Products Description
The T9431 AADvance Analog Input Module is a high-reliability input interface module designed for the AADvance safety controller platform. It collects analog signals from field instruments such as transmitters and sensors and converts them into digital values that can be processed by the controller for monitoring and safety logic execution.
This module supports multiple analog input types, primarily 4–20 mA process signals, making it suitable for process measurement applications including pressure, temperature, flow, and level monitoring. Integrated diagnostics and isolation circuits help maintain reliable signal acquisition while protecting the controller from field wiring faults and electrical disturbances.
Functional Role / System Position
Within an AADvance safety architecture, the T9431 module acts as the field signal acquisition interface between process transmitters and the system controller. It receives current signals from instrumentation loops and transfers the measured data through the backplane to the safety processor modules.
The module can operate in different fault-tolerant architectures such as 1oo1D, 1oo2D, or 2oo3D voting configurations, depending on the system safety requirements. This allows it to support SIL-rated safety instrumented systems used in critical industrial applications.
Key Features / Functional Capabilities
- 8 isolated analog input channels designed for process instrumentation signals
- Support for 4–20 mA current loops with extended measurement range
- Integrated diagnostics for open-circuit, short-circuit, and signal range monitoring
- Electrical isolation between channels and system backplane to protect controllers
- Compatible with AADvance safety architectures supporting SIL-rated configurations
- Hot-swappable module design enabling maintenance without shutting down the system
Application Areas / Typical Use Cases
- Safety instrumented systems in oil and gas plants
- Process measurement input acquisition in chemical production lines
- Power generation monitoring systems
- Industrial automation systems requiring SIL-rated signal monitoring
- Integration with pressure, flow, temperature, and level transmitters
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | T9431 |
| Module Type | Analog Input Module |
| Series | AADvance Safety Controller |
| Input Channels | 8 |
| Input Signal Range | 4–20 mA (0–24 mA max) |
| Resolution | 0.0039 mA |
| Measurement Accuracy | ±0.05 mA at 25 °C |
| Supply Voltage | 24 VDC nominal (18–32 VDC range) |
| Module Power Consumption | approx. 1.5–3.3 W |
| Channel Isolation | up to 1.5 kV |
| Operating Temperature | −20 °C to +60 °C |
| Dimensions (H × W × D) | 166 × 42 × 118 mm |
| Weight | approx. 280 g |
Contact Information
For pricing, availability, or technical consultation regarding this model, please contact our sales team:
【Sales Manager】
Silver
【WhatsApp】
+86-18020714492
【Email】
sales1@askplc.com
【WeChat】
+86-18020714492
FAQ
Q1: What is the main function of the T9431 module?
It acquires analog current signals from field transmitters and sends the measured values to the AADvance safety controller for processing.
Q2: How many input channels does the module support?
The T9431 module provides 8 isolated analog input channels for process instrumentation signals.
Q3: What type of signals can the module measure?
It primarily supports 4–20 mA current loop signals, commonly used in industrial process measurement.
Q4: What safety level can this module support?
The module can be used in architectures that achieve SIL 3 safety integrity levels when properly configured within the AADvance safety system.
Q5: What power supply does the module require?
The module operates on a 24 VDC system supply, with an allowable range of approximately 18–32 VDC.
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