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Model N920 - Universal Embedded Process Controller
Features
  • System card mountable design
  • Digital & analog I/O
  • Standard PID, batch & dose control
  • Ultra high control accuracy
  • Dual totalizer & rate meter
  • Onboard data logger  details
  • Easy menu navigation & programming
  • Multiple alarm functions
  • LWAN operation/reporting
  • High contrast backlit display

 

The Model N920 is an embedded version of the 900 Series instrument incorporating user selectable digital and analog inputs, as well as analog and relay outputs.  Other Model N920 features include .005% high accuracy PID, batch, and dose control functions. Additionally, the Model N920 encompasses rate metering, dual totalizing, onboard data logging, easy menu navigation, multiple audio/visual alarm functions, a serial RS-232 port, LWAN (modem) communication, and an optional high contrast backlit LCD display.

It has been designed to provide unattended precision liquid and gas flow measurement, value monitoring, data communication, and process control for a variety of commercial and industrial applications.

Process control functions are programmed manually or by using local or remote serial commands. Inputs are accepted from analog or digital signal sources, and current, voltage or relay outputs are available.

Programmable set-points include quantity, high/low/average flow rates, time in service and are used to trigger the indicators, signal output, and invoke local and remote alarm reporting.

Information is accessed locally using the display, standard RS-232 serial port, or remotely using the internal or external WAN (modem) interface.

An Easy-Eye backlit display and multicolored front panel LED's indicate quantity totalizer states, flow rate, report state, and WAN (modem) status, with a standard on-board audio indication.

Extensive built-in self test and instillation diagnostics enable quick and easy installation.

The onboard non-volatile memory retains accumulated and programmed information over 100 years without a backup battery, a long life lithium battery preserves clock time over 10 years.

Measured Values
  • Quantities to 99,999,999.99
  • Rate to 9,999,999.99
  • Service Time to 9999 hrs
  • Real Clock Time
  • Input Frequency Above 10KHz
Program Values
  • Quantity Limits to 99,999,999.99
  • Rate Limits to 9,999,999.99
  • Service Time Limit to 9999
  • Digital Constant to 9,999,999.999
  • Rate Time Base and Measure Units
  • Clock and Report Time Values
  • Network Operating Values