T9402 ICS TRIPLEX T9402 Digital Input Module, 24V dc, 8/16 channel ICS TRIPLEX T9402
The T9401/2 digital input module monitors eight (T9401) or sixteen (T9402) isolated digital input channels and notifies the processor module of each field device state and channel condition. Each channel provides both digital state and analogue voltage data to the processor module for field device state, line monitoring and field fault detection.
The input module provides local module and channel status indications through its front panel LEDs, the same indications can be connected to application variables and viewed at the Workbench. Comprehensive diagnostics at both system and module levels generate clear fault indications which help rapid maintenance and repair.
Digital Input Line Monitoring
Each digital input module parameters is set up through the AADvance Workbench configuration tools. Switching levels for each digital input channel are configurable at the module and the channel level. Each input has five configurable voltage bands (there are eight distinct switching thresholds to allow hysteresis), each of which can be adjusted through the AADvance Workbench to provide line monitoring, field loop monitoring and additional field device diagnostics.
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