The Woodward 5462-948 is an 8-channel thermocouple (T/C) input card designed for precision temperature monitoring within industrial governor control systems. This module provides high-resolution signal processing for thermocouple inputs, ensuring reliable data acquisition for critical turbine and engine management applications. Engineered for robust performance, the unit supports a wide input range and maintains high accuracy under varying environmental conditions.
Features
Eight independent input channels for thermocouple sensing.
Integrated channel-to-bus isolation rated at 500 V dc.
High input impedance of 10 MΩ to minimize signal loading.
Designed for standard 24 V dc rack power supply environments.
Wide operating temperature range suitable for industrial control cabinets.
Technical Specifications
Product Model
5462-948
Manufacturer
Woodward
Input Channels
8
Input Range
-10 to +80 mV
Resolution
16-bit
Accuracy
±0.05% FSR ±1 degC
Input Impedance
10 MΩ
Common-mode Voltage
±300 V dc
Isolation
500 V dc (Channel-to-Bus)
Rack Supply Voltage
24 V dc
Module Consumption
0.25 A @ 24 V
Operating Temperature
0 to +60 degC
Storage Temperature
-40 to +85 degC
Relative Humidity
5% to 95% (non-condensing)
Installation Guidelines
Ensure the control system rack is powered down before inserting or removing the 5462-948 module to prevent electrical damage.
Verify that the rack power supply is stable at 24 V dc before applying power to the module.
Maintain proper grounding practices for thermocouple wiring to minimize electromagnetic interference (EMI).
Ensure adequate airflow within the cabinet to keep the module within its specified operating temperature range of 0 to +60 degC.
Handle the module using ESD-safe procedures to protect sensitive internal electronic components.
FAQ
What is the primary function of the Woodward 5462-948? The 5462-948 is an 8-channel thermocouple input card used to interface temperature sensors with Woodward governor control systems for precise engine or turbine monitoring.
Does this module require external isolation? No, the module features built-in channel-to-bus isolation rated at 500 V dc, simplifying integration into existing control loops.
What is the typical power consumption for this card? The module consumes 0.25 A at 24 V dc when operating within its specified parameters.
