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

Ability Level 3: IntermediateProduct Formats Available: Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

General purpose up / down event two-way counter with a programmable preset function and two mains rated relay outputs. Designed for use in a wide range of industrial counting and process control applications.

The UP/DOWN button sets the units status to either count up or count down. The count status is indicated on the front panel by two different coloured LEDs. Counting is via the COUNT button or an external contact closure located up to 10m away. MEM is used to store the Preset count value between 1 and 9999. PRESET resets the counter to zero but retains the Preset value for repeat counting. RESET clears the memory and resets the counter to zero.

In the DOWN state the relay is activated when the counter decreases from 1 to zero. In the UP state the relay is activated when the programmable upper limit (Preset) is reached.

The current display reading and Preset limit can be saved in memory (retained up by a 3V backup battery - not supplied).

The four-digit red LED display, control buttons (START/COUNT, RESET, UP/DOWN, MEM and PRESET) and the Up/Down status LEDs are all mounted on a separate board from the main control board. The relay outputs are each rated to switch up to 230Vac/2A. Built around a microcontroller for maximum accuracy.

Kit version includes solder for assembly.

Input Voltage9...12Vdc
(e.g. Order Code 660.446UK with connector 778.106 or 777.001 is suitable)
Current Consumption220mA max @ 12V
Battery Backup
e.g. 2 x 1.5V AA batteries (Order Code 656.010) and battery holder (Order Code 691.101)
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 ConnectionsSolder Posts (hole spacing accepts screw terminal blocks)
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
Schematic Diagram
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