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AKT4R111100 is a multifunctional PID temperature controller from Panasonic’s KT4R series in 1/16 DIN size. It is designed for precise temperature control in industrial processes, featuring a compact panel-mount design of 48×48×58.8mm. It supports multiple RTD and thermocouple inputs, provides relay control output and dual alarm outputs. The product is discontinued but still available from existing stock.
Core control functions:
PID control algorithm: Supports heating/cooling dual-mode control with auto-tuning for accurate temperature regulation
Multi-input compatibility: Accepts thermocouples Type B, C, E, J, K, N, PL-II, R, S, T, W and various RTDs
Dual alarm outputs: Configurable for high limit, low limit, deviation and other modes to ensure equipment safety
Dual display: Dual-line, dual-color LED showing process value (PV) and set value (SV) simultaneously
Manual/auto switch: Convenient for commissioning and maintenance, improving operational flexibility
- Detailed Model Code Interpretation
| Segmento modello | Senso | Descrizione |
| AKT4R | Product series and basic type | AKT = Panasonic temperature controller prefix |
| 4 = dimensions (48×48mm, 1/16 DIN) | ||
| R = KT4R series (tipo standard, discontinued) | ||
| 111100 | Function configuration and output type | 1 = supply voltage (100–240V AC) |
| 1 = control output (relay output, 1UN, AC250V 3A) | ||
| 1 = number of alarm outputs (2 punti, 1a+1a) | ||
| 1 = communication function (none) | ||
| 00 = special options (standard configuration) |
- Key Technical Parameters and Hardware Configuration
| Articolo | Specifica | Descrizione |
| Supply voltage | 100–240V AC (50/60Hz) | Wide voltage range for global industrial power systems |
| Control output | Relay output (1UN), AC250V 3A | Directly drives small heaters or contactors |
| Alarm outputs | 2 relay outputs (1a+1a), AC250V 3A | Dual safety protection |
| Input range | Thermocouple: -200°C ~ 2315°C | Covers most industrial temperature measurement applications |
| RTD: -200°C ~ 850°C | ||
| Analog: 0~20mA, 0~10V | ||
| Temperature accuracy | ±0.2%FS±1°C | High‑precision measurement for industrial control |
| Display | Dual‑line dual‑color LED, PV: 12.4mm (red), SV: 8.8mm (green) | Clear display for easy reading and operation |
| Operating environment | -10°C ~ 55°C, humidity 10%~90% RH (senza condensa) | Suitable for harsh industrial environments |
| Protection degree | IP66 (front panel with rubber gasket) | Dust‑proof and water‑proof for improved reliability |
- Application Scenarios and Selection Value
Applicable Scenarios
- Industrial heating equipment: Plastic injection molding machines, thermoforming machines, packaging machine heating systems
- Laboratory instruments: Ovens, incubators, constant-temperature water baths, environmental test chambers
- Food processing: Baking equipment, sterilization equipment, cold chain temperature control
- Electronics manufacturing: Reflow ovens, wave soldering machines, semiconductor packaging equipment
- Chemical and pharmaceutical: Temperature control for reactors, distillation columns, drying equipment
- HVAC: Temperature control for industrial workshops and cleanrooms
Advantages (before discontinuation)
Compact design: Saves cabinet space, suitable for high-density installation
Multi-input compatibility: Reduces spare part types and inventory costs
Simple operation: Intuitive keypad for fast parameter setup
Alta affidabilità: Panasonic industrial-grade quality, long MTBF, suitable for continuous operation
Cost-effective: Comprehensive functions, moderate price, ideal for small and medium equipment
- Alternative Product Solutions (Discontinued)
5.1 Panasonic Original Alternatives
| Alternative Model | Key Improvements | Compatibilità |
| AKT4B111100 | KT4B series (black panel, replaces KT4R), same functions, in production | ★★★★★ |
| AKT4H111100 | KT4H series (gray panel), same dimensions, higher protection | ★★★★★ |
| AKT4R1111001 | With RS485 communication, supports Modbus for remote monitoring | ★★★★☆ |
5.2 Other Brand Alternatives
