The Denki Seigyo DTC4L-2AASR is a premium Digital PID Temperature Controller designed for high-accuracy industrial temperature control applications. Featuring a 96 × 96 mm DIN panel size, 4-digit dual LED display, dual alarm outputs, SSR drive output, relay control output, and 220 VAC power supply, the DTC4L Series delivers stable, precise, and reliable temperature regulation for a wide range of industrial heating and cooling processes.
Its larger display provides excellent visibility from a distance, making it ideal for control panels in furnaces, ovens, extrusion machines, heat treatment systems, and process automation. Controllers in this size commonly support universal temperature inputs, Auto-Tuning PID control, and SSR/relay output combinations for industrial applications.
Key Features
- 96 × 96 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 100 ms sampling cycle
- Heating & Cooling control
- Password protection
- Sensor offset correction
- Parameter memory after power failure
- Industrial EMI immunity
- Long service life
Product Model
| Model | Display | Panel Size | Supply Voltage | Output | Alarm |
|---|---|---|---|---|---|
| DTC4L-2AASR | 4-Digit Dual LED | 96 × 96 mm | 220 VAC | SSR + Relay | Dual Alarm |
Model Code Structure
Example: DTC4L-2AASR
| Code | Description |
|---|---|
| D | Denki Seigyo |
| TC | Temperature Controller |
| 4 | 4-Digit Dual Display |
| L | Large DIN Size (96 × 96 mm) |
| 2A | Dual Alarm Outputs |
| A | 220 VAC Power Supply |
| S | SSR Drive Output |
| R | Relay Control Output |
Complete Model Description
DTC4L-2AASR = Denki Seigyo 4-Digit Dual Display Temperature Controller, 96 × 96 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 | 96 × 96 mm |
| Panel Cutout | 92 × 92 mm |
| Accuracy | ±0.5% FS ±1 Digit |
| Sampling Time | 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 Control Output | Relay + SSR Drive |
| Relay Contact Rating | 250 VAC, 3 A (Resistive) |
| SSR Drive Output | 12 VDC Pulse |
| Alarm Outputs | 2 Programmable Alarm Outputs |
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 |
| Relative Humidity | 35–85% RH (Non-condensing) |
Mechanical Specifications
| Parameter | Specification |
|---|---|
| Panel Dimensions | 96 × 96 mm |
| Panel Cutout | 92 × 92 mm |
| Mounting | DIN Panel Mount |
| Housing Material | Flame-Retardant ABS |
| Display | High-Brightness Red/Green LED |
Display Functions
The dual LED display provides clear process monitoring and controller status.
- Process Value (PV) Display
- Set Value (SV) Display
- SSR Output Indicator
- Relay Output Indicator
- Alarm 1 & Alarm 2 Indicators
- Auto-Tuning Indicator
Control Functions
- Auto-Tuning PID
- Manual PID Parameter Setting
- ON/OFF Control
- Heating Control
- Cooling Control
- Sensor Offset Correction
- Alarm Delay
- Sensor Break Detection
- Parameter Lock
- Power Failure Memory
Typical Applications
The DTC4L-2AASR is widely used in:
- Industrial Ovens
- Heat Treatment Furnaces
- Plastic Injection Moulding Machines
- Extrusion Machines
- Food Processing Equipment
- Packaging Machinery
- Textile Machinery
- Pharmaceutical Equipment
- Laboratory Instruments
- Rubber Processing Machines
- Ceramic Kilns
- Industrial Automation Panels
Advantages
- Large 96 × 96 mm display for excellent visibility
- Accurate PID temperature control
- Universal thermocouple and RTD compatibility
- SSR and relay outputs in a single controller
- Dual alarm outputs for improved process safety
- Stable control with minimal temperature overshoot
- Easy setup and parameter configuration
- Reliable operation in demanding industrial environments
Why Choose Denki Seigyo DTC4L Series?
- Industrial-grade PID control performance
- Large dual-display interface
- Universal sensor input compatibility
- Auto-Tuning for optimized temperature stability
- Flexible SSR and relay output configuration
- Dual programmable alarms
- Standard 96 × 96 mm DIN mounting
- Designed for continuous industrial operation
Frequently Asked Questions
What is the panel size of the DTC4L-2AASR?
The DTC4L-2AASR features a 96 × 96 mm DIN panel size with a 92 × 92 mm panel cutout, making it suitable for standard 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 sensors, providing flexibility for various industrial applications.
What output types are available?
The DTC4L-2AASR includes:
- SSR Drive Output
- Relay Control Output
- Two Programmable Alarm Outputs
Does the controller support Auto-Tuning PID?
Yes. The DTC4L Series includes Auto-Tuning PID to automatically optimize control parameters, reducing overshoot and improving temperature stability.
What applications is the DTC4L-2AASR suitable for?
It is ideal for industrial ovens, furnaces, plastic processing machines, food processing equipment, packaging machinery, laboratory equipment, textile machinery, pharmaceutical systems, and industrial automation.
Product Summary
The Denki Seigyo DTC4L-2AASR Digital PID Temperature Controller combines a 96 × 96 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 deliver accurate, stable, and reliable temperature control. Designed for demanding industrial applications, the DTC4L Series offers high precision, flexible configuration, and dependable long-term performance for modern process automation.
