Logitech Electronics 2000 MKII Series User Manual
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Summary of Contents for Logitech Electronics 2000 MKII Series
- Page 1 2000 ™ MKII SERIES Counters Model 2000C User Guide ...
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Page 2: Table Of Contents
Contents Specification ..........3 General description . -
Page 3: Specification
Specification Display 6 decade and sign 7-segment red LED, 10mm high Decimal point Programmable from front panel Scaling Programmable via front panel, retained in non-volatile memory. Signal inputs Standard (Count Up and Count Down) Standard sensitivity 180mV to 10V — protected to 100V Frequency 0—100kHz Impedance... -
Page 4: General Description
General Description 2000T ™ Counters are 6-decade seven segment high brightness red LED display MKII SERIES instruments based on the industry standard 8051 series architecture microprocessor. They are built into half DIN (96 mm x 48 mm) panel mounting housings and can be supplied to operate on 115V or 230V AC or 24V DC power supplies (see Transformer Connections on page 5). -
Page 5: Safety Information For Eu Users
Safety Information for EU Users WARNING This instrument must be earthed when powered from a mains supply (see also Mains Earth on page 8). Refer to the rating label for the pre-set voltage and ensure that the instrument voltage corresponds to the intended supply voltage. Important: The wires in the power lead fitted to mains instruments are coloured in accordance with the following code: Green... -
Page 6: Switches And Connections
Switches and Connections RUN/SET Switch This switch is located in the top right hand corner of the front panel and is used to switch the instrument between normal RUN mode to SET mode in order that the user programmable factors can be entered. -
Page 7: Switches
0–9 Switch Located under each decade, these switches are used to set the value of all programmable parameters. Each depression increments the display one digit. Holding the switch depressed steps the display through at a pre-determined rate. +/- Switch Located at the lower left hand corner of the front panel, this switch selects negative values when required by displaying a negative sign. -
Page 8: Control Inputs (Rst, Stp, Go)
Control inputs (RST, STP, GO) Depending on the mode of operation requested at the time of ordering, a 2000C can be factory set to enable operate of these functions in one of two ways: Fully manually controlled The control inputs are activated by momentarily connecting to 0V. After a reset signal (or immediately after the instrument is turned on) a START signal must be applied before the instrument will accept count signals. -
Page 9: Programming The Instrument
Programming the Instrument Setting a scaling factor Once a scaling factor has been set it is retained in memory upon power down. When power is reinstated the unit will immediately be ready for operation without need for a reset command. If no scaling factor has been set, when power is applied the unit will enter the SET mode (operation of the unit without a pre-set scaling factor is not possible). -
Page 10: Using The Offset Facility
Using the OFFSET facility (setting the decimal point in the display) After setting the scaling factor, if the function button FUNC is pressed the display will show OFFSET for one second followed by the value contained in memory. The digits and decimal point position are altered as above and the position set for the decimal point is the position of the decimal point in the final display. -
Page 11: Output Options And Use On External Dc Supplies
Output Options: DC or Analogue 0–1V, 0–5V, 0–20mA, or 4–20mA outputs When Counters are fitted with any of these options the output is available via a red (+ve) and a black (-ve) socket on the rear panel. Note: Outputs are proportional to the display reading, not the input signal. With the Counter in the SET mode, each depression of the FUNC switch will step through the parameters in the following sequence: SCALE... -
Page 12: Diagrams
Diagrams Front Panel Layout Note: On instruments with the SINGLE switch set option only the FUNC switch is accessible unless the bezel and front panel are removed Rear panel layout Sensitivity Control 2000C- v3.1 01/2020 ! 12 MKII... -
Page 13: Connection Diagrams - Typical Applications
Connection diagrams – typical applications Variable reluctance Magnetic Pick-ups Single-input operation Dual-input operation 2000C- v3.1 01/2020 ! 13 MKII... - Page 14 Electronic Sensors and Rotary Encoders Photo-electric sensor or Proximity probe Digitising encoder (shown with optional Measuring Wheel) 2000C- v3.1 01/2020 ! 14 MKII...
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Page 15: Additional Information
Additional Information Electromagnetic Precautions Logitech have designed in a great deal of noise immunity into the product in accordance with EN5001-2 and EN5002-2 (radiated emissions, conducted emissions, ESD, radiated susceptibility and fast burst transient testing) However it is still vital to use good EMC (Electromagnetic Compatibility) techniques on installation of both this and other associated electronic equipment and sensors in order to ensure reliable operation. -
Page 16: Warranty
Counters carry a two year warranty that is only valid where there is no damage MKII SERIES caused by accident, negligence, misapplication, or repairs/modifications attempted by unauthorised personnel. The warranty only extends to the original user. Copyright © Logitech Electronics Limited 1994 to 2017 Document No: 2000C- _hb v3.0 August 2017...
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