International Brands
| Alternative Model | Marca | Funzioni principali | Compatibilità |
| E5CC‑RX2ASM‑800 | OMRON | 1/16 DIN, multi‑input, relay output, RS485 | ★★★★★ |
| 3504P‑1‑0100 | Honeywell | Compatto, PID control, dual alarm, ampia tensione | ★★★★☆ |
| TC48‑20‑R | Siemens | 48×48mm, multi‑input, relay output, IP65 | ★★★★☆ |
Domestic Brands
| Alternative Model | Marca | Funzioni principali | Compatibilità |
| XMTG‑7411 | Yudian (AiLi) | 1/16 DIN, PID control, multi‑input, relay output | ★★★★★ |
| CH402 | Huibang | 48×48mm, dual display, dual alarm, economical | ★★★★☆ |
| RKC‑REX‑C100 | RKC | Compatto, PID control, auto‑tuning, global use | ★★★★★ |
- Guidelines for Alternative Selection
- Function matching: Prioritize models with relay output, dual alarms, and multi-input compatibility to match original functions
- Size compatibility: Must be 48×48mm (1/16 DIN) panel mount to avoid re-drilling
- Communication requirement: For remote monitoring, choose models with RS485/Modbus
- Power supply: Confirm 100–240V AC wide-range input compatibility
- Certificazione: Select products with relevant safety certifications for target industries (per esempio., food, medico)
As a KT4R series temperature controller, the Panasonic AKT4R111100 was widely used in industrial automation for its compact design, multi-input compatibility, ed efficienza in termini di costi, especially for temperature control in small and medium heating equipment and laboratory instruments.
Anche se interrotto, it can be replaced by Panasonic’s KT4B/KT4H series or alternatives from OMRON, Yudian and others. Models with communication functions are recommended to improve system intelligence and remote monitoring capability.
Application Scenarios of Panasonic AKT4R111100 Temperature Controller
- Overview of Core Capabilities
The Panasonic AKT4R111100 is a compact PID temperature controller from the KT4R series, 1/16 DIN (48×48mm). It features multi-input support (thermocouple/RTD/analog), relay control output, dual alarm outputs, and wide voltage power supply (100–240V AC). It is discontinued but still widely used in industry.
Its core value is to provide high-precision closed-loop temperature control and dual safety protection, especially for space-limited small and medium equipment and laboratory instruments.
- Main Application Scenarios
2.1 Plastics and Rubber Industry
| Equipment | Controlled Object | Protection Value |
| Injection molding machine | Barrel and nozzle temperature | Stabilizes melt temperature, ensures product consistency, prevents material degradation |
| Extruder | Screw zone and die head temperature | Precisely controls melt viscosity, avoids overheating, improves efficiency |
| Thermoforming machine | Heating plate and mold temperature | Ensures uniform heating, improves forming accuracy, reduces scrap |
| Vulcanizing press | Hot plate and mold temperature | Controls vulcanization temperature for stable rubber properties |
Typical configuration: K-type thermocouple input + relay output for heater control + dual alarms (overtemperature + sensor fault)
2.2 Electronics Manufacturing and Semiconductor Industry
| Equipment | Controlled Object | Protection Value |
| Reflow oven | Temperature profile in preheat, soldering, cooling zones | Precise soldering control, prevents component damage, improves yield |
| Wave soldering machine | Solder pot and preheat temperature | Stabilizes solder fluidity, ensures joint quality |
| LCD curing oven | Curing temperature | Ensures uniform curing, improves display performance |
| Semiconductor packaging | Package mold and heating chamber | Precise temperature control for chip performance |
| PCB drying equipment | Drying and hot air circulation temperature | Prevents board deformation, ensures coating adhesion |
2.3 Laboratory and Scientific Instruments
| Equipment | Controlled Object | Protection Value |
| Constant temperature oven / dryer | Chamber and hot air temperature | Precise environmental control for reliable test data |
| Incubator / bioreactor | Culture and fermentation temperature | Stable growth conditions, improves experiment success rate |
