Instrumentation & Control (I&C) Installation and Commissioning

Instrumentation & control (I&C) services in Astana and across Kazakhstan cover the installation, commissioning, calibration and maintenance of measuring instruments and automation devices. I&C is the "sensory system" of any automation solution: it is the field instruments that measure the real process parameters — temperature, pressure, level, flow — and feed them to the control system. The quality of the instruments and their commissioning directly determines how accurately and reliably the entire process control system (PCS) works. Atlas Scada has been delivering the full scope of instrumentation and control work since 2015 — from instrument selection and supply to installation, commissioning and after-sales service.

What is I&C

I&C stands for "instrumentation and control." It is the lowest, field level of automation, comprising sensors (primary transducers), secondary instruments and controllers, actuators and measuring signal lines. If the controller (PLC) is the "brain" of the system and SCADA is its "eyes" for the operator, then I&C is the "senses and hands" right at the facility.

What I&C services include

• Selecting and supplying measuring instruments to suit the task, the medium and the budget.
• Installing sensors, instruments and actuators at the facility.
• Routing and connecting measuring and signal lines, with shielding against interference.
• Configuring, calibrating and verifying measuring channels.
• Commissioning field instruments within the automation system and linking them to the controller.
• Maintenance, diagnostics and repair of instruments.

Which instruments and signals we work with

• Temperature sensors — resistance thermometers (RTDs, Pt100/Pt1000) and thermocouples (TC).
• Pressure and differential-pressure sensors and transmitters.
• Level sensors and switches, flow meters of various operating principles.
• Gas analyzers and gas-leak detectors.
• Actuators, control and shut-off valves with electric drives.
• Secondary instruments and PID controllers (Owen TRM and equivalents), signal converters and barriers.
• Standardized 4–20 mA and 0–10 V signals, discrete signals and digital interfaces (Modbus).

I&C installation

Correct installation is half the battle in measurement. We install instruments according to the design and standards, in locations that ensure reliable readings (allowing for straight pipe runs for flow meters, tapping points for pressure, and thermowells for temperature transducers). We route measuring lines separately from power lines and apply shielding and grounding to eliminate pickup and interference. Every circuit is labeled and verified — which simplifies subsequent commissioning and maintenance.

Commissioning of measuring channels

After installation we perform commissioning "from sensor to controller": we verify wiring correctness, set measuring ranges, configure signal scaling in the PLC and SCADA, compare readings against a reference and eliminate discrepancies. The goal is for the value on the operator's screen to match the real parameter at the facility, with no "floating" or unreliable data.

Instrument calibration and verification

We adjust and calibrate measuring channels so that the measurement error stays within requirements. Calibration removes systematic deviations and brings readings into line with real values. If official verification is required for commercial metering instruments (heat, water, gas, electricity), we arrange it through accredited metrology laboratories and bring the documentation into compliance with the requirements.

How we select instruments

Sensible selection saves money and prevents measurement errors. When choosing an instrument we consider

• The measuring range and the required accuracy (error class).
• The type of medium (aggressiveness, temperature, pressure) and the materials in contact with it.
• Operating conditions, ingress protection rating (IP) and, where needed, explosion-proof design.
• The output signal type and compatibility with the controller and the existing system.
• The availability of the instrument and spare parts on the Kazakhstan market and the availability of support.

I&C within the process control system

Measuring instruments are the field level of automation. Instrument signals reach the controllers (PLCs), are processed according to the embedded logic and are passed on to SCADA and the dispatch system. That is why we perform this work both as a standalone service and as part of the integrated automation of a facility — together with automation system design, controller programming, panel assembly and commissioning. Single-point responsibility for the whole stack frees the client from the "seams" between contractors.

Typical problems caused by poor instrument installation

• Unreliable readings due to incorrect sensor mounting or interference in the line.
• "Floating" values and false protection trips.
• A mismatch between the instrument's range and accuracy and the actual task.
• Lack of calibration — the system controls based on wrong data.
• Awkward installation that is hard to service and diagnose.

Where I&C services are applied

• Boiler houses, central and individual heating substations (IHS).
• Water-supply and fire-fighting pumping stations.
• Ventilation, air-conditioning and heating systems.
• Industrial and engineering facilities that measure and monitor parameters.

I&C work stages

• Surveying the facility and analyzing the technical specification or design.
• Selecting instruments and agreeing the bill of materials with the client.
• Supplying the equipment and preparing for installation.
• Installing the instruments and routing the measuring lines.
• Commissioning the measuring channels and calibration.
• Handover into operation with completed documentation.

Maintenance and periodic calibration

Sensors "drift" over time — their readings shift due to aging, fouling and operating conditions. That is why I&C requires periodic maintenance: checking and recalibrating measuring channels, cleaning and inspecting sensors, and monitoring the condition of signal lines. Regular maintenance preserves measurement reliability and prevents hidden control errors that occur when the system runs on wrong data.

Reliable resource metering

Accurate instruments and proper calibration are especially important for metering heat, water, gas and electricity: here measurement errors translate directly into overpayments or disputes with suppliers. We select instruments of the required accuracy class and ensure the integrity of the metering measuring channels.

Documentation upon completion of work

Upon completion we hand over as-built documentation: instrument wiring diagrams, lists of settings and ranges, and calibration and measuring-channel verification protocols. This simplifies further operation and maintenance, helps pass inspections by supervisory authorities and, if needed, hand the facility over to another contractor.

Why clients trust Atlas Scada with I&C services

• Full cycle: field instruments, design, panels, controllers, SCADA and service — a single responsible contractor.
• Engineers with specialized education and experience on industrial, government and infrastructure facilities in Kazakhstan.
• Reliable measurements and tidy installation that is convenient for subsequent maintenance.
• The option to bring instrument parameters into the Atlas dispatch system — 24/7 remote monitoring.

The cost and timeline of I&C services depend on the number and type of instruments, the scope of installation and commissioning, and the calibration and verification requirements. Send us an equipment list or a technical specification — we will estimate the budget and timeline. The initial I&C consultation in Astana and across Kazakhstan is free.