SIL 2 Load Cell/Strain Gauge Bridge Isolating Converter


The single channel DIN Rail Load Cell/Strain Gauge Bridge Isolating Converter D5264S module is a unit suitable for applications requiring SIL 2 level (according to IEC 61511) in safety related systems for high risk industries.
The unit acts as a galvanically isolated interface installed between a PLC/DCS in Safe Area and a load cell (or a group of load cells) in Hazardous Area. Up to four 350 Ω load cells, or five 450 Ω load cells, or ten 1000 Ω load cells can be connected in parallel.
It provides a fully floating power supply voltage with remote sensing capabilities to load cells located in Hazardous Area and converts the mV signal from the load cell into a 0/4-20 mA, providing both current source and sink capabilities. The module is also provided with PhotoMOS alarm output.
A modbus output is also provided to interface the PLC/DCS using digital communication.

Mounting on standard DIN-Rail, with or without Power Bus, in Safe Area or in Zone 2.


• Input from Zone 0 (Zone 20), installation in Zone 2.
• Strain Gauge Bridge Isolated Converter.
• Up to four 350 Ω load cells in parallel or up to five 450 Ω load cells in parallel or up to ten 1000 Ω load cells in parallel.
• 0/4-20 mA Sink or Source.
• Modbus Output.
• Field Automatic Calibration.
• Three port isolation, Input/Output/Supply.
• EMC Compatibility to EN61000-6-2, EN61000-6-4, EN61326-1, EN61326-3-1 for safety system.
• Fully programmable operating parameters.
• High Reliability, SMD components.
• Simplified installation using standard DIN Rail and plug-in terminal blocks, with or without Power Bus, or on customized Termination Board.
• 250 Vrms (Um) max. voltage allowed to the instruments associated with the barrier.


24 Vdc nom (18 to 30 Vdc)



SIL level

D5264S - SIL 2 Load Cell/Strain Gauge Bridge Isolating Converter


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