Alarms are intended to alert an operator to action required, not that some process variable has again exceeded some threshold.
The consequence of nuisance alarms is the 'cry wolf' effect - all alarms receive diminished attention, leaving critical alerts at risk of being ignored.
Our Alarm Audit and Classification service covers the following areas:
Review of alarm system design in respect of the EEMUA 191 Standard.
Categorisation of alarms and warnings.
Identification of Critical Alarms, and testing to validate their operability when required.
The end result is a confidence that alarm systems will provide the necessary workplace safety for employees, and protection of equipment from dangerous excursions of temperature, pressure, current and chemical properties.
Network Health Check
Maintenance schedules for moving parts are common, and for good reason. They get hot and noisy if neglected, and can fail in a spectacular fashion.
Communication networks too deserve a periodic check-up, given the crucial role they play in production, and the relative difficulty in fault-finding once a failure occurs.
Our Network Health Check service covers all networks; including open networks such as DeviceNet, ControlNet, and Ethernet, as well as proprietary multi-drop networks such as Modbus, and point to point serial connections. Our testing is designed to identify the following network performance concerns:
Excessive transmission errors
Bandwidth Limitations
Network latency
Vulnerability to single points of failure.
These issues may be the result of EMI or RFI, cable damage, poor connections, network design or network equipment configuration.
We provide a network report, noting identified weaknesses and recommended courses of action to bring the network to a state that it will perform reliably in support of your production requirements.
PLC Disaster Recovery
Let us ensure your capability to effect a quick turnaround in the event of a failure with our ‘Integrated Insurance’ service.
One-off or periodic backup of PLCs, SCADA, HMI. Stored off-site in two locations in perpetuity.
(You’d be amazed how many calls we get asking for our last project backups!)
PLC battery replacement
PLC store to EEPROM (where fitted, or supplied as option)
Supply 3A Surge Filter to protect mission critical equipment.
Supply of Cortec corrosion inhibitor for each PLC cabinet.
Further, we can offer fast-recovery options based on Virtualisation that are already well-proven in the corporate world. Call us to discuss our 'High Reliability Computing' services today.
