Industrial Control Devices

17th Feb 2022

An industrial control system is made up of a number of different systems, including computers, electrical, and mechanical components. It is a hybrid of multiple control systems, including supervisory control and data acquisition (SCADA), distributed control systems (DCS), and programmable logic controllers. They’re utilized in manufacturing and chemical facilities, electric utilities, distribution, and transportation systems, and a variety of other industries to give automated or semi-automated control of equipment. It can also be defined as the automatic regulation of unit operations and their accompanying equipment, as well as their integration and coordination into a wider production system. In manufacturing, ICS is employed, and it can also be used in material handling.

In the field of industrial control equipment, quality and competitive advantage are key.

• Manual, magnetic, and solid-state starters and controllers • Thermal, magnetic, and solid-state overload relays • Pushbutton stations, including selector switches and pilot lights • Control circuit switches and relays • Float, flow, pressure, and vacuum-operated switches • Resistors and rheostats • Proximity switches • Time-delay relays and switches • Resistors and rheostats intended for industrial heating and lighting including those for motor-generator fields • Control devices intended for industrial heating and lighting • Solid-state time-delay relays • Programmable controllers • Numerical control systems • Lighting dimmer systems and controls • Mercury-tube switches • Definite purpose controllers • Solid-state logic controllers • Programmable controllers • Numerical control systems • Lighting dimmer systems and controls

Industrial Control Equipment Types

Control in the workplace Equipment refers to a variety of control systems and accompanying instrumentation, such as the devices, systems, networks, and controls that are used to operate and/or automate industrial processes. Each ICS is developed to efficiently manage work electronically and performs differently depending on the business. ICS devices and protocols are now found in practically every industrial sector and vital infrastructure, including manufacturing, transportation, energy, and water treatment.

Supervisory Control and Data Acquisition systems, as well as Distributed Control Systems, are the two most frequent forms of ICSs (DCS). Field Devices, which receive supervisory directives from remote stations, are frequently used to control local operations.

Data Acquisition and Supervisory Control (SCADA)

SCADA isn’t a solution that can provide you complete control. Instead, its skills are geared at giving supervisory control. SCADA systems are made up of devices (mostly Programmable Logic Controllers or other commercial hardware modules) that are scattered throughout the facility. SCADA systems may collect and send data, and they’re usually combined with a Human Machine Interface (HMI) that allows for centralized monitoring and control of a large number of process inputs and outputs.

SCADA is primarily used to provide long-distance monitoring and control of field sites via a centralized control system. A SCADA system can automate this job so that people don’t have to travel large distances to complete duties or gather data.

Pipeline monitoring and control, water treatment facilities and distribution, and electrical power transmission and distribution are all industries that use SCADA systems.

System of Distributed Control (DCS)

This is a system that is used to regulate manufacturing systems that are situated in one area. A setpoint is communicated to the controller in a DCS, which can then tell valves or even an actuator to work so that the desired setpoint is maintained. Data from the field can be saved for future reference, utilized for simple process control, or even combined with data from another area of the plant to create advanced control plans.

Each DCS manages several local controllers or devices that are part of the overall production process using a centralized supervisory control loop. This allows businesses to easily obtain data on production and operations. A DCS can also decrease the impact of a single defect on the total system by using several devices in the manufacturing process.

Production, electric power generation, chemical manufacturing, oil refineries, and water and wastewater treatment are all businesses that employ DCSs.

Implementation of the ICS

An ICS environment is frequently a combination of DCS and SCADA, with qualities from both systems being combined.

Industrial Control Equipment Components

• Transformers. Transformers change the AC voltage between circuits by reducing or increasing it.

• Electricity. The alternating current (AC) voltage is converted to direct current (DC) voltage by a power source.

• Breakers for circuits.

• Switch to Disconnect

• Blocks for terminals.

• Relays.

• Fuses.

• Motorized Drives

Reason for the need Control Equipment for Industry

Industrial Control Equipment is targeted just as regularly and ingeniously as corporate-administration systems. The issue is that many industrial operational-technology departments are lagging behind their information-technology counterparts in terms of dealing with new challenges.

This happens for a variety of reasons, including the following:

• Well-designed OT systems are frequently isolated to intranet systems with no external access.

Why Routine security software on administrative computers frequently crashes industrial control systems, necessitating the use of alternative security measures to ensure the system’s security.

• OT systems with controlled access and user-defined roles may already be preventing unwanted user activity in these systems.

• Older OT systems may lack the capability to see the same amount of network and control-layer activity as newer systems, and workers may be ignorant of how new developments influence them.

While some of the realities in today’s OT system are still the same, other variables have radically changed, presenting OT departments with more options than they had previously. With technology progressing at a breakneck pace and more plant areas adopting smart devices, the plant is more capable than ever of increasing production from its ICS while also being more vulnerable than ever to unauthorized users. If movies, headlines, and personal experiences have taught us anything, it is that bad actors will target OT systems for any reason and at any cost.


Industrial control equipment is a broad term that refers to a variety of control systems, including supervisory control and data acquisition systems, distributed control systems, and other control system configurations like Programmable Logic Controllers, which are commonly used in industrial and critical infrastructure applications. A set of control systems and related equipment that operate and automate industrial operations is known as an industrial control system.

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