Products Description
Product Overview
The Woodward 8273-140 is a high-reliability analog input/output module designed for mission-critical industrial control systems. As part of Woodward’s 8000 series distributed control platform, this versatile module provides precise signal conditioning and conversion capabilities for gas turbine control, power generation management, and heavy machinery automation. The 8273-140 features 16 configurable channels supporting both current (4-20mA) and voltage (0-10V) signals, with galvanic isolation between channels to prevent ground loop interference. Its dual-redundant power supply design and hot-swappable architecture make the Woodward 8273-140 ideal for applications requiring continuous operation in harsh industrial environments. The module’s built-in self-diagnostics and predictive maintenance capabilities significantly reduce system downtime while maintaining ±0.1% measurement accuracy across all channels.
Technical Specifications
| Product Name | 8273-140 |
| Manufacturer | Woodward |
| Product Type | Analog I/O Module |
| Channels | 16 (Configurable Input/Output) |
| Signal Range | 4-20mA / 0-10V |
| Isolation Voltage | 1500V AC between channels |
| Accuracy | ±0.1% FS @ 25°C |
| ｕｐｄａｔｅ Rate | 10ms per channel |
| Power Supply | 24 VDC ±10% (Redundant Inputs) |
| Operating Temp | -40°C to +85°C |
| Communication | Modbus TCP, PROFIBUS DP |
Key Features & Benefits
The Woodward 8273-140 delivers exceptional signal integrity through its advanced noise rejection technology and channel-to-channel isolation. Key advantages include:
Flexible Configuration: Each channel can be independently configured as input or output via software
Redundant Operation: Dual power inputs with automatic failover capability
Real-time Monitoring: Continuous channel health diagnostics with LED status indicators
The module’s ruggedized design features conformal coating for protection against humidity and chemical exposure. Its <1ms response time ensures precise control in dynamic systems, while the front-accessible terminal blocks simplify wiring and maintenance operations. The 8273-140 supports Woodward’s proprietary configuration tools for seamless integration with existing control architectures.
Application Areas
The 8273-140 is widely used in gas turbine control systems for temperature and pressure monitoring, as well as in hydroelectric plants for governor control signal processing. It serves critical functions in offshore oil platforms’ safety systems, industrial boiler control applications, and compressor station automation. The module’s high immunity to electromagnetic interference makes it particularly suitable for steel mill environments and mining operations with heavy electrical noise.
Related Products
8273-120 – 8-Channel Analog Input Module
8274-105 – Digital I/O Expansion Unit
8280-300 – System Backplane Controller
8265-410 – High-Speed Counter Module
8290-200 – Communication Gateway Module
