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RS485 Modbus

Half duplex RS485 communication is provided with Modbus protocol at programmable baud rate. Indicator has provision to set slave ID. It has facility to read weight and decimal point from 7 different holding registers of various types.

  • Half duplex RS485 communication is provided with Modbus protocol at programmable baud rate.
  • Indicator has provision to set slave ID.
  • It has facility to read weight and decimal point from 7 different holding registers of various types.
  • Convenient Housing (96 x 48 x 120 mm) which can be easily mounted on panels.
  • Loadcell port to connect single weigh platform.
  • Seven Segment 5 digit Red LED display to show weight.
  • Four key front mount keypad for easy operation.
  • One Relay Output: Indication for target achieved condition.
  • Indication LED for relay status.
  • 230 V AC operation.
  • SMPS power supply to operate over a wide input range (90 to 270v).
  • Easy software calibration and setting procedures.
  • Ability to withstand harsh industrial environment and atmospheric temperature variations.
  • Processor
8051 controller
  • Processor Clock

18 MHz.

  • Power Supply
SMPS Design
  • A/D Clock
2 MHz
  • Output
One Relay (Potential free contact)

RS485 Modbus

  • Keypad
 4 key front mount keypad
  • A/D Converter
Sigma Delta Type with 24 bits resolution
  • Conversion Speed
20 samples per second
  • Load Cell Excitation
6V @ 150mA current capability to drive up to 6 load cells of 350 ohms input resistance
  • Signal Sensitivity
1 micro volt to 3 micro volts per division of weight (unit weight)
  • Indications

 

Buzzer for fault and data entry

LED for process status / relay status

  • Display

 

5 digit ½” RED Seven Segment LED display
  • Protection

 

Input line filter for EMI and RFI suppression

 

2.5 A Fuse for AC power input

 

Spike suppressor for  input power
  • Input Voltage

90V to 270V AC @ 50Hz/60Hz

 

  • Power Consumption
10VA (approx.)
  • Environment

 

Operating Temp - 0o to 55o C

 

Humidity - upto 95% RH non condensing
  • Mechanical

Dimensions: Case Size: 92mm(w) x 44mm(h)x120mm(d)

 

Bezel size: 96x48mm

Panel cut out :92x44 mm

Depth: 140mm

Weight: 300 gms (approx.)

 

  • Enclosure type
Panel Mount with sheet metal & extruded aluminum sections
  • Industrial automation
  • PLC Integration
  • Concrete Batching Plant

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