Omega Products OMDC-DM8000-R User Manual
DIGITAL TACHOMETER
AND PROCESS METER
OMDC-DM8000
Starts at
$
335
l Four Devices in One:
Tachometer, Counter, Totalizer,
and Zero Speed Switch
l Selectable Alarm Relay Output
l Control Modes are Selectable
Between Rate, Time, and Counter
l User Inputs Allow for Special
Functions: Counter Reset,
Counter Gate, and Alarm Display
l Non-Volatile Memory for Storage
of Custom Settings
l Universal AC Input Voltage from
85 to 265 Vac
l NEMA 4X Rating
OMDC-DM8000, $335.
The OMDC-DM8000 is an economical
microprocessor-based digital tachometer
system capable of measuring shaft speeds
lower than 1 RPM. With an on-board
microcomputer coupled with sophisticated
internal software and a quartz crystal
controlled reference frequency, the
OMDC-DM8000 is able to maintain accuracy
of ±0.04%, even if the shaft is uneven. The
OMDC-DM8000 is field programmable
through the easy-to-use frontpanel interface
and can be configured to display any desired
unit of measure. Large 13 mm (
LED display numbers allow viewing under
the most adverse conditions.
The isolated 5 amp form C relay output can
be configured for many different alarming
conditions. Designed to use a variety of
inputs, including the hall-effect solid state
OMDC-PU-E Series pick-up, the system
delivers trouble free operation at an
economical cost. The OMDC-DM8000 offers
the same enhanced display options and
capabilities featured inour other digital
control products, as well as the universal
power supply and rugged european-style
terminal strip.
1
⁄
2") 4-digit
The OMDC-DM8000 can be used in process
applications for monitoring speeds and
rates, or counting discrete input signals.
Process applications using counting may be
batching, filling, mixing, punching, cutting,
drilling, diverting, or alarming. While
process applications using speed or rate
monitoring may be conveyors, conveyor
ovens, material flow, rotational rpm,
and testing.
SPECIFICATIONS
ELECTRICAL
Line Input
Voltage: Any voltage from
85 to 265 Vac
Frequency: Any freq from 48 to 62 Hz
Signal Input Frequency Range:
0 to 100,000 pulses per minute
(higher frequencies are possible when
using internal frequency divisor)
Resolution: From 0.01 RPM
Accuracy: ±0.04% display update
every pulse or 0.5 seconds, whichever
is longer
Isolated High/Low Alarm Output:
5 A, 230 Vac
Settable Alarm Range: 0 to 9999
D-1
Transducer Signal Input: 0 to 5 to
0 to 24 Vdc
Display Range: 0.001 to 99,990
Units of Operation: User
programmable, any unit sensor/pickup
Power Supply: 5V @ 50 mA
Isolated Alarm Relay Output Ratings:
240 Vac @ 5A
MECHANICAL
Display Type: LED, red, 4 digit,
13 mm (½") H
Housing Type (With Supplied Gasket in
NEMA 4X Panel): NEMA 4X
Connector Style (Pluggable Connector
Optional): 12-position 5 mm
european-style
Terminal Block Torque Setting:
4.4 in-lb max or 0.5 N-M
Faceplate Material: Polycarbonate with
polycarbonate overlay
Housing Material: Aluminum
Dimensions:
Length (Panel Depth):
117.5 mm (4.6")
Width: 115.3 mm (4.5")
Weight: 382 g (13.5 oz)
ENVIRONMENTAL
Operating Temperature Range:
-10 to 45ºC (15 to 115ºF)
Operating Humidity Range: 95%,
non-condensing
Cut-Out and Mounting Dimensions: mm (in)
127
(5)
117.4
(4.6)
58.2
(2.3)
41.9
(1.7)
Tach
Ite
m
ValuPage
TAC HOM ETE R
ENTER
101.6 (4)
101.6 (4)
HOUSING DEPTH
117.6 (4.6)
PANEL CUT- OU T
OMDC-DM8000
92 (3.6)
3.6
(0.1) x2
22.4 (0.9)
45 (1.8)
Bi-directional Incremental Position Display
Coupling to
Chain Drive
Tach
Ite
m
ValuPage
TAC H O ME T ER
ENTER
263.4
Drive Train Specs:
40 revolutions = 3.5"
of platform motion
OMDC-PU-20EQUAD
or equivalent
OMDC-DM8000 Meter
530BRE-36M Control
ON
OFF
FWD
REV
Connect to
Coupling
Linear-Motion System
Platform
Description:
A system is needed which will track the position of a bi-directional linear-motion platform
and allow the user to select a home or zero position. The display should read in inches
and indicate the position of the platform at all times.
APPLICATIONS
D-2
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