T8431 ICS TRIPLEX T8431 TrustedTM TMR Analogue Input Module-T8431

T8431 ICS TRIPLEX T8431 TrustedTM TMR Analogue Input Module-T8431

ICS TRIPLEX T8431
TrustedTM TMR Analogue Input Module-T8431

The TrustedTM TMR Analogue Input module interfaces to 40 single-ended field input devices. A wide input range and programmable thresholds allow the module to be used in most voltage or current configurations. Comprehensive diagnostic tests are performed on each input channel, including tests for out of range values and stuck at failures. Fault tolerance is achieved through Triple Modular Redundancy (TMR) within the same module for each of the 40 input channels.

The module can apply a digital filter to each input channel. Individual channels can be configured for high noise immunity (50Hz or 60Hz rejection), low noise immunity (fast response), or pass-through operation (no filtering).

Each input channel has four configurable state thresholds, which may be assigned to SOE reporting. A change of state triggers an SOE entry. The on-board Sequence of Events (SOE) reporting has a resolution of 1ms.

FEATURES

• 40 TMR input channels per module
• Comprehensive diagnostics and self-test
• 2500V dc Opto-Isolation Digital signal filtering on a per channel basis
• Four user configurable thresholds per channel
• On-board 1ms resolution Sequence of Events reporting
• Hot replaceable
• Front panel status LEDs for each channel
• Module fault and status indicators
• IEC 61508, SIL 3 safety applications

ELECTRICAL SPECIFICATION

Number of Inputs 40 Channels

Channel Input Resistance 2509

Power Consumption 15 to 18W

Sample Update Interval (no filter) 5ms

Self-Test Interval 2 minutes

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