ICS Triplex T8442 PLC Original Brand New

Product Overview

The Trusted® Controller Chassis can be either swing frame or fixed frame-mounted and houses the Trusted Triple Modular Redundant (TMR) Processor and Trusted Input/Output (I/O) and/or Interface Modules. The Chassis may be panel (rear) mounted by the addition of a Panel Mounting Kit, (T8380) which comprises a pair of brackets with rear-facing ears. The Inter-Module Bus (IMB) backplane is part of the Trusted Controller Chassis and provides electrical interconnection and other services for the modules.

Features

• Triple Modular Redundant (TMR), fault-tolerant (3-2-0) operation.

• Hardware Implemented Fault Tolerant (HIFT) architecture.

• Dedicated hardware and software test regimes that provide very fast fault recognition and response times.

• Automatic fault handling without nuisance alarming.

• Hot replacement.

• Front Panel indicators that show module health and status.

Location of SmartSlots

Design considerations should be given to the location of SmartSlots within the system. One option is to allocate a spare slot on each chassis or per module type. Another option is to allocate one SmartSlot per system panel; if this option is selected then the IMB 0 V of each chassis needs to connecting together using a TC-006 cable. Each chassis (processor and expander) requires a TC-006 to connect to the Molex socket on the back of each chassis. The crimps on the other end are taken to terminals that are commoned together.

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