PID-Temperature-Controller-With-Modbus-TCP-EtherCAT
Multi-channel Intelligent PID Temperature Controller With RS485 Modbus TCP/EtherCAT
Product Overview
The XFG-8 series multi-loop intelligent thermostat is modular DIN-rail PID controller supporting 4–96 expandable measurement & control channels. It delivers high-precision 20ms fast sampling, compatible with thermocouple, RTD, voltage and current sensors. Equipped with AI auto-tune PID algorithm, RS485 Modbus communication and optional TCP/EtherCAT, it supports independent channel parameters, multi-alarm outputs and group configuration. It features strong anti-interference performance for indust
Category | Item | Technical Parameter |
Power Supply | Input Voltage | 24VDC (-15% ~ +10%) |
Power Consumption | ≤0.3W single module; Total max power ≤3W | |
Communication | Interface | Standard RS485; Optional TCP / EtherCAT |
Protocol | MODBUS-RTU | |
Baud Rate | 4800 ~ 115200 bps | |
Measurement Performance | Accuracy Grade | 0.2 / 0.3 class |
Temperature Drift | ≤100ppm/℃ (0.2 grade); ≤125ppm/℃ (0.3 grade) | |
Minimum Sampling Cycle | 20ms per single channel | |
Anti-interference Test | 8KV group pulse, 6KV surge; 10V/m RF interference resistant | |
Sensor Input Types | Thermocouple | K, S, R, E, J, T, B, N, WRe3-WRe25, WRe5-WRe26 |
RTD | Pt100, Pt1000, Ni120, Cu50 | |
Linear Voltage | 0~10V, 1~5V, 0~5V, 0~75mV, 0~20mV, 0~50mV | |
Linear Current | 4~20mA, 0~20mA | |
Output Specifications | Switch Output (NPN/PNP) | Max 28VDC, single channel max 100mA |
Linear Voltage Output | 0~10V / 2~10V, resolution up to 20000 counts | |
Linear Current Output | 0~20mA / 4~20mA, max load 500Ω | |
Control Functions | Control Modes | AI-PID auto-tuning, ON/OFF two-position, manual output, stop mode |
Slope Limit | Adjustable heating & cooling ramp rate (0~32000 ℃/min) | |
Nonlinear Correction | Multi-point segment input calibration supported | |
Alarm Function | Alarm Types | High limit, low limit, positive deviation, negative deviation, input fault |
Alarm Reset Mode | Auto-reset / manual lock reset configurable | |
Mechanical & Environment | Mounting | Standard 35mm DIN rail (D91 with display / D92 without display) |
Operating Temp | -10℃ ~ 60℃ | |
Operating Humidity | ≤90% RH, non-condensing | |
Isolation Withstand Voltage | ≥2300V (power & signal); ≥2600V (inter-signal) | |
Channel Expansion | Max Expandable Channels | Up to 96 control loops, 256 alarm outputs |
Parameter Structure | Independent channel params + 4 groups input/output params + global params |
Key Features
- ✓Modular expandable design, support 4 to maximum 96 independent control & acquisition channels
- ✓High precision up to 0.2 grade, ultra-low temperature drift and 8KV surge anti-interference capacity
- ✓Built-in AI fuzzy PID with one-click auto-tuning, ON/OFF and manual three control modes
- ✓Universal input for K/S/B thermocouple, PT100 RTD, 4-20mA, 0-10V linear signals
- ✓Multiple output options: NPN/PNP switch, 0-10V/4-20mA linear analog, SSR drive
- ✓Independent high/low/deviation alarms with common & separate alarm terminal outputs
- ✓Standard RS485 Modbus-RTU, optional TCP and EtherCAT industrial communication
- ✓Divided channel/group/global parameter structure for fast batch configuration
- ✓Multi-segment input nonlinear correction, heating/cooling slope limit function
- ✓D91 display type & D92 blind module, combinable multi-unit rack assembly
Product Documentation
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