Introduction – Samwon SD-48M-RRN Temperature Controller

The Samwon SD-48M-RRN Temperature Controller is a compact and versatile PID/ON-OFF controller designed for accurate temperature management in industrial applications. Its multi-input capability supports thermocouples, RTD sensors, DC current, DC voltage, and even humidity sensors, making it suitable for a wide range of process conditions. Dubai Sensor makes this model accessible for industries across the UAE and the wider MENA region that require reliable and flexible control solutions.

With its dual relay outputs and additional relay channel, the SD-48M-RRN provides dependable switching for heaters, fans, and process equipment. Its robust PID algorithm ensures stable temperature control with minimal overshoot, which is essential for precision-dependent applications. The integrated PV/SV digital display allows operators to easily monitor real-time values and setpoints.

The controller’s compact 48×48 mm form factor and 45×45 mm panel cutout make it ideal for control panels with limited space. Despite its small size, it offers advanced alarm functions that improve plant safety and fault detection. Whether for manufacturing lines, HVAC systems, or laboratory environments, this controller delivers consistency and operational reliability.

With a universal power input of 100–240 VAC, the SD-48M-RRN fits seamlessly into global and regional automation systems. Its stable performance and practical feature set make it a dependable choice for users seeking a flexible and durable temperature control solution.

Key Features & Benefits

• Compact 48×48×100 mm design suitable for space-constrained panels
  
• Multi-sensor input: thermocouples (K, J, R, S, B, E, T, C), RTD PT100Ω, 4–20 mA, 0–10 VDC, 1–5 VDC, and humidity sensors
  
• Three relay outputs for flexible control of heaters, fans, or alarms
  
• PID and ON/OFF control for precise or simple temperature management
  
• Clear digital display showing PV (Process Value) and SV (Set Value)
  
• Wide power supply range: 100–240 VAC
  
• Ten alarm types, including sensor failure, heater failure, and limit alarms
  
• “N” model designation confirming no communication port for simplified standalone use
  

Technical Specifications – Samwon SD-48M-RRN

Applications & Industries

The SD-48M-RRN is suitable for a variety of industrial and commercial applications:

• Industrial machinery: mold temperature control, heating systems, production lines
  
• Food processing: oven temperature control, drying systems
  
• HVAC and environmental controls
  
• Laboratory and research equipment requiring precise thermal regulation
  
• General-purpose process temperature and humidity control in UAE/MENA facilities
  

Installation, Commissioning & Maintenance

• Install into a 45×45 mm panel cutout for a secure and flush mounting.
  
• Connect the appropriate sensor type (thermocouple, RTD, DC signal, or humidity sensor) based on the application.
  
• Configure PID or ON/OFF control through the front panel settings to match process requirements.
  
• Use relay outputs to drive heaters, fans, or auxiliary devices as needed.
  
• Periodically inspect wiring, relay contacts, and sensor connections to ensure stable operation.
  
• Check and adjust alarm parameters to maintain process safety and detect early equipment faults.
  

Why Choose the Samwon SD-48M-RRN Temperature Controller

The SD-48M-RRN delivers a versatile combination of multi-sensor compatibility, reliable relay outputs, and precise PID control. Its compact design and wide-ranging input support make it adaptable to different process environments, from industrial machinery to laboratory instruments.

Dubai Sensor provides trusted access to Samwon products in the region, ensuring reliable sourcing for organizations in the UAE and MENA. With its stable performance, intuitive display, and advanced alarm features, this model is a dependable solution for accurate, efficient temperature regulation.

Ordering Guide

Follow these steps to order the correct configuration:

1. Confirm the model: SD-48M-RRN
   
2. Verify input sensor requirements: thermocouple, RTD, voltage, current, or humidity
   
3. Check output needs: three relay outputs included
   
4. Confirm power supply compatibility: 100–240 VAC
   
5. Review installation size: ensure panel cutout is 45×45 mm
   
6. Place order through Dubai Sensor, the official distributor of Samwon products in the region

FAQ

Q1: What input types does the Samwon SD-48M-RRN support?
The SD-48M-RRN supports thermocouples (K, J, R, S, B, E, T, C), RTD PT100Ω, DC voltage inputs (0–10 VDC, 1–5 VDC), DC current (4–20 mA), and humidity sensors.

Q2: How many outputs are available on this controller?
The device includes three relay outputs for controlling heaters, fans, alarms, or other equipment.

Q3: What control methods are available?
It supports both PID and ON/OFF control modes.

Q4: What is the power supply requirement?
The controller operates on a universal power supply of 100–240 VAC.

Q5: Does the SD-48M-RRN include communication ports?
No. The “N” in the model code indicates the unit does not include any serial communication interfaces.

Q6: What is the panel cutout size for installation?
The panel cutout required is 45 × 45 mm.

Q7: What alarms are supported by this controller?
The SD-48M-RRN supports 10 alarm types, including sensor failure, heater failure, and high/low temperature limit alarms.

Q8: Does the controller have a fixed measuring range?
No. The measuring range depends on the type of input sensor used.

Q9: What does the display show?
The digital display shows the Process Value (PV) and Set Value (SV).

Q10: Where can users in the UAE/MENA region source this controller?
It is available through Dubai Sensor, the official distributor of Samwon products in the region.

Data Sheet