Excellent PLC
| Company Information | ||||||||
| sales@xmjzjsgs.com | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Introduction
The Yokogawa AAT141-S00 S2 is an upgraded version of the standard AAT141-S00 TC/mV input module, engineered specifically for use in mission-critical industrial automation systems such as CENTUM VP and ProSafe-RS. This enhanced S2 version belongs to Yokogawa’s N-IO (Network I/O) system and provides high-density, accurate temperature and millivolt signal inputs in environments that demand high reliability, redundancy, and operational continuity.
It is widely used in process industries where input redundancy, precise signal acquisition, and seamless integration with distributed control systems (DCS) are essential. With 16 input channels, each isolated, the AAT141-S00 S2 supports multiple thermocouple types and low-voltage DC signals. The module offers robust signal conditioning, noise immunity, diagnostics, and a compact form factor suitable for modern industrial control cabinets.
This model is especially applicable for industries adhering to IEC 61508 and SIL2/3 functional safety standards, making it suitable for both safety and control loops in hazardous or regulated environments.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | AAT141-S00 S2 |
| Input Type | Thermocouple (Types B, E, J, K, N, R, S, T) / DC mV input |
| Number of Input Channels | 16 channels |
| Input Signal Range (mV) | -10 mV to +100 mV |
| Thermocouple Input Range | Based on individual TC type specifications |
| Input Accuracy | ±0.1% of span |
| Resolution | 16-bit A/D |
| Input Impedance | ≥10 MΩ |
| Isolation | Channel-to-channel and channel-to-system galvanic isolation |
| Cold Junction Compensation | Internal or External selectable |
| Burnout Detection | Available (selectable upscale/downscale output) |
| Update Cycle (Scan Time) | 100 ms |
| Self-diagnostics | Module status, open circuit detection, abnormal input detection |
| Power Supply | Via baseplate (from system backplane) |
| Redundancy Support | Yes (when used with redundant I/O configuration) |
| Operating Temperature Range | -20°C to +60°C |
| Storage Temperature Range | -40°C to +85°C |
| Humidity | 5–95% RH (non-condensing) |
| Shock Resistance | 10 m/s² (IEC 60068-2-27 compliant) |
| Vibration Resistance | 5–9 Hz (1.75 mm amplitude), 9–150 Hz (4.9 m/s²) |
| Dimensions (H × W × D) | 107.5 × 32.8 × 130 mm |
| Weight | 0.2 kg |
| Mounting Method | Mounted on the N-IO base unit |
| Certifications/Compliance | CE, UL, CSA, RoHS, SIL2/SIL3 (IEC 61508) |
Applications
The AAT141-S00 S2 TC/mV Input Module is designed for use in demanding process industries and safety instrumented systems. It is deployed where temperature monitoring and low-voltage signal acquisition are mission-critical:
-
Oil & Gas Refineries – for burner temperature, heat exchanger performance, and safety interlocks.
-
Chemical Processing Plants – to monitor critical reaction conditions requiring precise thermal feedback.
-
Power Generation – including gas and steam turbines, where thermal input is essential for control loops.
-
Pharmaceutical Manufacturing – for GMP-compliant temperature control in reactors and ovens.
-
Water & Wastewater – for sludge treatment, evaporation, and sterilization monitoring.
-
Pulp & Paper Mills – in high-temperature sections of the paper drying or bleaching processes.
-
Food & Beverage – for cooking, fermentation, and quality control monitoring of temperature.
Advantages
-
High Input Density: 16 isolated input channels reduce the number of modules needed in large systems.
-
Comprehensive Thermocouple Support: Handles all common TC types, providing broad sensor compatibility.
-
Redundancy Ready: Supports redundant I/O configurations for high-availability systems.
-
Functional Safety Certified: SIL2/SIL3 compliance allows safe use in safety instrumented functions (SIFs).
-
Modular Hot-Swapping: Facilitates maintenance and module replacement without shutting down the system.
-
Advanced Diagnostics: Monitors module health, wiring status, and input integrity in real-time.
-
Minimal Footprint: Compact size makes it suitable for high-density cabinet installation.
-
Long Service Life: Built for durability and operational stability in harsh industrial environments.
FAQ – Frequently Asked Questions
-
What distinguishes the S2 version from the standard AAT141-S00?
The S2 version supports redundancy, has improved diagnostics, and is safety-certified (SIL2/SIL3). -
Is this module compatible with both CENTUM VP and ProSafe-RS systems?
Yes, it is designed for seamless integration with both systems. -
Can I use the AAT141-S00 S2 for functional safety applications?
Yes, it is compliant with IEC 61508 and suitable for SIL2/SIL3 applications. -
How is the cold junction compensation handled?
It can use either an internal sensor or an external one, depending on the configuration. -
Does the module require external power?
No, it receives power through the system baseplate. -
Can different thermocouple types be used across different channels?
Yes, each channel can be individually configured for a specific thermocouple type. -
What happens if a thermocouple wire breaks?
The module supports burnout detection and can signal an alarm if a circuit is open. -
Is the module suitable for high-vibration environments?
Yes, it meets industry standards for vibration and shock resistance. -
How are diagnostics presented to the user?
Status LEDs on the module and diagnostic signals are transmitted to the control system. -
What is the expected lifespan of the AAT141-S00 S2?
It is designed for long-term industrial use and can operate reliably for over 10 years under standard conditions.
Recommended Related Models (Same Series or Functionality)
| Model | Description | Input Type | Channels | Notes |
|---|---|---|---|---|
| AAT141-S00 | Standard TC/mV Input Module | Thermocouple/mV | 16 | Base version without S2 enhancements |
| AAT145-S00 S2 | RTD Input Module (S2 version) | RTD | 16 | For resistance temperature detectors |
| AAI141-H00 S2 | Analog Input Module (High Speed, S2) | Voltage/Current | 8 | Fast scan cycles for control-critical inputs |
| ADV151-P00 S2 | Sequence Control Processor (S2) | Logic Control | N/A | For sequence processing in N-IO systems |
| AAI543-H00 S2 | HART Analog Input Module | 4-20 mA with HART | 8 | Supports HART communication protocol |
| AAR181-S00 S2 | Relay Output Module (S2 version) | Relay Contact Output | 8 | For actuation and control signal output |
Popular Yokogawa Models (Across Product Lines)
| Model | Description | Application | Key Features |
|---|---|---|---|
| CP451-10 | Central Processor Module | DCS central control | Dual-redundant support, high performance |
| AAI143-H00 | Standard Analog Input Module | General process control | High input accuracy, isolated inputs |
| PW482 | Power Supply Module | Power distribution in cabinets | Redundant, overload protection |
| AMN11 | Fieldbus Interface Module | Field communication gateway | Supports FOUNDATION Fieldbus and Profibus |
| STARDOM FCN-500 | Autonomous Controller | Edge control and remote sites | Compact, programmable logic controller |
| AAI835-H00 | HART Input Module | Process control with diagnostics | Integrates HART for device communication |
