The Denki Seigyo DTC4H-2AASR is a high-performance Digital PID Temperature Controller designed for accurate temperature regulation in industrial heating and cooling applications. Featuring a 48 × 96 mm vertical DIN panel size, 4-digit dual LED display, dual alarm outputs, SSR drive output, relay control output, and 220 VAC power supply, the DTC4H Series delivers reliable and stable temperature control for demanding industrial processes.
Its vertical design provides excellent visibility while occupying less panel width, making it an ideal choice for compact control panels, OEM equipment, ovens, furnaces, and process automation systems. Industrial controllers of this class commonly offer Auto-Tuning PID control, universal temperature sensor inputs, and SSR/relay output combinations.
Key Features
- 48 × 96 mm vertical 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
- Dual 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-grade EMI immunity
- Long service life
Product Model
| Model | Display | Panel Size | Supply Voltage | Output | Alarm |
|---|---|---|---|---|---|
| DTC4H-2AASR | 4-Digit Dual LED | 48 × 96 mm | 220 VAC | SSR + Relay | Dual Alarm |
Model Code Structure
Example: DTC4H-2AASR
| Code | Description |
|---|---|
| D | Denki Seigyo |
| TC | Temperature Controller |
| 4 | 4-Digit Dual Display |
| H | Vertical DIN Size (48 × 96 mm) |
| 2A | Dual Alarm Outputs |
| A | 220 VAC Power Supply |
| S | SSR Drive Output |
| R | Relay Control Output |
Complete Model Description
DTC4H-2AASR = Denki Seigyo 4-Digit Dual Display Temperature Controller, 48 × 96 mm Vertical 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 | 48 × 96 mm |
| Panel Cutout | 45 × 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 | 48 × 96 mm |
| Panel Cutout | 45 × 92 mm |
| Mounting | DIN Panel Mount |
| Housing Material | Flame-Retardant ABS |
| Display | High-Brightness Red/Green LED |
Display Functions
The dual LED display enables easy monitoring of process conditions.
- Process Value (PV) Display
- Set Value (SV) Display
- Control Output Indicator
- SSR Output Indicator
- Alarm 1 & Alarm 2 Indicators
- Auto-Tuning Indicator
Control Functions
- Auto-Tuning PID
- Manual PID Parameter Adjustment
- Heating Control
- Cooling Control
- ON/OFF Control
- Temperature Offset
- Alarm Delay
- Sensor Break Detection
- Parameter Lock
- Memory Retention During Power Failure
Typical Applications
The DTC4H-2AASR is ideal for:
- Industrial Ovens
- Heat Treatment Furnaces
- Plastic Injection Moulding Machines
- Extrusion Machines
- Packaging Machinery
- Food Processing Equipment
- Textile Machinery
- Pharmaceutical Equipment
- Laboratory Instruments
- Rubber Processing Machines
- Ceramic Kilns
- Industrial Automation Panels
Advantages
- Space-saving 48 × 96 mm vertical design
- Large, easy-to-read dual LED display
- High-accuracy PID temperature control
- Universal thermocouple and RTD compatibility
- SSR and relay outputs in one controller
- Dual alarm outputs for enhanced process safety
- Stable control with minimal temperature overshoot
- Reliable operation in harsh industrial environments
Why Choose Denki Seigyo DTC4H Series?
- Industrial-grade PID control performance
- Vertical DIN design for compact panels
- Universal sensor input compatibility
- Auto-Tuning for optimized temperature stability
- Flexible SSR and relay output configuration
- Dual programmable alarms
- Easy installation and operation
- Designed for continuous industrial applications
Frequently Asked Questions
What is the panel size of the DTC4H-2AASR?
The DTC4H-2AASR features a 48 × 96 mm DIN panel size with a 45 × 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 a wide range of industrial applications.
What output types are available?
The DTC4H-2AASR includes:
- SSR Drive Output
- Relay Control Output
- Two Programmable Alarm Outputs
Does the controller support Auto-Tuning PID?
Yes. The DTC4H Series features Auto-Tuning PID to automatically optimize PID parameters, improving temperature stability while minimizing overshoot.
Where is the DTC4H-2AASR commonly used?
It is widely used in industrial ovens, furnaces, plastic processing machinery, food processing equipment, packaging machines, laboratory equipment, textile machinery, pharmaceutical systems, and industrial automation panels.
Product Summary
The Denki Seigyo DTC4H-2AASR Digital PID Temperature Controller combines a 48 × 96 mm vertical 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 precise and reliable temperature control. Designed for industrial automation, the DTC4H Series offers excellent accuracy, dependable performance, and flexible integration for heating and process control applications.
