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PDF H7ER-BV2 Data sheet ( Hoja de datos )
| Número de pieza | H7ER-BV2 | |
| Descripción | Tachometers | |
| Fabricantes | Omron | |
| Logotipo |  |
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Tachometers
Subminiature Tachometer Requires
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 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
H7ER
Ordering Information
s TACHOMETER
Operating mode
Display
Reset system
Number of digits*
Count input
Max. counting speed
Max. revolutions
displayed**
Applicable encoder
resolution
Terminals Wire-wrap
Screw
UP type
LCD digital, 5.1 mm (0.2 in) high
Automatic (No external or manual reset)
45
No-voltage DC voltage input
input
1 kcps
10 kcps
1,000 rps
1,000.0 rps
1 pulse/rev.
10 pulses/rev.
H7ER
H7ER-B
H7ER-V
H7ER-BV
H7ER-V1
H7ER-BV1
10,000 rpm
1,000.0 rpm
Selectable***
60 pulses/rev. 600 pulses/rev. Selectable***
H7ER-V2
H7ER-BV2
H7ER-V3
H7ER-BV3
—
H7ER-SBV
* When there is no input, 0.0 or 0 is displayed.
** The maximum number of revolutions which may be displayed depends on the output specification of the encoder to be used.
*** Many kinds of encoders can be used with H7ER-SBV. Confirm pulse compatibility by referring to specific values listed in "Setting
the RPM Display of the H7ER-SBV", in Connections.
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
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
H7ER
H7ER
s SETTING THE RPM DISPLAY OF THE
H7ER-SBV
The model H7ER-SBV Tachometer can display the rotating
speed of different encoders in either revolutions per second or
per minute.
The tachometer is set by using a sliding selector switch and
three selectors, located under a flip-up cover on the tachome-
ter. Settings and accurately-displayed values depend upon the
revolutions output of encoder.
To access the switches, press the tachometer cover near the
hinged cover.
102 101 100
Push to open
(÷)
(x)
Refer to table below to set tachometer.
s SETTING PROCEDURE
The table below shows the proper tachometer settings for the
most common encoder resolutions.
Unit Encoder
resolution
A
1
10
20
30
60
rps 100
120
200
360
600
1
10
20
30
60
120
180
rpm 240
300
360
420
480
540
600
Tachometer settings Revolutions
DIVIDE/
B Rmin Rmax
MULTIPLY 102 101 100
DIVIDE
0 0 1 1 10,000
DIVIDE
0 1 0 1 1,000
DIVIDE
0 2 0 1 500
DIVIDE
0 3 0 1 333
DIVIDE
0 6 0 1 166
DIVIDE
1 0 0 1 100
DIVIDE
1 20 1
83
DIVIDE
2 00 1
50
DIVIDE
3 60 1
27
DIVIDE
6 00 1
16
MULTIPLY 0 6 0 60 10,000
MULTIPLY
MULTIPLY
MULTIPLY
DIVIDE
DIVIDE
DIVIDE
DIVIDE
DIVIDE
DIVIDE
DIVIDE
DIVIDE
DIVIDE
DIVIDE
0 06
0 03
0 02
0 01
0 02
0 03
0 04
0 05
0 06
0 07
0 08
0 09
0 10
6 10,000
3 10,000
2 10,000
1 10,000
1 5,000
1 3,333
1 2,500
1 2,000
1 1,666
1 1,428
1 1,250
1 1,111
1 1,000
For example, if the encoder you plan to use has a resolution of
180, and you desire the tachometer to display revolutions per
minute, set the tachometer to display revolutions per minute
using the following settings:
DIVIDE/MULTIPLY switch: DIVIDE
Left selector (102): 0
Center selector (101): 0
Right selector (100): 3
In this example, the tachometer display will read accurately
from 1 to 3,333 rpm. Should the encoder input be outside this
range, the tachometer readout will be inaccurate.
s CALCULATING TACHOMETER SETTINGS
If the encoder you plan to use has a resolution not listed in the
table, it will be necessary to calculate the tachometer switch
settings.
RPS settings
If the tachometer is to display
rps, set the DIVIDE/MULTIPLY
switch to DIVIDE. The selector
settings correspond exactly to
the resolution value of the
encoder.
"÷"
For example, if the encoder you plan to use has a resolution of
287, and you desire the tachometer to display in units of
revolutions per second display, set the tachometer switches as
follows:
DIVIDE/MULTIPLY switch: DIVIDE
Left selector (102): 2
Center selector (101): 8
Right selector (100): 7
RPM settings
For the tachometer to display rpm, the encoder resolution value
must be a factor of 60, or divisible evenly into 60, and equal to
or greater than 60.
When the resolution of the
encoder is less than 60, set the
DIVIDE/MULTIPLY switch to
MULTIPLY.
"x"
Calculate the selector settings with the following formula:
B = 60 ÷ A
where:
B = value to be set on the selector switches
A = resolution of the encoder
For example, if the encoder has a resolution of 5, the calcula-
tion would be:
60 ÷ 5 = 12
thus, the tachometer settings would be:
DIVIDE/MULTIPLY switch: MULTIPLY
Left selector (102): 0
Center selector (101): 1
Right selector (100): 2
When the resolution of the encoder is equal to, or greater than
60, set the DIVIDE/MULTIPLY switch to DIVIDE.
Calculate the DIP switch settings with the following formula:
B = A ÷ 60
For example, if the encoder has a resolution of 720, the
calculation would be:
720 ÷ 60 = 12
thus, the tachometer settings would be:
DIVIDE/MULTIPLY switch: DIVIDE
Left selector (102): 0
Center selector (101): 1
Right selector (100): 2
5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
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| PDF Descargar | [ Datasheet H7ER-BV2.PDF ] | |
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