Saw User Manual

Section D: Program description
Description of important program elements
Flying Saw with SIMOTION A4027118-A0414
V 1.4 Release 06/06/08 90/107
Copyright © Siemens AG 2008 All rights reserved
Manual_SIMOTION Flying Saw_V1.4.doc
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”