Basic On-Off Temperature Controller – DPC-903
₹3,250 – ₹3,500
Prices are inclusive of Delivery Charges.
DPC-903 – Temperature and Process Controller
Configuration : (1 AI + 2DO + 1 AO)
Size (mm) : 96 x 96 x 75
SKU: N/A
Categories: On-Off Temperature Controllers, Temperature Controllers
Libratherm offers various models of Digital Temperature and Process On/Off Controllers. User has the choice of selecting the model based on the type of input, type of analog or digital interface, and required size. All the models are designed to suit most of the Industrial Applications.
This Digital On-Off Safety Controller is available in the size of 96w x 96h x 75d mm, accepts input from J, K, thermocouple, Pt-100, 4-20mA, and provides 2 relay output or 2 SSR output along with retransmission of 4-20mA.
Key Features:
- Microcontroller based design.
- Software linearized for better measurement accuracy.
- Works on universal 90-240 VAC.
- Universal and User selectable input from process transmitters/temperature sensors.
- 1 to 4 Relay or SSR Output.
- Industrial standard Analog and Digital Interface.
Configuration
AI | Analog Input from Process transmitter in the form of 4-20mA or from the Temperature Sensors. |
AO | Analog Output proportional to Analog input, available in the form of Retransmission output of 4-20mA or optionally 0-10V. |
DO | Digital Output in the form of relay contacts or 10 to 12 VDC logic level for external SSR. |
SO | Serial Output in the form of RS-485 on MODBUS RTU interface. |
Technical Specification
Parametes | Description |
---|---|
Process Input (AI) | 4-20mA or 0-10V. |
Display Range | -2000 to +2000 or 0 to 4000 count with a programmable decimal point. |
Resolution | 0.1,0.01,0.001. |
Temperature Input(AI) | Thermocouple type – J, K RTD type – (Pt-100)/ 2, 3 or 4 wire sensors. |
Temperature Range | As shown in the Ordering Information table. |
Resolution | 1 °C for thermocouples and 0.1 °C for Pt-100. |
Sampling rate / Display rate | The input is read @40mS / the display is updated @1 second. |
Indicating Accuracy | +/- 1 °C for Thermocouple throughout the range and +/- 0.1 °C for Pt-100 for (4-20)mA - absolute to the linear input signal. |
Display | 4 digit 0.5" Red 7-segment display for process variable. |
4 digit 0.5" Red 7-segment display for any other parameters. | |
Settings | Using Front panel feather touch keyboard to set various parameters like Set values, Hysteresis values, Span hi/lo values, MODBUS slave ID, Input selection, calibration, etc. |
Control Output (DO) | 2 relay outputs (NO-C-NC) contacts rated for 5A @ 230VAC. |
2 SSR driver (10 to 12VDC pulse) to drive external SSRs. | |
On/Off Hysterisis | Programmable through the keyboard in the band of +/-5% of the range or +/-25 °C or +/-10.0 °C or +/- 25 counts. |
Retransmission Output (AO) | 4-20 mA linearized and proportional to the selected input type and range RL max = 300 Ohms. |
Supply | (90VAC-250VAC), 50/60 Hz, 18 to 48VAC/DC (optional). |
Size | 96 x 96 x 75. |
Enclosure | ABS plastic with polycarbonate front graphic. |
Ordering Information
Sr. No. | Specifications | Part No. |
---|---|---|
1.1 | Input : J,K,Pt-100,4-20mA + 2 relay or 2 SSR output | 1406-1 |
1.2 | Input : J,K,Pt-100,4-20mA + 2 relay/SSR output With 4-20mA retransmission | 1406-2 |
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