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Laurel Electronics provides
digital panel meters / controllers, totalizers, counters, loop-powered meters,
temperature meters, for all types of transducers or process indication &
control.
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Laureate™
Digital Panel Meters,Counters & Remote
Displays |
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For
demanding industrial measurement &
control applications |
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Modular
construction
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Setpoint
control outputs |
High
speed with 99.99%
accuracy
(60 readings / second for DPMs)
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Linearized
transmitter outputs |
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All
ranges precalibrated
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Serial
data or BCD communications |
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Advanced
programmable features
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Highly
cost-effective |
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Compact
1/8 DIN package
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Shipped
ready to run |
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Front
panel sealed to NEMA-4
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Datalogging
software |
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Functions
Offered by Laureate Products |
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Digital
Panel Meters |
Programmable
Counters |
| DC
Volts, mV |
Potentiometer
Follower |
Frequency,
Rate, Period |
Pulse
Input Batch Controller |
| DC
Amps & mA |
Thermocouples
& RTDs |
Time
Interval, Stopwatch |
A+B,
A-B, A*B, A/B, A/B-1 Draw |
| Microvolts,
Microamps |
Load
cell, 4- and 6-wire |
Phase
Angle, Duty Cycle |
PC-based
datalogging |
| True
AC RMS Volts & mV |
Weight
/ scale meter |
Voltage-to-Frequency
Converter: |
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| Process
Signal |
Custom
curve linearization |
Quadrature
Position & Rate |
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| Strain
Gage |
PC-based
datalogging |
Up
/ down Totalizer |
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Remote
Displays |
| 6
digit LED display, -999999 to +999999.
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Accepts
RS-232 or RS-485 input from panel meter,
counter, or other external source.
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| Up to 31
units addressable on one serial data
line.
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Optional
dual-relay control output tied to
display.
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| Optional
isolated 0-10 V or 4-20 mA transmitter
output tied to display. |
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| Standard
Features of Laureate Panel Meters &
Counters |
Options
for Laureate Panel Meters & Counters |
| Simple
setup via pushbuttons or setup
via computer. |
Dual
setpoint relays:
10 A mechanical relays or opto-isolated
solid state relays for control and alarm. |
| Multifunction,
high-resolution instrument at
single-function price. |
| High
read rate for fast control response and true
peak value display. |
Analog
output:
0-20 mA plus 10 Vdc, isolated, linearized
and scaled to display. |
| Adaptive
filter eliminates noise, yet responds
rapidly to changes in signal level. |
| Auto-tare
for weighing applications. |
Serial
I/O:
isolated RS-232 or multipoint RS-485. |
| Isolated
5, 10 and 24 Vdc excitation eliminates need
for external supply. |
BCD
output:
isolated, parallel, stored, 3-state. |
| Wide-range
85-264 Vac input power for global use. |
Low
voltage power:
for 8-28 Vac or 9-37 Vdc operation off
battery power. |
| 1/8
DIN case for easy replacement of existing
meters. |
| Plug-in
screw terminals for power and signal
included |
Datalogging
software:
Up to 31 instruments on one data line to a
PC, plus 33 virtual meters to display
arithmetic combinations of meter readings. |
| Sealed
to NEMA-4X (IP-65) when panel mounted for
high-pressure washdown |
| Designed
to meet international safety standards. |
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| Certified
for safety per UL 3101-1 and CAN/CSA-C22.2
No 1010.1-92. |
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| Certified
for EM compatibility per EN 61010-1:1993 (CE
Mark). |
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LAUREATE™
Series Hardware Overview |
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Modular
Hardware |
The
design of the Laureate™
Series is modular for maximum flexibility
at minimum cost. The base configuration
for a panel meter or counter consists of a
main module (with computer and plug-in
display boards), a power supply board, and
a signal conditioner board. Optional
plug-in boards include an isolated
setpoint controller board, an isolated
analog output board, and an isolated
digital interface board.
Modular
design and a choice of plug-in options
allow the Laureate to be customized for a
broad range of applications from simple
monitoring to control and computer
interface. There can be up to five plug-in
boards in a fully-loaded Laureate.
Click on each board
to identify the board function!
