NTU-7T1 SM9-3055.054.00 ABB Digital Input Termination Unit
Manufacturer: ABB
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Part Number: NTU-7T1 SM9-3055.054.00
Condition：New with Original Package
Product Type: Digital Input Termination Units
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB NTU-7T1 SM9-3055.054.00 Digital Input Termination Unit
The ABB NTU-7T1 (part number SM9-3055.054.00) is a digital input termination unit designed for industrial control and automation systems. It functions as an interface board to connect field binary input devices directly to host control system I/O hardware, supporting signal distribution and wiring management in compact cabinet configurations.
Signal Interfacing and Electrical Characteristics
The NTU-7T1 handles up to 32 binary input channels, interfacing dry contact field signals with standard 24 VDC control electronics. It operates across an input voltage range of 18 to 30 VDC, providing electrical separation and fast signal routing to maintain integrity between field devices and system-level controllers.
With compact footprint dimensions of 110 mm x 80 mm x 30 mm and a panel or cabinet mounting design, the unit facilitates direct field wiring termination within high-density control panels.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | NTU-7T1 |
| Part Number | SM9-3055.054.00 |
| Brand | ABB |
| Product Type | Digital Input Termination Units |
| Number of Input Channels | 32 binary inputs |
| Operating Voltage | 24 VDC |
| Input Voltage Range | 18 to 30 VDC |
| Input Signal Type | Dry Contact |
| Isolation Voltage | 500 V |
| Response Time | Less than 2 ms |
| Power Consumption | 5 W |
| Dimensions (L x W x H) | 110 mm x 80 mm x 30 mm |
| Weight | 0.82 kg |
| Country of Origin | Sweden |
| Mounting Type | Panel or cabinet mount |
Frequently Asked Questions
Q: What is the primary function of the ABB NTU-7T1 termination unit?
A: It provides a structured wiring interface to route and terminate 32 binary input signals between field contact sensors and controller I/O hardware.
Q: What operating voltage range does the NTU-7T1 support for digital inputs?
A: The unit operates on a nominal 24 VDC voltage supply with an acceptable input voltage range from 18 to 30 VDC.