N. R. Enterprises

Digital Controller

Digital Controller

We are one of the leading manufacturers and suppliers of Digital Controllers in the market. Our user friendly Digital Controllers accept mV or mA input from a variety of sensors such as load cells, torque cells, pressure sensors, temperature sensors, etc. It can also accept a pulse input and display linear position, or angular position, or rpm, etc. We offer Digital Controllers in a variety of specifications and can also customize them according to clients’ specifications.

Attributes :
  • Full Software Calibration
  • Available in various housings
  • Set Points with relay contacts
  • Provision for battery back-up
  • Provision for special features such as Peak Hold, Multiple Calibration

Applications :
  • Weigh platforms
  • Conversion kits
  • Weigh bridges
  • Milk weigh bowls
  • Tank weighing systems
  • Check weighing systems
  • Packaging /bagging /filling machines
  • Crane weighing systems

Specifications :
  • Various input options such as mV, mA, DC, voltage, ohms, TTL pulses
  • Various output options such as RS232, RS485 (MODbus), 4-20 mA, 0-5/10 VDC

General Technical Specifications :

Sensor excitationx ± 5V DC
Sensor drive capacityv 2 nos. 350 . sensors (Optional up to 8 nos.)
Sensor connectiono 4 wire or 6 wiresors
Input signal range 0 to 30 mV (other input options on request, such as 0-100 mV, 0/4-20 mA, 0-5 VDC or 0-500 )
Internal resolutionr 20,000 or 40,000 counts (selectable)
Display resolution 1,000 to 15,000 counts (as per application)
Display full scale 65,535 counts
Non- linearity +0.05 % of F.S.
Zero temperature co-efficientr +0.01% RO/oC/h
Span temperature co-efficientr +0.01% RO/oC/h
Drift of no-load output with temperature +0.05 % of F.S.
Drift of no-load output after 1 hour +0.05 % of F.S.
Drift of full scale output after 1 hour +0.01 % of F.S.
Calibrationr Full digital software calibration through keyboard
Settings Set Points, Digital Filter, Baud Rate and Analog Output Settings by software through keyboard
Weight display 5 digit 7 segment LED 12.7mm with negative sign2
Indicationsa Tare, Gross, Peak & Set Points, through LEDs
Keys Micro keys
Re-transmission outputss RS232C, RS485 (MODbus protocol), 0/4-20 mA, 0-5/10 VDC (Any of the above at a time)
Operating temperature rangep 0 oC to +50 oC
Storage temperature rangee -10 oC to +70 o Co
Operating voltageg 110 VAC ±10% 50 Hz, 230 VAC ±10% 50 Hz, 12 VDC ±10%