Features of automation systems provided by ASKOM
ASKOM has extensive experience in designing and implementing
automation systems based both on DCS and solutions utilising
Programmable Logical Controll
The requirement of high control system
reliability is completely understandable - the possible failure of
the system can lead to costly production line downtime, and may also
pose a risk to people, machines or the environment. Hence the higher
and higher demand for reliability of automation systems.
High reliability of control systems supplied by ASKOM rests on the
three pillars:
1. The use of hardware and software from leading global
manufacturers.
2. Redundancy of key control system components that are critical to
the system operation. Practically all parts of the system can be
redundant: operator workstations, servers, CPUs of control stations
(fault-tolerant), communication processors, communication networks,
I/O interface modules, I/O modules, power supply systems.
3. Extensive system diagnostics that enable early detection and
proper diagnosis of failures occurring in the system. Extensive
diagnostics are available from the visualization system, and all
fault events are signalled by the alarm system. Automatic
notification solutions employing text or email messages allow
immediate notification of information to plant maintenance services.
Of course, the very high reliability comes at a price, and not all
the system component elements are always at the same risk of failure
or critical to the process being controlled. The required
reliability can be usually achieved with number of different
technical means. Therefore, on the one hand, each control system
requires a precise formulation of the reliability requirements and,
on the other hand, a detailed analysis of the available technical
means to achieve it. ASKOM's know-how and expertise guarantee an
optimal solution.
The control system is one of the key
elements ensuring the safety of people, equipment, technological
process and the natural environment. That's why, in each proposed
and implemented control system, ASKOM places special emphasis on
ensuring a high level of safety.
When a controlled manufacturing process is hazardous and the
potential failure could pose a risk to health of the people or the
environment, the automation systems are applied based on the concept
of functional safety in accordance with the PN-EN 61508 and PN-EN
61511 standards. ASKOM has at its disposal the necessary knowledge
and experience to participate in all phases of the safety system
life-cycle.
The solutions in line with the requirements of the Machinery
Directive are applied in machine control.
Where high safety level is required, fail-safe systems are
implemented, which can detect hazardous situations, not only in the
technological process but also the internal defects of the safety
system. Fail-safe system components, both hardware and software
modules, are tested and certified by independent bodies.
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