Introduction – Samwon SD-48M-ARN Multi-Input Temperature Controller

The Samwon SD-48M-ARN Multi-Input Temperature Controller is a compact, high-performance device engineered for precise temperature regulation in industrial applications. Designed to support a wide range of sensor inputs—including thermocouples, RTD PT100Ω, DC voltage, and DC current—it delivers reliable temperature monitoring across diverse processes. Its robust control options, including PID and ON/OFF modes, enable stable and accurate operation in both heating and cooling systems.

The controller features a dual-output configuration with one 4–20 mA analog output and one relay output, allowing integration with analog equipment such as inverters and control valves, as well as direct switching of heaters or other devices. With a clear digital display for PV and SV values, operators can monitor system performance at a glance. This model is ideal for industrial users who require flexible input compatibility and precise temperature control.

Thanks to its compact 48 × 48 mm panel size and easy installation, the SD-48M-ARN fits seamlessly into control panels used across industries in the UAE, MENA region, and beyond. Dubai Sensor supports this product as part of its range of industrial automation solutions.

Key Features & Benefits

• Supports multiple sensor inputs: thermocouple, RTD (PT100Ω), DC voltage, DC current, and humidity sensor
  
• Dual-output design: 4–20 mA analog output + relay output
  
• PID and ON/OFF control for stable, accurate operation
  
• Compact 48 × 48 × 100 mm housing for easy panel integration
  
• Clear digital display for PV and SV monitoring
  
• Wide power supply range: 100–240 VAC
  
• Multiple alarm functions: sensor break, heater break, high/low temperature limits
  
• Reliable performance for heating and cooling applications
  

Technical Specifications – Samwon SD-48M-ARN Multi-Input Temperature Controller

Applications & Industries

• Plastic injection molding machines
  
• Food and pharmaceutical production—ovens, dryers, reactors
  
• HVAC heating and cooling systems
  
• Industrial machinery and automated production lines
  
• Process control systems requiring precise PID regulation
  

The SD-48M-ARN is widely suitable for industrial environments, including applications commonly found across the UAE and MENA region.

Installation, Commissioning & Maintenance

The controller is designed for straightforward panel installation using a 45 × 45 mm cut-out. Once installed, users can connect compatible sensors and configure the input type through the front panel settings. PID or ON/OFF control modes can be selected based on process requirements.

Routine maintenance involves verifying sensor integrity, ensuring clean electrical connections, and monitoring alarm indicators for early detection of faults—such as heater break or sensor break conditions. The front-panel display allows quick confirmation of PV and SV values during commissioning and operation.

Why Choose Samwon SD-48M-ARN Multi-Input Temperature Controller

The Samwon SD-48M-ARN stands out for its broad sensor compatibility and dual-output design, giving engineers the flexibility to control analog equipment alongside direct switching devices. Its compact structure and strong control performance make it a dependable choice for precise temperature management.

With advanced alarm capabilities and proven reliability in industrial applications, the SD-48M-ARN delivers long-term performance and stability. Dubai Sensor supports access to this model as part of its range of industrial automation products.

Ordering Guide

Follow these steps to place an order:

1. Confirm the model: SD-48M-ARN
   
2. Verify required input type: thermocouple, RTD, DC voltage, or DC current
   
3. Select output needs: analog 4–20 mA + relay output
   
4. Check panel dimensions: ensure a 45 × 45 mm cut-out is available
   
5. Provide installation environment details if needed for compatibility checks
   

For reliable supply and technical support, the Samwon SD-48M-ARN Multi-Input Temperature Controller is available through Dubai Sensor as an official distributor.

FAQ

Q1: What types of sensors can the Samwon SD-48M-ARN accept?
The SD-48M-ARN supports thermocouples (K, J, R, S, B, E, T, C), RTD PT100Ω, DC voltage (0–10V, 1–5V), DC current (4–20mA), and humidity sensor inputs.

Q2: What outputs are available on this controller?
It offers one 4–20 mA analog output and one relay output. According to the SD series table, a third relay output is also included.

Q3: Does the SD-48M-ARN support PID control?
Yes. It supports both PID and ON/OFF control modes for precise temperature regulation.

Q4: Is communication available on this model?
No. The letter “N” in the model name indicates that this version does not include communication functions.

Q5: What is the power supply requirement?
The controller operates on 100–240 VAC with a maximum power consumption of 10 VA.

Q6: What alarms does the controller provide?
It includes sensor break alarms, heater break alarms, high/low temperature alarms, and absolute/relative alarm types.

Q7: What are the mounting dimensions?
It fits a panel cut-out of 45 × 45 mm and has overall dimensions of 48 × 48 × 100 mm.

Q8: Where is the controller typically used?
It is commonly used in plastics, food and pharmaceutical processing, HVAC systems, and industrial machinery requiring accurate temperature control.