T: +44 (0)1444 410040 E: [email protected] www.psmmarine.com RFM series Field Termination and Instrinsic Safety Barrier Modules Key features product group Flexible and modular system simplifies and reduces the cost of power, signal and data wiring loops Part of the Field termination and intrinsic safety barrier modules for use with PSM ict 1000 smart hydrostatic level transmitters Lightweight aluminium (below deck mounting) or painted steel construction (above deck mounting) © PSM INSTRUMENTATION LTD Data Sheet Ref: DAT 30f 15/11/2011 PSM Instrumentation Ltd, Unit 3 Burrell Road, Haywards Heath, West Sussex, RH16 1TW. UK Subject to change without notice

hydrostatic pressure transmitters The RFM series is used with PSM ict 1000 smart hydrostatic level transmitters to provide both simple multi-drop network connections and full compliance with ATEX Intrinsic Safety standards where required. RFM is offered with various configurations from simple termination boxes to fully approval barrier systems for use in hazardous area Housings are either offered in a lightweight IP67 aluminium enclosure for below deck mounting, or a rugged IP67 steel enclosure suitable for harsh environments or open deck Cable entry is via 6 x M20 glands and the housing is vented...

Application example: comparison of a multi-tank installation using analogue vs. Modbus digital communications Multiple Barriers Conventional Analogue System Each sensor needs a cable and barrier Single Barrier Module with direct digital connection to Display One barrier and cable loop for all sensors RFM I-|RFM |-|RFM1-|RFM |-|RFM~|-|RFMJ-|RFM~1-1RFM I—I RFM~|-|RFM |-|RFM Using ict 1000 smart hyrostatic level transmitters connected with RFM & RFM-ISR modules to a TankView 2000 control and display system using Modbus digital communications provides the following benefilts: • Simple installation...

GA drawing (epoxy coated cast aluminium enclosure) Cable Glands GA drawing (painted mild steel enclosure) PSM Instrumentation Ltd, Unit 3 Burrell Road, Haywards Heath, West Sussex, RH16 1TW. UK Subject to change without notice