Instrumentation & Control Engineering Services
Haddy Designs provides instrumentation and control engineering services, delivering advanced industrial automation, PLC, DCS, and SCADA system design for process plants across India.
We design intelligent control systems that enable accurate measurement, automated operation, and safe shutdown of industrial processes—ensuring efficiency, safety, and reliability.
Intelligent Automation for Secure and Effective Plant Operations
Instrumentation and control engineering systems are the core of modern industrial plants, ensuring consistent performance and operational safety.
Improve process accuracy and stability
Reduce manual intervention and operator workload
Enhance plant safety through automated protection systems
Enable real-time monitoring and control
Instrumentation Engineering
Instrument index development
Instrument datasheets and specifications
Field instrument selection and sizing
P&ID instrumentation integration
PLC System Design & Programming
PLC architecture and logic development
Control philosophy and sequence design
Integration with field devices and systems
DCS System Engineering
Distributed Control System (DCS) architecture design
Multi-loop process control configuration
Operator interface and system integration
SCADA & HMI Development
SCADA system design and configuration
Human-Machine Interface (HMI) development
Real-time monitoring and visualization systems
Safety Instrumented Systems (SIS)
SIS design in compliance with IEC 61511
SIL (Safety Integrity Level) determination studies
Functional safety documentation and validation
Loop Diagrams & Installation Engineering
Loop diagrams and wiring schematics
Hook-up drawings and installation details
Junction box and cable schedules
Industrial Communication Networks
Fieldbus system design (PROFIBUS, FOUNDATION Fieldbus)
HART and Modbus communication integration
Industrial network architecture design
Frequently Asked Questions
What distinguishes DCS systems from PLC systems?
PLC (Programmable Logic Controller): Used for machine-level or smaller process control
DCS (Distributed Control System): Used for large, complex process plants with multiple control loops and distributed architecture
What is a Safety Instrumented System (SIS)?
An SIS is an independent safety system designed to bring a process to a safe state during abnormal or hazardous conditions. It is designed according to IEC 61511 and based on required Safety Integrity Levels (SIL).
What instrumentation deliverables do you provide?
Instrument index and datasheets
P&ID annotations
Loop diagrams and wiring drawings
Cause & effect matrices
Control system architecture diagrams
Cable routing and installation drawings