Description
Overview
The ABB NTAM01 Analog Master Termination Unit is a passive field interface assembly developed for the Bailey INFI 90 Distributed Control System. The unit is engineered to organize, terminate, and distribute analog process signals between field instrumentation and INFI 90 control modules.
Designed for stable analog signal management, the NTAM01 supports calibration routing, cold-junction compensation transfer, and standardized field wiring arrangements. Its rack-mounted construction simplifies cabinet integration while maintaining reliable signal integrity in continuous process environments.
Key Features
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Passive analog signal termination architecture
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Compatible with ABB Bailey INFI 90 DCS platforms
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Supports voltage and current analog signal transmission
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Integrated cold-junction compensation reference handling
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Calibration signal routing support through IMAMM03 modules
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Interfaces with multiple analog input termination assemblies
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Rack-mounted format for NFTP01 field termination panels
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Screw terminal wiring for secure industrial connections
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Designed for long-term operation in process automation systems
Technical Specifications
| Parameter |
Specification |
| Brand |
ABB |
| Model |
NTAM01 |
| Product Type |
Analog Master Termination Unit |
| System Compatibility |
ABB Bailey INFI 90 DCS |
| Unit Function |
Analog signal termination and routing |
| Supported Signal Types |
0–10 V, 4–20 mA |
| Maximum Analog Channels |
16 Channels |
| Supported Analog Input Units |
Up to 4 × NTAI02 |
| Supported Indicator Stations |
Up to 4 × NDIS01 / NDISe1 |
| Calibration Routing |
Via IMAMM03 |
| Cold-Junction Compensation |
Supported |
| Mounting Style |
Rack Mounted |
| Panel Compatibility |
NFTP01 Field Termination Panel |
| Terminal Type |
Screw Terminal Blocks |
| Operating Voltage |
+24 VDC |
| Current Consumption |
Approx. 17 mA |
| Operating Temperature |
-20°C to +60°C |
| Dimensions |
7.0 × 1.0 × 8.0 in |
| Weight |
0.2 kg |
Application Areas
The ABB NTAM01 is widely installed in process industries requiring stable analog signal termination and centralized wiring management, including:
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Power generation systems
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Petrochemical facilities
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Water treatment plants
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Continuous manufacturing lines
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Process automation cabinets
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Distributed control environments
System Integration
The NTAM01 termination unit is commonly paired with ABB INFI 90 analog input modules and master control assemblies. Its design enables simplified maintenance access and organized field signal distribution inside control cabinets.
FAQ
What is the main purpose of the NTAM01?
The NTAM01 provides analog field signal termination, routing, and calibration support for ABB Bailey INFI 90 systems.
Does the NTAM01 actively process signals?
No. The unit is a passive termination assembly designed for signal distribution and interface connectivity.
Which analog signals are supported?
The module supports standard industrial analog signals including 0–10 V and 4–20 mA.
Can the NTAM01 support multiple input units?
Yes. The unit can interface with up to four NTAI02 analog input units and several digital indicator