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Main
Module |
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main module (with computer and display
boards) defines the Laureate series (DPM,
weight meter, counter, or remote display),
version (standard or extended), and LED
display color (red or green). The number of
digits is 5 for DPMs or 6 for counters,
weight meters and remote displays. Digits
are a full 14.2 mm (0.56") high. |
| Power
Supply
Boards |
The
same standard switching power supply board
handles inputs of 85-264 Vac
for worldwide AC use, plus 90-370 Vdc. An
optional low voltage power supply board
handles 8-28 Vac and 9-37 Vdc, allowing
the meter to be powered by batteries.
Isolated 5, 10 or 24 Vdc transducer
excitation output is standard with either
supply.
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| Signal
Conditioner
Boards |
Four
input boards are used for DPMs:
- DC
(volts, amps, mV, mA, process such as
4-20 mA, strain, pot follower).
- Temperature
(J, K, T, E, N, R, S thermocouple, Pt
100 ohm RTD).
- True
RMS
(AC
volts, mV, amps, mA).
- Load
cell (load
cells, scale meter, strain gauges,
microvolts).
Three
input boards are used for counters:
dual-channel counter,
voltage-to-frequency, and quadrature.
Click on each link below to be linked to
the appropriate page.
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| Setpoint
Controller
Boards |
Two
isolated setpoint controller options are
available to add control and alarm
capability to DPMs, counters and remote
displays:
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| Analog
Output
Board |
An
optional isolated analog output board is
available to provide 0-10 Vdc and 4-20 mA
outputs for DPMs, counters and remote
displays. It is ideal to drive a chart
recorder or for transmission to a control
room. The two outputs are linearized and
independently scaled to the display. In
the pulse input batch controller, a 10A
relays fill the socket of the analog
output board.
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| Digital
Interface
Boards |
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Optional
isolated interface boards allow the Laureate
to communicate with a computer or PLC. The
two serial boards allow the Laureate to
drive a remote display, or to serve as a
remote display.
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| Designed
for Industrial Use |
| All
Laureates are housed in a compact and rugged
1/8
DIN case which fits in a standard 45 x
92 mm panel cutout and requires only 102 mm
(4.0") behind the panel (plus
connectors). In many applications, a
Laureate can replace a larger, more
expensive instrument. The
Laureate case is sealed to NEMA-4X (IP-65)
requirements from the front when panel
mounted to allow high-pressure washdown. |
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| Connectors
Included |
| All
power and signal connections are via UL /
IEC / CSA rated screw-clamp terminals, which
are standard. The RS-232 and RS-485 options
are connected via an RJ-11 phone jack. The
BCD option uses a 30-pin, 0.1" mass
termination ribbon cable connector |
| Easy
Setup & Calibration |
All
Laureate meters and counters are shipped
fully configured, calibrated, and ready to
run. All ranges of Laureate DC, AC and
temperature meters are calibrated at the
factory, with calibration factors stored
in EEPROM. This allows different ranges to
be selected via plug-in jumpers, with no
need to recalibrate the meter for each new
range.
Setup
can be from the front panel or by using
powerful and easy-to-use Laureate Setup
& Calibration Software, which can be
downloaded at no charge. It can simplify
setup whether the PC is connected to the
instrument or not. Absolute calibration of
Laureate panel meters requires temporary
connection to an external calibrator and
to a PC running Laureate
Setup & Calibration Software.
System-level scale and offset calibration
can also be from the front panel to
produce specified readings from known
signals, such as 4-20 mA = 0.00% to
100.00%.
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| Laureate
Datalogging Software |
| Datalogging
Software turns a PC connected to up to 31
Laureate instruments into a powerful,
low-cost datalogging system. The Laureates
can be any mix of digital panel meters and
counters, excluding only remote displays.
Data can be displayed on a computer screen
in the form of up to 64 simulated panel
meters, which can include virtual meters
that show an arithmetic combination of meter
readings or totalized readings, such as
volume from flow rate. Data is can be
captured on disk in the form of
comma-delimited ASCII files for analysis and
graphic by an external program such as MS
Excel. |
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FLW,
Inc - 3505
Cadillac Ave - Bldg E - Costa Mesa, CA. - 92626 - USA - Ph (714) 751 -
7512 - Fax (714) 751 - 0213
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