MCM Electronics

Digital Counter Module Panel MountMCM Part #: 28-16978  |  Velleman SA Part #: VM147

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Panel Counter Module

Product Description


  • Very practical for counting parts, people, scorekeeping, ...
  • Red LED read-out
  • 2 inputs: counts up or down
  • Counting through external pulses or push buttons
  • Memory function constantly compares the current value with a preset value and activates an output for as long as both are equal or for an adjustable time
  • Debounce function for stable operation (with low counting frequencies)
  • Adjustable 'preset': 0000 to 9999
  • Auto reset when preset value is reached when counting up
  • Auto 'load preset' mode when counting down
  • Comes with board-to-wire connectors (20cm wire)

Counter input : dry contact, connecting to ground
'Equal'- output: max. 100mA (@ max. 30V) 'open-collector' output
Max. counting speed : 400 / sec. (10 / sec. with debounce delay)
Max. count: 4 digits (0000 to 9999)
Output pulse length: 100 to 900ms or 'as long as equal'
Power supply: 9 to 12VDC (unregulated)
Power consumption: 2 41/64" x 1 19/32"
Dimensions: panel module: 2.63 x 1.6", cut-out: 2.12 x 1.45", mounting depth: 1.65"

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Package Specifications & Dimensions
Weight:0.11 lbs.
RoHS Comp:Yes
Warranty:90 days
Need to Return?
Length:6.1 in.
Width:5.3 in.
Height:1.6 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages

MCM Cat 57, Page 679

PDF Reference

Requires Adobe Acrobat Reader.

Mfr. Info

Velleman SA Logo
Mfr. Name:Velleman SA
Mfr. Part Number:VM147