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ÇöÀçÀ§Ä¡ : Home > DAVIS (»óÇ° 25000°³) > Panel Meters > Controllers

DAVIS Á¾ÇÕ °èÃø±â - Çѱ¹´ë¸®Á¡ ÄÚ¸°½º°è±â(ÁÖ)
 
LA282114 Pulse in, green LED, 85-264 Vac power
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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 ¡¾999,999, 0.56" high LED digits
Zero & Span Adjust ¡¾999,999 (programmable)
Read Rate To 20/sec with adaptive digital filtering
Time Base Accuracy Crystal calibrated to ¡¾2 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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DAVIS Á¾ÇÕ °èÃø±â - Çѱ¹´ë¸®Á¡ ÄÚ¸°½º°è±â(ÁÖ)
 
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