PLC and SCADA systems
PLC’s and SCADA’s in Industrial Automation is an idea of controlling a system or process to a set of instructions or conditions and simply put, the delegation of human control function to technical equipment, for the sole purpose of increasing productivity, improving reliability of operations, mitigating human error, reducing cost and most importantly, increasing safety in working conditions. PLC’s have become the heart of the control system and manage complex processing at the “Edge” which is an important concept when considering future integration into IIoT.
Notwithstanding the above, PLC’s have become far more technically advanced and offer a variety of safety features in accordance with IEC 61508 and IEC 61511 which now allow for suitably designed holistic safety systems to comply with either SIL1, SIL2 or SIL3, dependent on the application. At Cyntech, we have been collaborating with Siemens for over 2 years, and embarked on a multitude of training courses and expos in order to confidently offer tailor-made industrial process control solutions, to meet any client and/or industry requirement. You can rest assured that with the backing of global powerhouse Siemens, our designs are bound to exceed expectations.
Process control network designs
Process control networks are communication networks that form part of industrial automation networks in process industries. The network is used to transmit and receive instructions between control and measurement units in the field, including PLCS’s and SCADA’s. Our approach to process control systems focuses on a philosophy of segmentation and simplicity, operating on a Profinet or Industrial Ethernet backbone. We always try emphasise elements of redundancy in order to maintain operational uptime and follow a segmented cell approach in the plant to not only increase industrial security but also to ensure that each cell can continue to operate independently, even in the unlikely event of other cells failing.
Digital infrastructure and transformation
At Cyntech, we help our clients create a long-term digital transformation roadmap which focuses on a digital vision, combined with a set of measurable objectives and outcomes. With so many digital possibilities available, we guide our clients through the process and focus on planning right through to digital execution. The main goal being the preparedness and capability of the new digital system to collect process data from the relevant field equipment and allow for the transformation of data into useable value-adding information from which key business decisions can be made with peace of mind that the information is accurate and a true.
Instrument selection and system integration
The starting point of a process system is invariably the preparation of a piping and instrumentation diagram which becomes an in-depth diagram comprising of process equipment, piping, control devices and instrumentation. It is at this point where we collaborate with other process and mechanical engineers in order to effectively decide how the system should work. It is at this point where instrument selection at each point in the process and the consequential integration into the overarching control philosophy becomes vital. Through years of experience and being involved in countless design reviews and HAZOP’s, the team at Cyntech are perfectly positioned to add significant value in selecting the correct instruments and ensuring that the control philosophy operates as intended.
Control philosophies and functional design specifications
Control Philosophies and Function Design Specifications (FDS) are a system of beliefs in how a process should work. At Cyntech, we make sure that these guidelines describe the basic dos and don’ts, and requirements from the perspective of the end user or operator. The levels of process automation, information handling needs, operational requirements, level of control intervention, type of communication system and levels of security are all aspects which we cover in these documents.
Safety Instrumented System (SIS) design
An SIS is a distinct, reliable system that safeguards processes in an effort to prevent catastrophic events. The system comprises sensors, logic solvers and control elements that allow processes to be safely maintained.
We consider every element in the SIS loop, such as pressure transmitters, PLC’s control valves, etc and ensure that our designs allow the function of the SIS to monitor for dangerous conditions and to take action when they need to. At Cyntech, we understand SIS and have specialised Safety Advanced programming software which allows us to code safety interlocks and interrelated safety functions seamlessly, for any application in a petrochemical environment.
Basic Process Control System (BPCS) design
Basic Process Control Systems are designed to only respond to input signals from the process and then to generate output signals causing the process and its associated equipment to operate in a desired way. The BPCS cannot perform any safety instrumented functions, mentioned under SIS above and is limited to basic process functionality. The cause and effect relationship between processes is something that the Cyntech team have extensive experience and as such, are in the fortunate position to either fully carry out the programming associated with BPCS on a PLC for your plant, or prepare the control philosophy and/or FDS for an alternative programmer to implement.