TheSCP461-E1is a high-integrity processor module specifically engineered for Yokogawa’sProSafe-RS Safety Instrumented System (SIS). Unlike the standard CENTUM processor modules, the "E" in the suffix denotes its application for Explosion Protectionenvironments and SIS safety loops.
Technical Specifications
Application: Safety CPU for ProSafe-RS SSC60S/SSC60D Control Units
Redundancy Architecture: Internal Dual-Processor (Pair-and-Spare) for SIL 3 compliance
Explosion Protection:-E(Equipped with explosion protection construction/certification)
Environmental Hardening:1(Includes ISA Standard G3 conformal coating for corrosion resistance)
Processor Speed: Optimized for sub-100ms safety loop response
Memory Protection: Battery-backed RAM (S9185FA battery) and ECC error correction
I/O Support: Manages up to 9 nodes of safety-rated I/O
Mounting: Installs in the SBP60S/SBP60D Safety Control Unit baseplate
Weight: 0.7 Kg (Net) / 2.0 Kg (Shipping)
Common FAQ
Can the SCP461-E1 be used in a standard CENTUM VP (DCS) system?While the hardware looks similar to the DCS-style CP461, theSCP461-E1is specialized for the ProSafe-RS safety platform. It runs distinct safety firmware and requires ProSafe-RS engineering software for configuration.
What is the significance of the "E1" suffix?TheEsignifies that the module is certified for use in potentially explosive atmospheres (referencing explosion-proof construction standards), and the1confirms theG3conformal coating, which is mandatory for many offshore and chemical refinery environments to prevent circuit corrosion.
