Functions include frequency, rate, period, time interval, stopwatch, total, ratio,draw,duty cycle,phase angle
The Dual-Channel
Counter with the Basic Main Board and FR universal dual-channel pulse
input signal conditioner is a flexible 6-digit instrument which can be
programmed for multiple functions:
– Frequency, rate or period. The meter measures frequency
from 0 Hz to 1 MHz and rate in engineering units with exceptional
accuracy at high read rates. Such fast response is ideal for alarm and
control. Two channels (A & B) may be independently scaled. The
displayed channel is selected via a front panel pushbutton.
– Time interval. The meter displays pulse width or time
delay of pulses applied between channels A & B.
– Totalizing. Channels A & B may be independently set
up and scaled to count up or to count down. Scaling allows readout in
engineering units. Totals are stored in non-volatile memory.
The Dual -Channel Counter with the Extended Main Board offers all
capabilties of the version with the Basic Main Board, plus a host of
additional programmable capbilities at modest extra cost:
– Rate and total simultaneously. Channels A or B are
selected for display via a front panel pushbutton. Great for flow
applications.
– Reversible up/down counting. Count direction of Channel A
is dynamically changed by applying a signal to Channel B.
– Totalizing with external inhibit. Counting of Channel A
is controlled by applying a count start/stop signal to Channel B.
– Linearization of nonlinear inputs. Up to 240 data points
can be input from a spreadsheet.
– Arithmetic between channels: A+B, A-B, A*B, A/B, A/B-1.
– Duty cycle. This is a measure of ON or OFF period as a
percent of total period. Resolutions of 1%, 0.1% or 0.01% are
selectable.
– Stopwatch operation. Used to time single events, such as
sporting events or processes, which produce start and stop pulses. Also
used to time the width of a single pulse. The display is updated
continuously during timing.
– Phase angle. Two signals with identical periods are
applied to Channels A & B. Phase angle is the time delay between A
& B pulse edges and divided by period and displayed in degrees
– Batch control. Used to control repetitive fill operations
with up or down counting, a prewarn to control fill rates, and a
programmable delay between cycles. A dual relay board and optional third
relay are normally also used.
Features
Functions
include frequency, rate, period, time interval, stopwatch,
total, ratio, draw, duty cycle, phase angle
Arithmetic
functions: A+B, A-B, AxB, A/B, A/B-1
Two
independent field-scalable channels
Universal
pulse signal conditioner
Pulse
input rates from 0 Hz to 1 MHz
6-digit
scalable display
Muliple,
programmable operating modes
Square
root extraction standard
solated
5, 10, 24 Vdc excitation output
1/8
DIN, NEMA-4X front panel
SPECIFICATIONS
Display
±999,999,
0.56" high LED digits
Zero & Span
Adjust
±999,999
(programmable)
Read Rate
To 20/sec with
adaptive digital filtering
Time Base Accuracy
Crystal calibrated
to ±2 ppm
Signal Types
NPN or PNP
proximity switches, contact closures, digital logic, magnetic pickups
down to 12 mV, or AC signals to 250 Vac.
Frequency Range
0 Hz to 1 MHz
Transducer
Excitation
5V @ 100 mA, 10V @
120 mA, 24V@ 50 mA
CAT
NO.
MODEL
DEscRIPTION
AVAIL
PRICE
LA282114
L50000FR
Pulse in,
green LED, 85-264 Vac power
Yes
516,240
LA282115
L60000FR
Pulse in, red
LED, 85-264 Vac power
Yes
516,240
LA282116
L51000FR
Pulse in,
green LED, 9-37 Vdc power
Yes
594,000
LA282117
L61000FR
Pulse in, red
LED, 9-37 Vdc power
Yes
594,000
LA282118
L70000FR
Pulse in,
green LED, 85-264 Vac power, extended laureate Counter
Yes
615,600
LA282119
L80000FR
Pulse in, red
LED, 85-264 Vac power, extended laureate Counter
Yes
615,600
LA282120
L71000FR
Pulse in,
green LED, 9-37 Vdc power, extended laureate Counter
Yes
637,200
LA282121
L81000FR
Pulse in, red
LED, 9-37 Vdc power, extended laureate Counter
Yes
637,200
LA282115
L60000FR
OPTIONAL
Pulse in, red LED, 85-264 Vac power
FOR Dual-Channel Pulse Input Meter
Yes
516,240
LA282106
LOC
OPTIONAL
Dual isolated solid state relays
FOR Dual-Channel Pulse Input Meter
Yes
118,800
(same
slot as LA282105)
LA282107
LAO
OPTIONAL
Isolated analog output, 0-20 mA & 0-10
V, scalable FOR Dual-Channel Pulse Input Meter
Yes
194,400
LA282108
L232
OPTIONAL
RS-232 data I/O FOR
Dual-Channel Pulse Input Meter
Yes
129,600
(same
slot at LA282109)
LA282109
L485
OPTIONAL
RS-485 data I/O FOR
Dual-Channel Pulse Input Meter
Yes
172,800
(same
slot at LA282108)
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