The Westinghouse Electric 2D78559 Universal RTD Module converts resistance temperature detector signals into control-compatible outputs for industrial process monitoring and automation. This programmable module accepts multiple RTD input types and interfaces with PLCs, motor protection systems, and distributed control networks via cabled or fiber optic transmission.
Technical Specifications
Input Configuration
• Programmable RTD input types: 10 Ω copper, 100 Ω platinum, 100 Ω nickel, 120 Ω nickel
• Configurable per group
• Monitors up to 11 RTD inputs across four organized groups: six motor windings, two motor bearings, two load bearings, one auxiliary input
Transmission
• Cabled: Three-conductor shielded cable, maximum 500 feet (152 m)
• Fiber optic: Direct link to MP-3000 or IQ1000 II systems, maximum 400 feet (122 m)
Electrical
• Input voltage: 120 Vac ±15%
• Frequency: 50/60 Hz
• Power consumption: 6 VA
Environmental
• Operating temperature: 0° to 70°C (32° to 158°F)
• Storage temperature: -20° to 85°C (-4° to 185°F)
• Humidity: 0 to 95% RH (non-condensing)
Enclosure
• Type 1
– Key Features
• Supports four distinct RTD resistance families for flexible sensor integration
• Long-distance transmission capability via both copper and fiber media
• Dual transmission architecture enables deployment in noisy industrial environments and isolated locations
• Organized input grouping simplifies motor protection and auxiliary monitoring workflows
– Typical Applications
• Motor winding and bearing temperature monitoring
• Load bearing thermal surveillance
• Standalone temperature acquisition with remote relay capability
• Distributed temperature sensing across extended facility networks
– Compatibility & Integration
• Standalone operation for independent temperature monitoring and remote reporting
• Direct integration with MP-3000 motor protection systems
• Compatible with IQ1000 II, IQ1000, and IQ2000 control platforms
• Cutler-Hammer PowerNet Network connectivity with optional PONI adapter
