The Denki Seigyo DTC4M-2AASR is a high-performance Digital PID Temperature Controller designed for precise temperature control in industrial heating and cooling applications. Featuring a 72 × 72 mm DIN panel size, 4-digit dual LED display, dual alarm outputs, SSR drive output, relay control output, and 220 VAC power supply, the DTC4M Series delivers exceptional temperature stability, fast response, and reliable operation for demanding industrial processes. Temperature controllers in this class commonly support universal temperature inputs, Auto-Tuning PID control, and multiple output configurations for industrial automation.
Key Features
- 72 × 72 mm DIN panel size
- Bright 4-digit dual LED display (PV & SV)
- Auto-Tuning PID control
- PID / ON-OFF control modes
- Universal thermocouple & RTD input
- SSR drive output
- Relay control output
- Two programmable alarm outputs
- High measurement accuracy
- Fast sampling response
- Heating & Cooling control
- Password protection
- Sensor correction function
- Power failure memory
- Industrial EMI protection
- Long service life
Product Model
| Model | Display | Panel Size | Supply Voltage | Output | Alarm |
|---|---|---|---|---|---|
| DTC4M-2AASR | 4-Digit Dual LED | 72 × 72 mm | 220 VAC | SSR + Relay | Dual Alarm |
Model Code Structure
Example: DTC4M-2AASR
| Code | Description |
|---|---|
| D | Denki Seigyo |
| TC | Temperature Controller |
| 4 | 4-Digit Dual Display |
| M | Medium DIN Size (72 × 72 mm) |
| 2A | Dual Alarm Outputs |
| A | 220 VAC Power Supply |
| S | SSR Drive Output |
| R | Relay Control Output |
Complete Model Description
DTC4M-2AASR = Denki Seigyo 4-Digit Dual Display Temperature Controller, 72 × 72 mm DIN Size, Dual Alarm Outputs, 220 VAC Supply, SSR Drive Output with Relay Control Output.
Technical Specifications
General Specifications
| Parameter | Specification |
|---|---|
| Controller Type | Digital PID Temperature Controller |
| Display | Dual 4-digit LED (PV & SV) |
| Control Method | PID / ON-OFF |
| Panel Size | 72 × 72 mm |
| Panel Cutout | 68 × 68 mm |
| Accuracy | ±0.5% FS ±1 Digit |
| Sampling Time | Approx. 100 ms |
Input Specifications
| Parameter | Specification |
|---|---|
| Input Type | Universal Temperature Input |
| Thermocouple | K, J, T, E, R, S, B, N |
| RTD | Pt100 |
Output Specifications
| Parameter | Specification |
|---|---|
| Main Output | Relay + SSR Drive |
| Relay Rating | 250 VAC, 3 A (Resistive) |
| SSR Drive Output | 12 VDC Pulse |
| Alarm Outputs | 2 Programmable Relay Alarms |
Electrical Specifications
| Parameter | Specification |
|---|---|
| Power Supply | 220 VAC, 50/60 Hz |
| Power Consumption | ≤5 VA |
| Insulation Resistance | ≥100 MΩ |
| Dielectric Strength | 2000 VAC / 1 Minute |
Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | −20°C to +70°C |
| Humidity | 35–85% RH (Non-condensing) |
Mechanical Specifications
| Parameter | Specification |
|---|---|
| Panel Dimensions | 72 × 72 mm |
| Panel Cutout | 68 × 68 mm |
| Mounting | DIN Panel Mount |
| Housing Material | Flame-Retardant ABS |
| Display | High-Brightness Red/Green LED |
Display Functions
- Process Value (PV) Display
- Set Value (SV) Display
- Control Output Indicator
- SSR Output Indicator
- Alarm 1 & Alarm 2 Indicators
- Auto-Tuning Status Indicator
Control Functions
- Auto-Tuning PID
- Manual PID Parameter Setting
- Heating Control
- Cooling Control
- ON/OFF Control
- Temperature Offset
- Alarm Delay
- Sensor Error Detection
- Parameter Lock
- Memory Retention During Power Failure
Typical Applications
The DTC4M-2AASR is suitable for:
- Plastic Injection Moulding Machines
- Extrusion Machines
- Heat Treatment Furnaces
- Industrial Ovens
- Packaging Machinery
- Food Processing Equipment
- Laboratory Instruments
- Pharmaceutical Equipment
- Textile Machinery
- Rubber Processing
- Ceramic Kilns
- Industrial Automation Panels
Advantages
- Large 72 × 72 mm display for easy monitoring
- High-accuracy PID control
- Universal sensor compatibility
- SSR and relay outputs in one controller
- Dual alarm protection for process safety
- Stable control with minimal overshoot
- Easy configuration and maintenance
- Reliable long-term industrial performance
Why Choose Denki Seigyo DTC4M Series?
- Industrial-grade PID temperature control
- Large DIN-standard panel size
- Universal thermocouple and RTD support
- Auto-Tuning for improved process stability
- Flexible SSR and relay outputs
- Dual programmable alarms
- Designed for continuous industrial operation
- Suitable for a wide range of thermal control applications
Frequently Asked Questions
What is the panel size of the DTC4M-2AASR?
The DTC4M-2AASR has a 72 × 72 mm DIN panel size with a 68 × 68 mm panel cutout, making it ideal for industrial control panels.
Which temperature sensors are supported?
The controller supports multiple thermocouple inputs (K, J, T, E, R, S, B, N) and Pt100 RTD, offering flexibility for different industrial applications.
What output types are available?
The DTC4M-2AASR includes:
- SSR Drive Output
- Relay Control Output
- Two Programmable Alarm Outputs
Does the controller support Auto-Tuning PID?
Yes. The DTC4M Series features Auto-Tuning PID to automatically optimize control parameters for improved temperature stability and reduced overshoot.
What industries use the DTC4M-2AASR?
The controller is widely used in plastic processing, packaging machinery, industrial ovens, furnaces, food processing, laboratory equipment, textile machinery, pharmaceutical equipment, and general industrial automation.
Product Summary
The Denki Seigyo DTC4M-2AASR Digital PID Temperature Controller combines a 72 × 72 mm DIN panel size, 4-digit dual LED display, Auto-Tuning PID control, SSR drive output, relay control output, dual programmable alarms, and 220 VAC power supply to provide precise and reliable temperature control. It is an excellent solution for industrial heating and process control applications requiring high accuracy, dependable performance, and easy integration into automation systems.





