ABB ROBOTICSNTAI04ABB S800 I/O system

ABB 3HAC058879-002 NTAI04 analog input module

ABB 3HAC058879-002 is the NTAI04 analog input module for an ABB S800 I/O station. It belongs to the analog acquisition layer, where field transmitters are received by the I/O station and delivered to the controller as process values.

Product Information

ABB 3HAC058879-002 is the NTAI04 analog input module for an ABB S800 I/O station. It belongs to the analog acquisition layer, where field transmitters are received by the I/O station and delivered to the controller as process values.

At the S800 station, ABB 3HAC058879-002 sits on the documented I/O position and works with the matching terminal and ModuleBus path. The field wiring, channel assignment and common/reference arrangement therefore remain part of the module record.

During replacement of ABB 3HAC058879-002, the field loops are isolated before the terminal wiring is moved. After seating the module, channel status and controller-side values are checked together so a wiring fault is not mistaken for an analog-module fault.

Technical Data

TECHNICAL ITEM

SPECIFICATION

BRAND

ABB

MODEL

3HAC058879-002

PRODUCT NAME

NTAI04 analog input module

COUNTRY

Sweden

PRODUCT TYPE

NTAI04 analog input module

I/O FAMILY

ABB S800

PRIMARY ROLE

Field analog signal acquisition

STATION POSITION

Documented S800 I/O position

SIGNAL PATH

Field transmitter to controller process value

INTERFACE PATH

Terminal unit and ModuleBus

CHANNEL RECORD

Channel assignment retained with wiring

REFERENCE CONCERN

Common and signal reference checked

REMOVAL CONDITION

Field loops isolated

COMMISSIONING CHECK

Channel state and controller value

SERVICE IDENTITY

NTAI04 / 3HAC058879-002

Product Functions

ABB 3HAC058879-002 converts the connected analog field signals into the S800 station data that the controller uses for process monitoring.

Field-to-bus conversion

The terminal receives the field loop and the module presents the channel value through the station bus.

Channel association

The assigned channel remains linked to its transmitter and engineering tag rather than being moved by appearance.

State confirmation

A valid replacement is confirmed by comparing the field signal, module indication and controller value.

Installation Highlights

The installation of ABB 3HAC058879-002 follows the field-loop record from isolation through channel verification.

Isolate the loops

Remove field energy and confirm the loop is safe before releasing the terminal conductors.

Preserve channel order

Label each conductor and keep the original channel assignment when fitting the NTAI04 module.

Validate the reading

Restore power, observe module status and compare the returned value with the controller tag.

Product Questions

What should be isolated before replacing ABB 3HAC058879-002?

For ABB 3HAC058879-002, isolate the field loops and confirm the terminal is safe before moving any transmitter conductors.

Why can ABB 3HAC058879-002 show a bad value after a successful replacement?

ABB 3HAC058879-002 depends on the correct channel and reference wiring; a moved conductor can create a signal error even when the module is seated.

How do I confirm the NTAI04 channel is mapped correctly on ABB 3HAC058879-002?

Compare the labeled terminal, channel assignment and controller tag for ABB 3HAC058879-002 before accepting the returned analog value.

What does the S800 bus contribute to ABB 3HAC058879-002?

On ABB 3HAC058879-002, the station bus carries the accepted channel data from the module toward the controller; it is separate from the field loop conductors.

What is a practical post-install test for ABB 3HAC058879-002?

After installing ABB 3HAC058879-002, check module status and apply a known field condition while confirming the corresponding controller value.

Can ABB 3HAC058879-002 be selected by enclosure shape alone?

No. ABB 3HAC058879-002 must match the NTAI04 station record, terminal arrangement and channel assignment.

Why Choose Moore Automation

Moore Automation

https://www.mvme.cn/

Moore Automation works across PLC, DCS, robot-control, I/O, drive and monitoring hardware while keeping each requested model separate from visually similar variants.

MULTI-BRAND SCOPEIndustrial control hardware

MODEL CLARITYOrdering records separated

REQUEST CONTINUITYDetails stay connected

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Sales Enquiries

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Product Name	ABB 3HAC058879-002 NTAI04 analog input module
Item NO.	2931384
Weight	0.1 kg = 0.2205 lb = 3.5274 oz
Category	ABB
Brand	ABB
Creation Time	2026-11-10

ABB 3HAC058879-002 NTAI04 analog input module Item NO.: 2931384