N. R. Enterprises

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%