Instruction manual

Introduction
890USE18300 September 2003 35
When Inputs Fail If an input module on the island bus is providing an input to a reflex block and that
input module loses sensor power from the PDM, the reflex block immediately acts
upon a 0 value coming from that input. After a delay of up to 1.5 ms, the reflex action
acknowledges that PDM power has been lost and puts the reflex channel in its
fallback state.
Note: For more information about fallback conditions, refer to the output module
descriptions in the Advantys STB Hardware Reference Guide (890 USE 172).