MSA SUPREMATouch Fire and Gas Detection Controller (SIL 2/3)

MSA SUPREMATouch fire and gas detection controller explained

The MSA SUPREMATouch is a modular fire and gas detection controller with a colour touchscreen, built to collect signals from gas detectors, smoke and heat detectors and switch inputs, then run alarm and relay logic. A single system can handle up to 256 inputs and 512 outputs, with 64 inputs per rack, and it can be configured with redundant bus and controller for SIL 3 or with a simplex arrangement at SIL 2. Seven Star LLC is an independent supplier in Muscat and supplies MSA controllers in Oman and the GCC; we are not affiliated with the manufacturer.

The SUPREMATouch is a configured system rather than a catalogue item, so this page explains the building blocks and the information needed to request a formal quotation.

SUPREMATouch technical specifications

Inputs, outputs and logic of the SUPREMATouch

Four alarm set points per input give enough levels for pre-alarm, alarm, high alarm and a shutdown level. Each relay can be assigned to a single input or driven by voting logic, and can be normally open or closed, energised or de-energised, latching or non-latching, increasing or decreasing. Time delays, password-protected set-up, a maintenance log, language selection and a printer configuration are also part of the specification. The front panel can show readings in list, bar-graph or LED mode, and a PC with the USB software gives the same data.

Calibration and expansion features of the SUPREMATouch

• One analogue input module (MAI30) serves all connectable detector types.
• Remote calibration with the HART option needs no extra tools, and a single user can calibrate with gas values transferred automatically.
• Group calibration lets an optional number of measuring points per group be calibrated in parallel.
• Digital CAN-bus communication links the internal modules, and the system can grow by adding racks and modules.
• Micro SD card support and time synchronisation through Ethernet are listed enhancements.
• Satellite or remote units, up to eight, can be added to extend coverage.

SUPREMATouch common configurations

The order worksheet lists several ready-wired systems, all with powered DC outputs, which are useful as a starting point.

SUPREMATouch selection and ordering checklist

• Count of 4-20 mA inputs, fire inputs and switch inputs, with spare capacity for future growth.
• Number of relay outputs, analogue outputs and whether voting groups are needed.
• Required safety integrity: simplex SIL 2 or redundant SIL 3.
• UPS or battery back-up time and the panel environment (indoor NEMA 12 or outdoor NEMA 4).
• Bus interface: none, Modbus RTU/TCP or Profibus DP.
• Accessories such as strobes, horns, satellite units and terminal rails, noting indoor or outdoor and hazardous-area requirements.
• Cause-and-effect matrix and loop drawings for the project.

Installation and commissioning of the SUPREMATouch

The controller is installed in a general-purpose location and wired to field devices over shielded cable. Commissioning begins with loading the input list and ranges through the touchscreen or USB software, followed by loop tests, alarm and relay logic checks, and a functional test of each voting group. Keep the as-built configuration file together with the cause-and-effect matrix, because it is the record that auditors will request. The formal quotation process exists because every system is configured to the project.

Typical SUPREMATouch applications in Oman and the GCC

In Oman and the GCC the SUPREMATouch suits process plants, compressor stations, utility buildings, gas metering and storage sites that need a configurable fire and gas panel and SIL-rated logic without a full safety PLC. It is also used where an old panel is being replaced and the field detectors, with 4-20 mA outputs, must stay in place.

Information to send with a SUPREMATouch RFQ

• Input and output counts by type
• Required SIL level and redundancy
• Back-up time and enclosure environment
• Communication protocol to the DCS
• List of field detectors and distances
• Delivery location and date

Storage, handling and spares for the MSA SUPREMATouch

Store the MSA SUPREMATouch and its sensors as described in the manufacturer instructions, in a clean, dry place within the stated temperature range. Some gas sensors have a limited shelf life, so plan deliveries close to the installation date. In Oman and the GCC, avoid storing detectors and calibration gas in hot containers or in direct sun.

• Bump test or calibrate the detector with certified test gas at the interval set by your site safety procedure.
• Check hazardous area certificates and markings against the zone classification before installation.
• Keep spare sensors, filters and calibration gas for planned maintenance.
• Record test and calibration results for each detector tag number.

When you send an RFQ for the MSA SUPREMATouch, include the target gases, ranges, area classification and any calibration kit you need, so the full scope can be quoted together.

Documents and quotation

A specification for the SUPREMATouch is attached on this page. It describes inputs, alarm levels, relays, communications and power requirements.

Send us the input and output counts and the safety integrity requirement and we will prepare a quotation. Seven Star LLC supplies the SUPREMATouch in Oman and the GCC as an independent supplier.