Issue
In a life safety-related application, such as a fume hood, it is a requirement that the status of the end switch is not shared via peer-to-peer bindings. Instead, the end switch status must be hard-wired to all four controllers. What precautions should be taken to ensure that this will not cause issues.
Product Line
EcoStruxure Building Operation
Environment
Building Operation Room Controller (RPC) 24 V
Cause
Connecting multiple RP-C to the same dry contact.
Resolution
Make sure to use individual transformers to each controller (i.e. one transformer to one controller power supply) to minimize the risk of short circuit.
