SMART THERM PID - 1105
 

INTRODUCTION
 
This is an advanced, micro-controller based, versatile temperature controller. The controller provides direct thyristor firing, relay control and 0-20 mA output. It also provides safety measures which includes cooling relay and alarm relay. It incorporates dual digital display, five membrane keys, LED indications for relays and data lock out key. It ensures energy saving through fast response phase control power output.

    Smart Therm PID - 1105
 

FEATURES
  • Microprocessor Controller.
  • Direct Thyristor Firing Pulse Output.
  • Data Lockout Facility.
  • Multiple Outputs.
  • Dual Digital display of setpoint and process variable..
  • PC Interface facility.
  • Single Input, Multi Purpose output facilities.
  • Unique safety precautions.
  • Non-volatile memory.
  • Smooth temperature measurement.
  • Auto / Manual bumpless transfer.
  • Autotuned preset PID Parameter with locking facility.
  • Easy panel mounting.
  • Robust construction.
  • Direct thyristor firing pulse output.
 

TECHNICAL SPECIFICATIONS

DISPLAY

  • Dual display.

  • Four digit 0.5" red digital for process variable.

  • Five digit 0.3" red digital for parameter set point and percentage output power.

  • Individual red LED's to indicate the programme mode, data lock out status, for heat cool and alarm relay and, for auto/manual of operation.
KEY BOARD

  • Membrane key board.

  • Easy view of process temperature and set temperature.

  • Auto/Manual key for auto or manual process.

  • User friendly process parameter setting.
INPUT

  • Thermocouple types J/K.

  • Cold junction compensation for thermocouple input.

  • RTD PT-100(optional).

    Calibration accuracy ± 0.5% of span.
    Temperature range 0°C to 1200°C.
OUTPUT
Analogue 0 to 20 mA into 250E (max.).
Heating SPST contacts of relay rated for 0.5A, non-inductive at 230 V AC for Heating.
Cooling SPST contacts of relay rated for 0.5A, non-inductive at 230 V AC for Cooling.
Alarm SPDT contacts of relay rated for 0.5A, non-inductive at 230 V AC for Alarm.
Thyristor control Synchronized pulse output for back to back connected thyristor.
Computer interface Optional.
CONTROL PARAMETERS
  • Lower limiting value related to set value.
  • Upper limiting value related to set value. 

Hysterisis band

Percentage of span

Integral

00.01 to 99.99 minutes

Derivative

00.01 to 99.99 minutes

Cycle time

00.00 to 9999 seconds

Cooling band

Percentage of span

GENERAL
Power supply 240 V AC ±10%, 50Hz.
Ambient 0°C to 45°C.
Power consumption 4 VA.
PHYSICAL
Case Aluminium extruded powder coated body with plastic die-cast bezel.
Terminals Barrier screw type. Can accept upto 2.5 mm. wire.
Bezel size 96(w) x 96(H) mm.
Depth  160 mm.
Panel Cut-Out 92 x 92 mm.