Module Power Up On power up the module begins performing the following logical functions:07KT97B 1 Initialize hardware components 2 Initialize Flex backplane driver o Test and Clear all RAM o Initialize the serial communication ports o Use configuration stored on module’s flash RAM to configure module 07KT97B Initialize Communication ports 07KT97B Set up the serial communication interface driver on the selected ports Once the module has received the Module Configuration Block from the processor and the module is configured, the module will begin receiving and transmitting messages with devices on the serial port.Anytime the module detects that the processor has gone out of the Run mode (i.e., Fault or PGM), the application port can be shut down as prescribed in the user configuration. When the processor is returned to a running state, the module will resume communications on the serial network.07KT97B
You can install or remove ControlLogix system components while the chassis is powered on and the system is running. However, please note the following warnings. Warning: Arcing may occur when inserting or removing modules when the backplane power is turned on. Electric arcs may cause personal injury or property damage due to sending incorrect signals to the system’s actuators, causing accidental movement of the machine or loss of process control, resulting in explosions in hazardous environments. Before continuing, please confirm that the power supply is disconnected or that the area is not in danger. Repeated arcs can cause excessive wear on the contacts on the module and its paired connectors. Contact wear may generate resistance, which can affect the operation of the module. Align the module with the top and bottom rails, then slide it into the rack until the module is firmly against the backplane connector.
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