36: Sensor Alignment

    9. Sensor alignment offset / final value 9. Sensor alignment offset / final value The device is equipped with a semi-automatic sensor calibration (SENSu/SENSa). A switching output operates the trimming resistor, which exists in some sensors. An adjustment of offset and final value takes place, after which the sensor can be used directly.

  • Page 37: Technical Data

    10. Technical data 10. Technical data Panel meter Dimensions 96x96x56 mm (BxHxD) 96x96x82 mm (BxHxD) including plug-in terminal +0.6 +0.6 Panel cut-out 91.0 x 91.0 Wall thickness up to 10 mm Fixing screw elements Material LEXAN 500R, black Sealing material EPDM, 65 Shore, black Protection class standard IP65 (front), IP00 (back side)
  • Page 38 10. Technical data Output Sensor supply 24 VDC / 50 mA; 12 VDC / 50 mA; 5 VDC / 20 mA Analog output 0/4-20 mA /burden 350 Ω or 0-10 VDC / 10 kOhm, 16 Bit Switching outputs Relay with change-over contacts 250 VAC / 5 AAC;...

  • Page 39: Safety Advices

    Please inform the supplier immediately of any damage. Installation The MB2-2V-device must be installed by a suitably qualified specialist (e.g. with a qualification in industrial electronics). Notes on installation • There must be no magnetic or electric fields in the vicinity of the device, e.g. due to transformers, mobile phones or electrostatic discharge.

  • Page 40: Error Elimination

    12. Error elimination 12. Error elimination Error description Measures The unit permanently indicates • The input has a very high measurement, check overflow. the measuring circuit. • With a selected input with a low voltage signal, it is only connected on one side or the input is open. •...

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