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WOBIT MD150E Instruction Manual

Digital processing counter with display for angle, velocity and distance measurement
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MD150E Instruction
Manual
Digital processing counter with display
for angle, velocity and distance measurement
P.P.H. WOBIT E.K.J OBER. s.c.
62-045 Pniewy, Dęborzyce 16
tel.(061) 22 27 422, fax.(061) 22 27 439
e-mail:
wobit@wobit.com.pl
www.wobit.com.pl

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Summary of Contents for WOBIT MD150E

  • Page 1 MD150E Instruction Manual Digital processing counter with display for angle, velocity and distance measurement P.P.H. WOBIT E.K.J OBER. s.c. 62-045 Pniewy, Dęborzyce 16 tel.(061) 22 27 422, fax.(061) 22 27 439 e-mail: wobit@wobit.com.pl www.wobit.com.pl...

  • Page 2: Table Of Contents

    Based on the information should not be inferred a certain features or suitability for a particular application. This information does not release the user from the obligation of own judgment and verification. P.P.H. WObit E.K.J. Ober S.C. reserves the right to make changes without prior notice.

  • Page 3: Safety And Assembly Rules

    • Avoid routing control (signal) cables in parallel with or in close vicinity of power and supply cables. • Avoid close vicinity of devices generating high level of electromagnetic and/or pulse interference (high power loads, loads with phase or group power regulation). MD150E – pulses and velocity counter (02.06.2014)

  • Page 4: Device Description

    MD150E can define signal frequency and scale counted values into required unites (rpm, rps, mm, m, deg, etc.) With two relay outputs the user is able to set thresholds as desired. MD150E is also equipped with additional input for resetting counter state.

  • Page 5: Power Supply

    Protective signal (230V version) 2.3 Power supply MD150E counter is available in two versions of power supply – low voltage (12…36 VDC) and high voltage ( 85…260V AC) supplied directly from mains electricity ~230V. For ~230V version on 13 (V+) clamp is available +15V voltage, which can be used for supplying sensor.

  • Page 6: Input Signals - Way Of Connection

    CLOCK/DIRECTION signals for controlling servomotors and stepper motor drivers For controlling servomotors and stepper motor drivers often are used CLOCK/DIR signals. This signal can be connected directly to MD150E counter, then it can be used for direct indication of motor position/velocity.

  • Page 7: Counter Indications - Pulses / Cycles / Velocity

    Way of connection external signals to MD150E counter depends on used sensor output type. Below are shown exemplary ways of connection. Picture. 1 Connection of +5V encoder with output RS422 type Picture.

  • Page 8: Menu Description

    CAUTION: Appearing of blinking measured value on display preceded by C means overfilling of result value (the result don’t fit in 6 position display). To display older part of the result press utton. MD150E – pulses and velocity counter (02.06.2014)

  • Page 9: Example Of Parameter Change

    3.2 Example of parameter change After correct connection of external elements and switching power supply on MD150E counter is ready for operation with previously used settings, and in case of first operation – with factory settings. 1. P1 In order to enter programming mode, press .
  • Page 10 This mode is designed mostly for use with external devices or with sensors with mentioned above signals. Picture. 6 Meaning of A/B external signals in dependence on input mode (7. In parameter). MD150E – pulses and velocity counter (02.06.2014)

  • Page 11: Calibration Of Counted Pulses

    -99.9999 up to 99.9999. 4.3 Measurement of pulses frequency (velocity) MD150E counter provides readout of counted pulses frequency, which allows e.g. to define rotational or linear speed of measured object with build-in sensor generating pulses. To provide correct velocity indication in set units (e.g..

  • Page 12: Record Of Counter State

    Cycle counter state (L) is not saved. 4.7 Relay outputs and operation modes MD150E counter has two relay outputs PK1 and PK2, which can be turned on/off in dependence on counter state and operation mode. For configuration relay outputs you can use parameters listed below: 1.
  • Page 13 This mode is dedicated for application in cutting machines for counting length and number of cut elements. Picture. 7 Example of length measurement application with MD150E used for counting material cut offs in a production line.  Mode 4 (nodE 4) – Absolute controlled by velocity Activation of PK1 and PK2 outputs follows when velocity counter exceed (pulses frequency) values settings.

  • Page 14: Password Protection

    (e.g. high interference of power grid) the communication may not be possible. RS485 (MODBUS-RTU) interface MD150E counter is equipped with RS485 interface. It can be used for connection with PLC controller, HMI panel or other device supporting MODBUS-RTU protocol. MD150E – pulses and velocity counter (02.06.2014)

  • Page 15: Description Of Modbus Protocol

    Default transmission parameters:  Speed: 38400bps, Bits: 8, Stop Bits: 1, parity: none  Address Modbus: 1 Transmission speed and MD150E counter address in MODBUS-RTU network can be set with the following parameters: 12. RS1 baudrate setting MODBUS (9600, 19200, 38400, 57600, 115200) 13.

  • Page 16: Technical Parameters

    Min. length of reset signal RST 1ms (off-line filtration) 10ms (filtration activated) Relay outputs PK1, PK2 2 x 1A/125VAC, 2A/30VDC Interfaces RS485 MODBUS-RTU, default parameters 38400bps, 8:n:1, USB: 1.1, 2.0 Operation temperature range 0..50 MD150E – pulses and velocity counter (02.06.2014)
  • Page 17 Display 6 digits, height13.5 mm Housing Height: 45 mm Width: 92 mm Length: 81 mm Weight 200g (300g for 230V version) IP class IP40, for front panel– IP65 Universal password 3145 MD150E – pulses and velocity counter (02.06.2014)

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