ABB Bailey NTAM01 Infi 90 Net 90 Analog Master Termination Unit

Description

The ABB NTAM01 is a critical Analog Master Termination Unit for the Bailey Infi 90 and Net 90 distributed control systems. It serves as the primary interface for redundant IMAMM03 Analog Master Modules, providing a centralized point for signal routing, calibration, and cold junction compensation. This unit is essential in architectures that utilize thermocouple slave modules or require connections to digital indicator stations.

Specifications

• Part Number: NTAM01 (Alternate Part Number: 6637054A1)
  
• Module Type: Analog Master Termination Unit.
  
• Compatibility: Specifically designed for redundant IMAMM03 Analog Master Modules.
  
• Capacity: Supports up to four NTAI02 (Thermocouple/mV) units and up to four NDIS01 Digital Indicator Stations.
  
• Power Requirements: Typically powered by +5 VDC from the cabinet backplane.
  
• Operating Temperature: 0°C to +60°C (32°F to 140°F).
  
• Dimensions: 17.8 cm x 2.5 cm x 20.3 cm (7.0" x 1.0" x 8.0").
  
• Weight: Approximately 0.2 kg (8.0 oz).
  

Features

• Redundancy Management: Enables the seamless switchover between redundant IMAMM03 modules to ensure continuous process monitoring.
• Signal Conditioning & Routing: Passes cold junction reference signals from NTAI02 units to the master modules for accurate temperature calculation.
  
• Calibration Integration: Routes internal calibration voltages from the master module across the termination bus to verify the health of all connected input channels.
  
• Indicator Support: Features dedicated connectors for Digital Indicator Stations, allowing for local operator visualization of process variables.
  
• Standardized Mounting: Designed for easy installation on a standard NFTP01 Field Termination Panel, simplifying cabinet organization.
  
• Diagnostic Safety: Includes onboard fuse protection (typically 0.25A) to prevent electrical faults in the field wiring from damaging the master control hardware.