Segregate - Siemens Second Wind Function Manual

Operation
6.2 Typical applications
Result scenario 1:
The enabled state is not activated. The "Enabling switch discrepancy error" dialog box opens on
expiration of the discrepancy time. The dialog stays open until the button is released to clear the
discrepancy. A discrepancy error is displayed again when the operator presses the enabling switch
once again .
The device must be repaired. Return the HMI device for repair as described in the section Cleaning,
repairs and spare parts (Page 106).
You can use the second, functional enabling switch to remove the HMI device.
Result scenario 2:
The "Enabling switch discrepancy error" dialog box is closed and the discrepancy is cleared. The
enable signal remains in deactivated state. The "Enabling switch discrepancy error" dialog box opens
again after the button was released and the discrepancy time has expired (see Technical data for fail-
safe operation (Page 109)).
The device must be repaired. Return the HMI device for repair as described in the section Cleaning,
repairs and spare parts (Page 106).
6.2.3.4

Segregate

Removal means the intentional removal of the HMI device from the safety program without
side effects, e.g. a global rampdown.
The operator removes the HMI device by alternatively executing one of the following actions:
● Closing the project
● Switching off the HMI device
After removal the HMI device must be kept in an enclosed area.
Starting situation
The project must be started.
The HMI device must be integrated in the safety program of the F-CPU.
Project termination alternatives
Action
The operator terminates the project with an operator object that has been provided for this purpose.
Following a prompt, the dialog box "Confirm removal" is opened. The operator is requested to confirm
the desired removal with the enabling button.
The operator presses within 60 seconds at least one enabling button until the "Enable" setting is
reached.
PROFIsafe communication is terminated. The HMI device has been successfully segregated from the
safety program of the F-CPU. The project is terminated.
90
Fail-safe operation of the Mobile Panel 277F IWLAN
Function Manual, 08/2008, 6AV6691-1FQ01-2AB0