Charavteristics of Thermocouple & Temperature Inputs | Thermocouple | Temperature Probes |
Input Range | Type K: 0 to 1300 °C 32 to 2372 °F Type J: 0 to 1200 °C 32 to 2192 °F Type T: 0 to 400 °C 32 to 742 °F | (RTD) Pt100, 3-wire type (-100 to 500 °C) (-148 to 932 °F) |
Input Impedance | 1 MΩ min. |
A-D Conversion | Sample Duration Time | 20 ms max. |
Sample Repetition Time | 20 ms max. |
Total Input System Transfer Time *1 | 200 ms + 1 scan time |
Input Type | Differential input |
Operating Mode | Self-scan |
Conversion Mode | ΣΔ type ADC |
Input error | Maximum error at 25 °C (77°F) | ±0.2% of full scale plus Reference Junction compensation accuracy ±4 max. | ±0.2% of full scale |
Temperature Coefficient | ±0.006% of full scale /°C |
Repeatable after Stabilization Time | ±0.5% of full scale |
Nonlinear | ±0.2% of full scale |
Maximum Error | ±1% of full scale |
Data | Digital Resolution | 4,096 increments (12 bits) |
Input Value of LSB | Type K: 0.325°C/0.585°F Type J: 0.300°C/0.540°F Type T: 0.100°C/0.180°F | 0.15°C/0.27°F |
Data Type in Application Program | 0 to 4095 (12-bit data) -32768 to 32767 (optional range designation) *2 |
Monotonicity | Yes |
Input Data Out of Range | Detectable *3 |
Noise resistance | Maximum Temporary Deviation during Electrical Noise Test | ±3% max when a 500 V clamp voltage is applied to the power and I/O wiring | Accuracy is not assured when noise is applied. |
Common Mode Characteristics | Common mode reject ratio (CMRR): -50db |
Common Mode Voltage | 16 VDC |
Input Filter | No |
Crosstalk | 2 LSB max. |
Voltage Endurance | 500 V between input and power circuit |
Isolation Method | Photocoupler Isolation between input and internal circuit |
Selection of Analog Input Signal Type | Using software programming |
Calibration or Verification to Maintain Rated Accuracy | Approximately 10 years |
External Connection | 11-pin terminal connector |