| Environmental test chamber | Temperature for thermal/humidity testing | Simulates extreme environments for product reliability testing |
| Constant water/oil bath | Bath and circulating fluid temperature | Precise medium temperature for material testing |
| Muffle furnace / resistance furnace | Furnace and heating element temperature | Precise high‑temperature control for material heat treatment |
2.4 Food and Packaging Industry
| Equipment | Controlled Object | Protection Value |
| Baking equipment | Oven and zone temperature | Uniform baking, improves taste and appearance |
| Sterilization equipment | Sterilization temperature and holding time | Ensures food safety, extends shelf life |
| Packaging machine | Heat sealing and shrink film temperature | Ensures tight sealing, prevents leakage |
| Beverage filling machine | Preheat and sterilization temperature | Maintains product quality, avoids contamination |
| Chocolate molding | Melting and mold temperature | Uniform molding, improves texture |
2.5 Chemical and Pharmaceutical Industry
| Equipment | Controlled Object | Protection Value |
| Reactor | Reaction and jacket temperature | Controls reaction rate, ensures product purity |
| Distillation column | Bottom and top temperature | Improves separation efficiency |
| Drying equipment | Drying and hot air temperature | Ensures target moisture, prevents caking |
| Pharmaceutical oven | Sterilization and drying temperature | Meets GMP requirements, ensures drug quality |
| Lab reaction setup | Micro‑reaction and heating module temperature | Precise experimental conditions |
2.6 Printing and Paper Industry
| Equipment | Controlled Object | Protection Value |
| Printing machine | Drying roller and ink preheat | Accelerates drying, prevents smudging |
| Laminating machine | Laminating roller and preheat | Ensures strong film bonding |
| Paper machine | Dryer section and cylinder temperature | Controls moisture, improves paper quality |
| Film laminator | Laminating and pressing temperature | Ensures smooth finish |
2.7 Other Industrial and Special Applications
| Equipment | Controlled Object | Protection Value |
| HVAC systems | Workshop and cleanroom temperature | Stable working environment |
| Industrial electric furnace | Furnace and heater temperature | Efficient, precise heating |
| Auto parts testing | Test and environmental temperature | Ensures performance under extreme conditions |
| Battery test equipment | Charge/discharge and ambient temperature | Sicuro, accurate testing |
| Explosion‑proof heating | Hazardous area temperature | Works with explosion‑proof systems for safety |
- Key Advantages for Application Scenarios
3.1 Suitable Features
Compatto (48×48mm): Ideal for high-density panels and small machines
Multi-input: Supports most industrial sensors, reduces spare parts
Dual alarms: Redundant protection for critical equipment
Wide voltage (100–240V AC): Global compatibility
IP66 front panel: Dust- and water-resistant in harsh environments
3.2 Limitations and Recommendations
Discontinued: Use AKT4B/AKT4H series or OMRON/Yudian alternatives
No communication: For remote monitoring, choose RS485/Modbus models
Relay output limited to 3A: For large loads, use an external contactor
- Selection and Replacement Suggestions
| Application | Recommended Alternative | Upgrade Suggestion |
| Industrial heating | Panasonic AKT4B111100 | Add RS485 for remote monitoring |
| Laboratory instruments | OMRON E5CC‑RX2ASM‑800 | Higher accuracy, program control |
| Food processing | Yudian XMTG‑7411 | Industry‑certified version |
| Electronics manufacturing | Honeywell 3504P‑1‑0100 | Profile control for processes |
The Panasonic AKT4R111100 is widely used in plastics, electronics, laboratori, food and packaging due to its compact size, universal input, ed efficienza in termini di costi, especially for small and medium heating equipment.
Anche se interrotto, its applications can be continued with original or third-party replacements. Models with communication are recommended to enhance intelligence and remote management.
