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4TC & 8TC PID products integrate advanced PID control algorithm, and integration for large lag, temperature and temperature in the mutual interference temperature reaches the set temperature simultaneously. For low speed, large delay temperature control field optimization PID control algorithm to solve the problem of slow temperature control, heating speed and temperature overshoot.
·4/8 channel thermocouple temperature measurement, 16-bit resolution.
·Signal optocoupler isolation, stable performance, easy to use power isolation protection.
·Integrated advanced PID temperature control algorithm, multi-temperature zone temperature control. Dramatically reduce equipment commissioning time.
· Applicable temperature range: room temperature ~ 500 ° C (depending on the environment and different).
· Heating overshoot ≤3 ° C, steady state error ≤1 ° C (varies depending on environment).
· Targeted industries include extrusion, injection molding, large-scale textile machinery and other multi-temperature control industries.
| Model | UN 231 4TC-PID | UN 231 8TC-PID |
| Order number | UN 231-8PD22-0XA0 | UN 231-8PH22-0XA0 |
| Dimension(WxHxD) | 71.2x80x62mm | |
| Power consume | 1.8w | 2.1w |
| Power characteristics | ||
| From bus current consumption | 87mA | 107mA |
| From L+ current consumption | 60mA | |
| Voltage range | 20.4~28.8V DC | |
| Optical isolation（field to logic） | >500V | |
| Analog input characteristics | ||
| Analog input | 4 | 8 |
| Type | Floating thermocouple | |
| Common mode rejection | >12dB@120V AC | |
| Lead length to the sensor（Max.） | 100meter | |
| Circuit loop resistance | 100Ω | |
| Noise suppression | 85dB@ 50Hz/60Hz/400Hz | |
| Input resistance | ≥1MΩ | |
| Inputvoltage（Max.) | 30V DC | |
| Module refresh cycle | 290ms | 580ms |
| Data word format | Temperature data format：Actual temperature x10 | |
| Input range | TC type：J、K | |
| Measuring principle | Sigma→Delta | |
| Resolution | Voltage：15+1Sign bit Temperature：0.1℃/0.1℉ | |
| Basic error | 0.1%FS | |
| Repeatability | 0.05%FS | |
| Cold-side error | ±1.5℃ | |
| Address range | VW | |
| PID characteristics | ||
| PID algorithm | PID parameters self-tuning, temperature linkage | |
| Sampling time | 1second | |
| PID type | P、PI、PD、PID | |
| PID output type | Analog or PWM pulse width control | |
| PID output polarity | Bipolar or unipolar | |
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