ICS TRIPLEX T8431C 24V dc Digital Output – 40 channel

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The TrustedTM TMR 24V dc Analogue Input module interfaces to 40 sourcing field input devices, acting as a current sink for all these devices. Comprehensive diagnostic tests are performed on each input channel. Fault tolerance is achieved through a Triple Modular Redundant (TMR) architecture within the module for each of the 40 input channels. The module provides on-board Sequence of Events (SOE) reporting with a resolution of 1ms. A change of state triggers an SOE entry. States are determined by voltage thresholds that can be configured on a per channel basis. 

All TrustedTM I/O modules share common functionality and form. At the most general level, all I/O modules interface to the Inter-Module Bus (IMB) which provides power and allows communication with the TrustedTM TMR Processor. In addition, all modules have a field interface that is used to connect to module specific signals in the field.