The enable condition is a module internal control required to allow the internal relay K2 to be closed. The internal relays can only be closed if the following conditions are fulfilled:
oThe start condition is valid.
oThe safety conditions (safety-related inputs) indicate to authorize activation of the outputs.
oThe internal enable condition is valid for K2.
The safety outputs are deactivated:
oif the enable condition is not valid, or
oif the safety conditions are no longer valid.
The enable condition is set by the controller through a communication with the safety module on the TM3 Bus.
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INCORRECT USE OF THE INTERNAL ENABLE CONDITION |
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Do not use the internal enable condition to control safety-related operations. |
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Failure to follow these instructions can result in death, serious injury, or equipment damage. |
The enable condition is enabled by the system controller through a communication on the TM3 Bus.
The enable condition is disabled by:
oThe system controller through a communication on the TM3 Bus.
oThe module internal safety-related microcontroller when:
oThe synchronization time is enabled and a time-out occurs.
oThe TM3 Bus time-out occurs.
NOTE: The enable condition only affects to internal relay K2. Internal relay K1 may be active even when the enable condition is not valid.
