LT110 Series (48mm X 24mm) Digital Indicating Controllers

Data_Sheet
Model LT110 digital indicating controllers feature many functions including PID auto-turning function for various control applications in the compact size of 48x24mm.

Features

  • Compact, lightweight and space-saving type for downsizing equipment or panel board
  • Multi-input of thermocouples and resistance thermometers
  • Conformance to CE
  • Front panel conforming to IP65 (IEC) water and dust protection

Models

Models Specifications
LT11010000-00A Universal input/On-off pulse type
LT11030000-00A Universal input/Current output type
LT11050000-00A Universal input/SSR drive pulse type
LT11110000-00A Thermocouple universal input/On-off pulse type
LT11130000-00A Thermocouple universal input/Current output type
LT11150000-00A Thermocouple universal input/SSR drive pulse type

Measuring ranges

Inputs Input ranges
Thermocouple K 0 to 1370°C 0 to 2500°F
J 0 to 1000°C 0 to 1800°F
E 0 to 800°C 0 to 1500°F
Platinel II 0 to 1390°C 0 to 2500°F
N 0 to 1300°C 0 to 2300°F
Resistance thermometers Pt100 -199.9 to 850.0°C -199.9 to 999.9°F
-200 to 850°C -300 to 1500°F
JPt100 -199.9 to 500.0°C -199.9 to 900.0°F
-200 to 500°C -300 to 900°F

Specifications ⁄ Input Specifications

Input signal
Thermocouple… K, N, J, E, Platinel II
Resistance thermometer…Pt100, JPt100
Accuracy rating Thermocouple input … ±0.3% of input span ± 1 digit or ±2°C, whichever is larger
Resistance thermometer input … ±0.2% of input span ± 1 digit
Measuring unit °C or °F
Sampling cycle About 0.25 second
Burnout Up scale
Allowable signal source resistance Thermocouple inut…100Ω or lower
Resistance thermometer input…10Ω or lower per wire
Input shift -100.0 to 100.0°C

Control Specifications

Control cycle time Approx. 0.25 second
Control system PID (2-position control is available.
Control setpoint 2 sets switching, 4-digit setting
Auto-tuning Standard (Manual setting of PID constants enabled)
PID constants
P…  0 to maximum value of range
I…  0 to 3600 seconds
D…  1 to 3600 seconds
Control gap 0.1 to 100.0°C (2-position control only)
Anti-reset windup Automatic
Output specifications
  • On-off pulse type
  •    Output signal …  On-off pulse conductive signal
       Contact ratings …  Resistive load: 250VAC 3A
          Inductive load: 250VAC 1A
      Pulse cycle …  Approx. 1 second to 120 seconds adjustable

  • Current output type
  •    Output signal …  4 to 20mADC
       Load resistance …  550Ω or less

  • SSR drive pulse type
  •    Output signal …  On-off pulse voltage signal
    At ON 12VDC ± (0 to +2V) maximum 40mA
       Pulse cycle …  Approx. 1 second to 120 seconds adjustable

    Alarm Specifications

    Alarm point 1 point
    Temperature alarm type Deviation high alarm, deviation low alarm
    Absolute value deviation high alarm, absolute value deviation low alarm
    Deviation high alarm with standby function
    Deviation low alarm with standby function
    Absolute value deviation high alarm with standby function
    Absolute value deviation low alarm with standby function
    Absolute value high alarm, absolute value low alarm
    Absolute value high alarm with standby function
    Absolute value low alarm with standby function
    Loop break alarm Alarm activation when the control output is maximum or minimum and the process value does not vary more than a set band in a set time.
    Heater disconnection, sensor disconnection, control equipment failure
    Alarm time setting range: 0 to 200 minutes
    Alarm band: 0 to150°C or 0.0 to 150.0°C
    Alarm deadband 0.1 to 100°C
    Alarm output Open collector 24VDC 0.1A (maximum)

    Display Specifications

    Display 4-digit LED
    Display contents PV or SV switching, Parameter item

    Display Specifications

    Power voltage 100V to 240VAC 50/60Hz universal power supply
    Working temperature range -10 to 50°C
    Working humidity range 35 to 85%RH (no dew condensation)
    Power consumption Maximum about 5VA
    installation Panel installation
    Weight About 100g

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