Programmable Logic Controller
KV-8000 series
PID Temperature Adjustment Unit (Multi-input 4-channel) KV-TF40
*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.
Specifications
Model | KV-TF40 | |||
Type | Temperature control unit | |||
Memory elements | EEPROM rewritable one million times | |||
Number of temperature input points | 4 ch | |||
Input | Thermocoupler/Platinum temperature measuring resistor*1 | |||
Temperature sensor types | Thermocoupler: K, J, T, E, R, B, N, S, W5Re/W26Re | |||
Indicated accuracy | ±0.3% of F.S. ±1 digit (at 25°C 77°F), ±0.7% of F.S. ±1 digit (at 0 to 50°C 32 to 122°F) | |||
Cold junction correction precision | ±1°C ±1.8°F | |||
Sampling cycle | 125 ms/ch (500 ms/4 ch) | |||
Control period | 1 to 100 seconds | |||
Operation mode | PID control (with auto-tuning and 3 mode stabilizer function installed), | |||
Tuning mode | PID auto-tuning mode | |||
Control output | Transistor (sink) | |||
Alarm output | Transistor (sink)*2 | |||
Alarm mode | Absolute value upper limit, absolute value lower limit, deviation upper limit, deviation lower limit, deviation upper limit unexcited, | |||
Output | Rated load | 30 VDC, 100 mA or less | ||
Leakage current at OFF | 100 μA or less | |||
Residual voltage at ON | 1.5 V or less | |||
Current sensor (CT) input | 4 ch*4 | |||
Current measurement precision | Larger of ±5% of an input value and ±2 A of an input value | |||
Insulation mode | Between inputs and outputs: Photocoupler and transformer insulation, Between input channels: Photocoupler and transformer insulation | |||
Others | Heater wire breaking alarm, control loop wire breaking alarm, measured value | |||
Internal current consumption | 210 mA or less | |||
Weight | Approx. 270 g | |||
*1 Can be set for each channel. |