Group PID Control Temperature Controller based on microprocessor technology. It can control and display process parameters such as temperature, pressure, and flow. The instrument features flexible settings, convenient configuration and simple operation.
Features
Universal input: Accepts thermal resistors, thermocouples and DC signals, compatible with 29 types of industrial input signals.
Modular design: Output can be freely configured.
Universal power supply: 100-240V AC, 50Hz.
Multiple alarms.
Alarm status indicator lights.
Multiple control modes: ON/OFF and PID.
Photoelectrically isolated RS-485 communication interface.
Input
Thermocouples: K, S, R, T, E, J, B, N, WRe3-WRe25, WRe5-WRe26
Thermal Resistors: Cu50, PT100
Resistance Signals: 0～80Ω, 0～400Ω
Current Signals: 0～10mA, 0～20mA, 4～20mA
Voltage/Millivolt Signals: 0～20mV, 0～100mV, -20～+20mV, -100～+100mV, 0～1V, 0～2V, 0～5V, 1～5V, 0～10V, 2～10V, -5V～+5V, -10V～+10V
Output
Main Control Output:
0 - Linear Output
1 - Relay
2 - Transistor
3 - Thyristor
Linear Signals:
0 - (4-20mA)
1 - (0-10mA)
2 - (0-20mA)
Supports connection of 2 output channels
Communication
Photoelectrically Isolated RS-485 Communication Interface
Alarm
2 Channels of Relay Alarms
Other Detailed Parameters
| Parameter Category | Specific Specifications |
| Input Signal Range | 29 common industrial standard signals |
| Basic Error | 0.002FS ± 1 digit (FS = Full Scale) |
| Measurement AD (A/D Conversion) | 20-bit, 13SPS (Samples Per Second) |
| Output DA (D/A Conversion) | 12-bit, 100KSPS (Kilo Samples Per Second) |
| Main Control Output | 1 Channel |
| Alarm Output | 2 Channels (Model 2216 has 1 alarm channel) |
| Input Impedance | ≥500KΩ for voltage signals; ≤300Ω for current signals (with an external 250Ω resistor in parallel); ≤0.25mA for thermal resistors; ≥500KΩ for thermocouples |
| Output Impedance (Load Capacity) | ≤500Ω for current signals (can be customized to 650Ω for special current requirements, please specify when placing an order); Relay |
| Display Method | Nixie Tube |
| Sampling Period | 0.1S (average) |
| Communication Protocol | MODBUS RTU (RS485 interface, 2-wire system) |
| Transmission Distance | 1200 Meters |
| Parity Check Method | No Parity, Odd Parity, Even Parity |
| Baud Rate | 4800, 9600, 19200 bps |
| Communication Data Format | 1 start bit, 8 data bits, 1 stop bit |
| Power Supply Voltage | AC220V |
| Isolation Voltage | Isolation between input, output, and power supply; 2000V AC for 1 minute |
| Operating Conditions Temperature |
-20℃～+50℃; Humidity: 0.1-0.9RH (Relative Humidity) |
|
Storage Conditions Temperature |
-40℃～+80℃; Humidity: 0.1-0.9RH (Relative Humidity) |
| Model Selection & Dimensions | DK2204: 96×96mm Cutout Dimension: 92×92mm |
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