The Solenoid Interlocks ensure that sliding, hinged and removable guarding devices, such as grids, hoods or doors,
cannot be opened until dangerous conditions (e.g. run-on movements) have been terminated. This takes place
in co-ordination with the control system of a machine. Fail-safe standstill monitors or delay timers monitor run-on
movements or time sequences. These Solenoid Interlocks are applicable where the opening of a guarding device
represents a non-permissible intrusion in a production process.

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