Delta CMC-EC01 Operation Manual page 13

EtherCAT Communication Card: CMC-EC01
When the state machine is in the "Quick Stop" state, stopping of the system will be
conducted in accordance with the settings of Index 605A
When the state machine is in the "Switch On Disable" state, stopping of the system
will be conducted in accordance with the settings of Index 605C
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CMC-EC01 Operation Manual