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PDF H7EC-VM Data sheet ( Hoja de datos )
| Número de pieza | H7EC-VM | |
| Descripción | Self Powered Counters | |
| Fabricantes | Omron | |
| Logotipo |  |
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Self-Powered Counters
Subminiature Count Totalizers
Require No External Power Supply
s Subminiature 48 x 24 mm (1.89 x .94 in)
s Improved noise immunity
s Screw terminal and wire-wrap types
available
s AC, DC, and no-voltage input
s Printed circuit board version (H7Eu-P)
s Panel adapters for existing cutouts
(order separately from accessories)
s Self-powered, 3 V lithium battery
H7EC
Ordering Information
s COUNT TOTALIZERS
Operating mode
UP type
Display
LCD digital, 5.1 mm (0.2 in) high
Reset system
External (electrical) reset
External/Manual reset
Number of digits
Count input
7
AC/DC
voltage
input
DC voltage input
No-voltage
contact input
6
DC voltage input
No-voltage
contact input
Max. counting speed* 20 cps
1 kcps 30 cps
1 kcps 30 cps 1 kcps
30 cps
1 kcps
30 cps
Terminals Wire-wrap — H7EC-V H7EC-VL H7EC H7EC-L H7EC-VM H7EC-VLM H7EC-M H7EC-LM
Screw H7EC-FBV H7EC-BV H7EC-BVL H7EC-B H7EC-BL H7EC-BVM H7EC-BVLM H7EC-BM H7EC-BLM
.* For details about matching the counting speed with the appropriate input device, see "Selecting the H7EC Totalizing Counter," located
in Operation section.
s ACCESSORIES
Description
Panel adapters
Fits 26 x 45 mm (1.02 x 1.77 in.) rectangular cutout
Fits 27.5 x 52.5 mm (1.1 x 2.07 in.) rectangular cutout
Fits 24.8 x 48.8 mm (0.98 x 1.92 in.) rectangular cutout
Part number
Y92F-75
Y92F-76
Y92F-77
1 page  
H7EC
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s DC VOLTAGE INPUT TYPE
1. Contact input (input by a relay or switch contact)
Terminals (2) and (4)
are internally connected.
H7EC
2. Solid-state input (open collector input of an NPN transistor)
Input
Reset
Terminals (2) and (4)
are internally connected.
s NO-VOLTAGE INPUT TYPE
1. Contact input (input by a relay or switch contact)
Terminals (2) and (4)
are internally connected.
2. Solid-state input (open collector input of an NPN transistor)
Terminals (2) and (4)
are internally connected.
Operations
s SELECTING THE H7EC TOTALIZING COUNTER
Determine the maximum counting speed of the counter by
evaluating the input conditions listed in the table at right.
Counting speed
Contact
signal input
20 or 30 cps
Relay or switch
contact input with
some chattering
Solid-state
signal input
Low-speed
transistor inputs
1 kcps
Do not input contact
signal inputs.
Chattering is counted
as signal input.
High-speed transistor
inputs
s MANUALLY RESETTING COUNTERS
(-M SUFFIX MODELS)
Counters with "-M" suffixes offer the option of manual or external
resetting. To manually reset the counter, press the reset button
located to the left of the display window. To prevent an accidental
reset, lock the reset button by sliding the button downward, without
depressing it. A small "click" sound may be heard, both when
locking and unlocking the reset button. Slide the button up to
unlock.
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet H7EC-VM.PDF ] | |
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