Siemens Simotion A4027118-A0414 - Manual (Page 90)

Section D: Program description
Description of important program elements
Flying Saw with SIMOTION A4027118-A0414
V 1.4 Release 06/06/08 90/107
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10.3.2 Start identification, axis monitoring and automatic state change
chains
Start identification
Identify whether a restart is present.
If yes, then
• Activate the monitoring of the parameterization of the technology
objects as well as auto-parameterization.
• Control the state machines in the “manual” state via the state sequence
– Error
(if activated, the monitoring and auto-parameterization are realized
in the error state)
– Disable
– Manual
From any state.
If no, then
• Transfer the selected operating state with a positive edge at the
execute input
• Reset all block outputs with a negative signal edge at the execute input
Axis monitoring functions
The flying saw axis has an error, the "FlyingSaw FB“ is forced into the error
state.
However, the monitoring function is only active after the technology objects
have been successfully completed.
Automatic state change sequences
The following automatic state change sequences have been implemented:
• From the “error” state into the “starting position” state.
“Error“ Æ “Disable” Æ “Starting position”
• From the “error” state into the “automatic” state.
“Error“
Æ “Disable” Æ “Starting position” Æ “Automatic”
• From the “error” state into the “manual” state.
“Error“ Æ “Disable” Æ “Manual”
• From the “starting position” state into the “manual” state.
“Starting position” Æ “Disable” Æ “Manual”
• From the “automatic” state into the “manual” state.
“Automatic” Æ “Error” Æ “Disable” Æ “Manual”