4 Digit Up/Down LED Counter (Preset - Memory - 2 Relays - 13mm Digits) 4 Digit Up/Down LED Counter (Preset - Memory - 2 Relays - 13mm Digits) Smart Kit Electronics General purpose Up / Down event counter with Preset and two mains rated relay outputs - one for Up count Preset and one for Down count reaching zero. Suitable for us in a wide range of process control applications... Electronics > Circuit Components > Printed Circuit Boards > Development Boards 1172KT 1172KT 65.94 Quasar Electronics Limited

4 Digit Up/Down LED Counter (Preset - Memory - 2 Relays - 13mm Digits)

AS1172KT - 4 Digit Up/Down LED Counter (Preset - Memory - 2 Relays - 13mm Digits)
Pre-Assembled and Kit versions available

General purpose Up / Down event counter with Preset and two mains rated relay outputs (one for Up count Preset number and one for the Down count reaching zero). Count input accepts a simple make contact closure (e.g. a push button, relay, etc.).

The board is designed for use in a wide range of industrial counting and process control applications.

A separate board houses the four-digit red LED display, indicator LEDs and control buttons:

  • UP/DOWN button is used to select count direction. Front panel LEDs indicate which direction is currently set.
  • START button is used to select the desired Up count Preset number between 1 and 9999. Press and hold to rapidly increase value.
  • MEM is used to store the Preset number.
  • PRESET resets the counter to zero but retains the Preset number for repeat counting.
  • COUNT IN input can be connected to an external contact closure located up to 10m away (START button can also be used for manual testing).
  • RESET clears the Preset number from memory and resets the counter to zero.

The main control board uses a microcontroller based circuit to drive all the functions and has two mains rated relay outputs:

  • The UP relay switches when the Up count reaches the Preset number.
  • The DOWN relay switches when the Down count reaches zero.

Further count input signals are ignored when the UP or DOWN relays activate:

  • If the UP/DOWN button is pressed, the relay will release on the next count input and counting will resume in the other direction.
  • Alternatively, the counter can be reset using PRESET or RESET buttons as described above.

The current Count value, Preset number and count direction are stored in memory using a 3V backup battery pack (not included) so counting will resume where it left off on powering up.

The Kit version includes solder for assembly and solder pins for board connections.

The Pre-assembled version is supplied with screw terminal blocks for all connections.

Specifications
Input Voltage6...9Vdc (e.g. Order Code CFE071 or
660.442UK with connector 777.001UK or 778.106UK is suitable)
Current Consumption220mA max
Battery Backup
3V (required for proper operation)
e.g. 2 x 1.5V AA batteries (Order Code 656.010UK) and battery holder (Order Code BH2AAF)
Maximum Count Value9999
Output Type2 x SPDT Relays
Output Load230Vac @ 1A, 110Vac @ 2A, 30Vdc @ 2A maximum
Output ConnectionsNO, NC, C (Relay FAQ)
Board Dimensions1 x 51x122mm (Display), 1 x 103x104mm (control)
Board ConnectionsKit Version: Solder Posts
Assembled Version: Solder Pins or Screw terminal blocks
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
Schematic Diagram
Your Total:

AS1172KT - 4 Digit Up/Down LED Counter (Preset - Memory - 2 Relays - 13mm Digits) Selection

SELF-ASSEMBLY Up/Down 4-Digit LED Counter KIT, Dual Relay Output
Smart 1172KT - SELF-ASSEMBLY Up/Down 4-Digit LED Counter KIT, Dual Relay Output
£45.79 £24.96 Exc VAT, £29.95 Inc VAT | In Stock (Our UK Warehouse)
PRE-ASSEMBLED Up/Down 4 Digit LED Counter, Dual Relay Outputs (c/w Solder Pins)
Smart AS1172 - PRE-ASSEMBLED Up/Down 4 Digit LED Counter, Dual Relay Outputs (c/w Solder Pins)
£54.12 £29.96 Exc VAT, £35.95 Inc VAT | In Stock (Our UK Warehouse)
PRE-ASSEMBLED Up/Down 4 Digit LED Counter, Dual Relay Outputs (c/w Screw Terminal Blocks)
Smart AS1172TB - PRE-ASSEMBLED Up/Down 4 Digit LED Counter, Dual Relay Outputs (c/w Screw Terminal Blocks)
£31.63 Exc VAT, £37.96 Inc VAT | In Stock (Our UK Warehouse)

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