Product details
Velleman VM147 up/down counter,
Properties
practical module for counting parts, people, scores, etc.
red LED display
2 inputs: up or down counting
Counting via external pulses or push
Properties
practical module for counting parts, people, scores, etc.
red LED display
2 inputs: up or down counting
Counting via external pulses or push
buttons
Comparison between a preset value and the counter value for accepting or clearing an output (adjustable output activation time)
Debounce function for more stable counting (at low frequencies)
adjustable preset value: 0000 to 9999
automatic reset when the preset value is reached during up-counting
Example: Default value = 5: 0000 > 0001 > 0002 > 0003 > 0004 > 0005 > 0000 > 0001 > 0002 > 0003 > 0004 > 0005 > 0000 > 0001 ...
automatic loading of the preset value when counting down
Example: Default value = 6: 0006 > 0005 > 0004 > 0003 > 0002 > 0001 > 0000 > 0006 > 0005 > 0004 > 0003 > 0002 > 0001 > 0000 > 0006 ...
Delivery with "board-to-wire" connections (length 20cm)
Technical data
Input: dry contact, connection to ground
Output: max. 100mA (@ max. 30V) 'Open collector' output
max. counting speed: 400 / sec (10 / sec with debounce delay)
max. range: 4 digits (0000 to 9999)
Output pulse length: 100 to 900ms
Power supply: 9 to 12VDC (not stabilized)
consumption:
Comparison between a preset value and the counter value for accepting or clearing an output (adjustable output activation time)
Debounce function for more stable counting (at low frequencies)
adjustable preset value: 0000 to 9999
automatic reset when the preset value is reached during up-counting
Example: Default value = 5: 0000 > 0001 > 0002 > 0003 > 0004 > 0005 > 0000 > 0001 > 0002 > 0003 > 0004 > 0005 > 0000 > 0001 ...
automatic loading of the preset value when counting down
Example: Default value = 6: 0006 > 0005 > 0004 > 0003 > 0002 > 0001 > 0000 > 0006 > 0005 > 0004 > 0003 > 0002 > 0001 > 0000 > 0006 ...
Delivery with "board-to-wire" connections (length 20cm)
Technical data
Input: dry contact, connection to ground
Output: max. 100mA (@ max. 30V) 'Open collector' output
max. counting speed: 400 / sec (10 / sec with debounce delay)
max. range: 4 digits (0000 to 9999)
Output pulse length: 100 to 900ms
Power supply: 9 to 12VDC (not stabilized)
consumption:
| Item number | 5776289 |
| Manufacturer | |
| Category | |
| Manufacturer no. | VM147 |
| Release date | 12/28/2009 |
| Module type | Add-on |
| Length | 15.50 cm |
| Width | 13.50 cm |
| Height | 4.50 cm |
| Weight | 76 g |
Specifications may include unverified machine translations.