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Month: July 2025

Home / 2025 / July (Page 11)
July 17, 2025 BY
IN A-B

A-B 1746-NR4 SLC 4 Point Resistance Input Module Cycle Power

System Operation

Tle power

• Module operation

• Error (module error and channel error)

Cycle Power

When you cycle the module’s power, the RTD module checks its

internal circuits, memory, and basic functions via hardware and

software diagnostics. During this time the module status LED indicator

remains off. If no faults are found during the diagnostics, the module

status LED indicator is on.

After the checks are complete, the RTD module waits for valid

channel configuration data from your SLC ladder logic program

(channel status LED indicators off). After configuration data is written

to one or more channel configuration words and their channel enable

bits are set by the user program, the channel status LED indicators go

on and the module continuously converts the RTD or resistance input

to a value within the range you selected for the enabled channels. The

module is now operating in its normal state.

Each time a channel is read by the module, that data value is tested by

the module for a fault condition, for example, open circuit, short

circuit, over range, and under range. If such a condition is detected, a

unique bit is set in the channel status word and the channel status

LED indicator blinks, indicating a channel error condition.
July 17, 2025 BY
IN A-B

A-B 1746-NR4 SLC 4 Point Resistance Input Module Description

Description

The RTD module receives and stores digitally converted analog data

from RTD units or other resistance inputs such as potentiometers into

its image table for retrieval by all fixed and modular SLC 500

processors. An RTD module consists of a temperature-sensing element

connected by two, three, or four wires that provide input to the RTD

module. The module supports connections from any combination of

up to four RTD units of various types (for example: platinum, nickel,

copper, or nickel-iron) or other resistance inputs.

The RTD module supplies a small current to each RTD unit connected

to the module inputs (up to 4 input channels). The module provides

on-board scaling and converts RTD unit input to temperature (°C, °F)

or reports resistance input in ohms.

Each input channel is individually configurable for a specific input

device. Broken sensor detection (open- or short-circuit) is provided

for each input channel. In addition, the module provides indication if

the input signal is out-of-range.
July 17, 2025 BY
IN A-B

A-B 1746-NR4 SLC 4 Point Resistance Input Module

Overview

This chapter describes the four-channel 1746-NR4 RTD/Resistance

Input Module and explains how the SLC controller gathers RTD

(Resistance Temperature Detector) temperature or resistance-initiated

analog input from the module.Included is:

• a general description of the module’s hardware and software features.

• an overview of system operation.

For the rest of the manual, the 1746-NR4 RTD/Resistance Input

Module is referred to as simply the RTD module.

Each time a channel is read by the module, that data value is tested by

the module for a fault condition, for example, open circuit, short

circuit, over range, and under range. If such a condition is detected, a

unique bit is set in the channel status word and the channel status

LED indicator blinks, indicating a channel error condition.

The SLC processor reads the converted RTD or resistance data from

the module at the end of the program scan or when commanded by

the ladder program. The processor and RTD module determine that

the backplane data transfer was made without error and the data is

used in your ladder program.
July 17, 2025 BY
IN ABB

ABB drives MEGADRIVE-LCI 2 to 150 MW High personnel safety

Certified safety features

Model Predictive Control ensures high availability

Highest availability is achieved by using

MPTC (Model Predictive Torque Control).

MPTC ensures that the variable speed drive

system is optimized online, and partial torque

can be provided during grid disturbances.

High personnel safety

Your workforce and goods are protected

from dangerous electric arcs with the

arc-resistant design of the MEGADRIVE-LCI.

The drive is equipped with certified functional

safety features making your systems safe and reliable.

Serviceability

Easy access to all components ensures that

service and maintenance for the MEGADRIVE-LCI

is simple and smooth. Maintenance needs

are minimized with maintenance free pumps.

In addition to powerful diagnostic tools, you can

profit by convenient remote monitoring.
July 17, 2025 BY
IN ABB

ABB drives MEGADRIVE-LCI 2 to 150 MW Certified safety features

High reliability through simple design

The MEGADRIVE-LCI features a simple,

well-proven, fuseless drive design and robust

thyristor components ensuring high reliability.

Benefit from the drive’s easy voltage scalability,

minimized harmonic influence on the supply

system and a converter efficiency of more than 99 percent.

Industry-specific solutions for individual needs

Tailored to your specific requirements, the

MEGADRIVE-LCI is designed to perfectly fit your

application. Use the drive to control large

synchronous motors, for soft starting of large

synchronous machines, or as a gas turbine starter

for large synchronous generators.

Certified safety features

Model Predictive Control ensures high availability

Highest availability is achieved by using

MPTC (Model Predictive Torque Control).

