S2SC70D-FA412010 Overview

The Yokogawa Safety Control Unit S2SC70D-FA412010 is a dual-redundant safety control unit within the ProSafe-RS system, featuring a MIPS R5000 processor and supporting Vnet/IP connectivity for high-availability safety applications.

Technical Data Summary

Hardware Core: Dual-redundant processor configuration (SCP461 style S2) and dual power supply modules.

Processor & Memory: Features a MIPS R5000 CPU with 128 MB of main memory and non-volatile storage.

Network Interface: Includes a dual-redundant Vnet/IP control network interface.

I/O Scalability: Supports connection of up to 32 N-IO nodes or 13 Safety Node Units (SNB10D).

Internal I/O: Can accommodate up to eight local FIO I/O modules.

Power Options: Accepts a range of AC (100-120V or 220-240V) or DC (24V) power inputs.

FAQ

Q1: What is the key safety feature of its processor configuration?

A1: It uses a dual-redundant configuration with two processor modules for high availability.

Q2: What type of CPU does it use and how much memory does it have?

A2: It is powered by a MIPS R5000 processor and has 128 MB of main memory.

Q3: What is its primary control network interface?

A3: It features a dual-redundant Vnet/IP interface for network communication.

Q4: How can I/O capacity be expanded?

A4: I/O capacity can be extended by connecting up to 32 N-IO nodes or up to 13 Safety Node Units (SNB10D).

Q5: How are application programs protected during a power failure?

A5: Programs are stored in non-volatile memory, and processor management data is backed up by a battery with a three-year replacement cycle.