Description
The Woodward 8237-1597 temperature monitoring and alarm module is widely used in industries where precise thermal management is critical to equipment safety and operational uptime. This product is designed for harsh industrial environments such as power generation plants, oil and gas facilities, petrochemical processing units, and marine propulsion systems. Its role is to provide continuous, reliable monitoring of temperature points on vital machinery like gas turbines, steam turbines, compressors, and large pumps. Controlling and monitoring temperatures is essential to preventing overheating, which can cause catastrophic mechanical failures, reduce equipment lifespan, and trigger costly unplanned downtime. When integrated into control and protection systems, the 8237-1597 provides early warnings or triggers shutdowns based on configurable alarm setpoints, helping operators maintain safe operating conditions. Its noise immunity and accuracy make it indispensable in electrically noisy industrial settings where trustworthy temperature data is non-negotiable. Thus, it is highly applicable in control systems needing dependable condition-based monitoring and layered safety protection.
- 8237-1597
The Woodward 8237-1597 is a specialized temperature monitor and alarm module within Woodward’s ProAct™ series of control and protection products. This module accepts signals from sensors such as resistance temperature detectors (RTDs) and thermocouples, converts these analog measurements into monitored digital signals, and provides configurable alert and danger alarms. Functioning as an independent thermal sentinel, the 8237-1597 fits within a modular enclosure designed to protect critical machinery by delivering precise temperature measurements and reliable alarm triggers. It integrates seamlessly with Woodward’s industrial control platforms including turbine and compressor controllers, enhancing system safety and automation capabilities. The module’s rugged construction, noise-resistant circuitry, and flexible mounting options ensure it fits well within industrial control panels and protection racks. For engineers and system integrators, 8237-1597 delivers a trusted building block for thermal monitoring systems requiring high reliability and redundancy in critical applications.
The core strength of the Woodward 8237-1597 lies in its advanced signal conditioning engineered for high accuracy and stability under demanding conditions. Its circuitry compensates for lead wire resistance especially important for 3-wire RTDs, delivers stable reference junctions for thermocouples, and provides open sensor detection that triggers alarms if sensor wiring fails. This ensures no false readings compromise safety. The module offers a user-configurable alert and shutdown setpoints, allowing precise adaptation to specific equipment thermal limits. Its relay outputs provide direct signals to turbine control units or safety instrumented systems, facilitating automatic shutdowns or alarms. The 8237-1597 is designed with electrical isolation between channels to prevent faults from cascading across the control network.
Designed to handle the electrical noise and vibration common in turbine or compressor cabinets, the module mounts easily on DIN rails or slot mounts within the Woodward ProAct enclosure, saving panel space and simplifying wiring. Its operating range from -40°C to +85°C suits varied industrial environments. The device supports an 18 to 36 VDC power supply and generates a 4-20 mA analog output proportional to temperature, which allows real-time monitoring and logging. Its reliable relay outputs and diagnostic capabilities enable integration into safety-rated systems, ensuring long-term performance and dependable machine protection.
Parameter | Value |
---|---|
Model | 8237-1597 |
Brand | Woodward |
Product Type | Temperature Monitor / Alarm Module |
Input Type | RTD (100 Ohm Platinum) or Thermocouple (Types J, K, etc.) |
Number of Channels | Multiple (Model dependent, e.g., 2 or 4) |
Measurement Range | -50°C to +500°C (RTD dependent) |
Accuracy | ±0.5% of span or ±1°C |
Output Signals | 4-20mA analog output, relay alert and danger outputs |
Alarm Setpoints | User-configurable (Alert and Shutdown) |
Power Supply | 18 to 36 VDC (Nominal 24 VDC) |
Operating Temperature | -40°C to +85°C |
Mounting | DIN rail or slot mount within ProAct enclosure |
Response Time | < 500 milliseconds |
The Woodward 8237-1597 is related to other modules within the ProAct series such as the 8237-1596 and 8237-1598, which vary in channel counts or output options while providing similar reliable temperature monitoring. It pairs well with Woodward NetCon controllers that utilize its 4-20 mA output for comprehensive system integration. Complementary modules like vibration monitors (e.g., 8237-1246) are often used alongside to cover broad machinery health monitoring needs. The physical ProAct enclosure and compatible power supply modules complete the system housing, simplifying installation and maintenance.
Installation of the 8237-1597 requires pre-planning for panel space, ensuring an appropriate ProAct enclosure is available to house the module along with its power supply and associated wiring. Proper electrical isolation and grounding per industrial standards are essential to maintain noise immunity and signal integrity. Mounting on a DIN rail or slot mount within a ProAct enclosure helps reduce wiring complexity and saves valuable panel real estate.
Maintenance involves regular visual inspection of wiring and sensor connections, checking for dust or corrosion. Diagnostic checks on alarm relay outputs and signal outputs help confirm functional integrity. Firmware or configuration updates, if applicable, should be carried out using official tools and documented procedures. Consistent preventative care helps ensure the 8237-1597 continues providing accurate thermal monitoring vital to system safety.