MPTC ensures that the variable speed drive

system is optimized online, and partial torque

can be provided during grid disturbances.
July 17, 2025 BY
IN ABB

ABB drives MEGADRIVE-LCI 2 to 150 MW Energy efficiency

Benefits that add value

Get a drive solution that meets the requirements of your application and

ensures high productivity and the optimum performance of your operations.

Benefit from the built-in expertise of our medium voltage drives and take

your business forward with everything working like clockwork.

Well-proven technology

For more than 40 years, MEGADRIVE-LCI drives

and soft starters have proven their maximum

reliability and availability in a wide range of

industries and applications where both high

power and high voltage are required.

Energy efficiency

Our medium voltage drives run your motors

based on the demands of your process rather than

running them at full speed and ensure optimized

power consumption and process efficiency.

In this way you can save energy and reduce CO₂ emissions.
July 17, 2025 BY
IN ABB

ABB drives MEGADRIVE-LCI 2 to 150 MW Highlights

Well-proven and reliable: robust medium voltage drives for high power applications

The well-proven technology offered in the MEGADRIVE-LCI controls your high power applications 

and provides soft starting of large synchronous motors, reducing the impact on your network and machinery.

Thanks to many years of successful performance, the drive is renowned for its high availability and reliability.

The drive’s simple design and proven components enable trouble-free use and maximized uptime of your processes.

Get a drive solution that gives you peace of mind by ensuring efficient operation which you can count on day after day and year after year.

Highlights:

•High reliability due to proven design and low parts count

•Fuseless design

•Air and water cooled

•Application tailored design

•Softstarter

•Arc resistant design

•Model Predictive Torque Control, MPTC

•Power range from 2 to 150 MW
July 17, 2025 BY
IN Triconex

Triconex CM3201S2 communication module

Product Description

The Triconex CM3201S2 Communication Module is a highly reliable and efficient

component of the Triconex safety and control systems, specifically designed 

for industrial automation and critical processes.

It ensures seamless communication between the Triconex controllers and various field devices,

enabling high-speed data transfer and improved system integration.

This module adheres to rigorous safety and performance standards,

making it an ideal choice for industries requiring maximum uptime and precise control.

The Triconex CM3201S2 communication module is a workhorse for exchanging critical data within safety instrumented systems (SIS).

Function: Enables seamless communication between SIS components and external devices.

Applications: Ideal for process industries demanding high reliability and performance.

Key Features:

High-Density Digital I/O: Handles 32 digital channels for efficient data exchange.

Supports Industry Standards: Communicates via protocols like Ethernet, ControlNet, and DeviceNet.

Robust Design: Built for harsh industrial environments, operating from -40°C to 70°C.

Technical Specifications:

Form Factor: Compact design for easy integration into existing systems.

Power Supply: 24 VDC for compatibility with typical industrial control systems.

Networking Speeds: Supports Ethernet (100 Mbps), ControlNet (10 Mbps), and DeviceNet (5 Mbps).
July 15, 2025 BY
IN ABB

ABB industrial drives ACS6080 5 to 36MW Flexibility

Flexibility for smooth integration

Thanks to the compact and modular design, the

ACS6080 can be easily integrated into existing

systems. The drive can be used with one or several

supply transformers and for applications with

or without regeneration capability. A wide range

of options can be integrated into the drive.

ABB Ability™ Condition Monitoring

ABB’s Ability™ Remote Condition Monitoring (RCM)

service provides accurate, real-time information

on the condition of the drive, even when it is installed

in remote locations.

Drive robustness for high availability

The ACS6080 effortlessly drives high power applications and controls operations even in harsh

environments using the IP54 protection class. Special

features such as automatic restart ensure high availability of processes.
July 15, 2025 BY
IN ABB

ABB industrial drives ACS6080 5 to 36MW High reliability

Learn it once, use it everywhere

• The ACS6080 drive comes with the all-compatible user

experience that is already familiar to users from ABB low

voltage drives, ensuring easy operation throughout the

entire installation.

• The common drives architecture lets users apply the

knowledge gained with one ABB drive to others, enabling

a smooth transition between drives from the ABB

all-compatible portfolio.

Dynamic performance. Reliability. Safety.

Highest level of personnel safety

The arc resistant design with fast arc elimination

together with a wide range of functional safety

features provide safety both for your personnel and processes.

High reliability through proven design

Reliability is ensured thanks to the simple and

fuseless design of the ACS6080. A low parts count

and proven components result in high uptime and

a long lifetime of the drive. Availability is further

increased with the drive’s power loss ride-through function.

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