A slide-out linear tool changer configured as Type 1 may fail to extend, or may extend briefly and retract while the controller continues the tool-change sequence. The available evidence points to configuration and I/O action mapping—not the cylinder hardware alone—as the primary area to inspect after replacing a controller without a saved configuration.
Observed Tool Changer Behavior
| Configuration state | Observed behavior | Diagnostic meaning |
|---|---|---|
Tray-up function assigned to tool change output 3
|
Tray did not attempt to extend | The assigned output was not producing the required sustained action during the sequence. |
Cylinder sensor assigned to tool change input 4
|
Tray extended very briefly, retracted, and the sequence continued | The input changed sequence behavior, but its action mapping or expected state remained suspect. |
| Inputs and outputs reassigned under beta software | Tool changer operated correctly | The software configurations did not use identical action assignments. |
Likely Configuration Cause
The strongest evidence is that inputs and outputs were assigned to different actions between the 5.7 software and the beta software. Reusing the same physical terminals or configuration values without checking their associated actions can therefore connect the tray cylinder and sensor to the wrong sequence functions.
The brief extension after adding the cylinder sensor indicates that the controller recognized a condition that allowed extension, then removed the command or advanced immediately. The evidence does not establish whether this resulted from an inverted sensor state, an incorrect input action, an incorrect output action, or another missing configuration value. Treat those as diagnostic hypotheses, not confirmed product behavior.
Recovery Procedure
- Record the physical output wired to the tray cylinder and the physical input wired to its sensor.
- Open the active software version and verify the action assigned to each physical I/O point. Do not assume assignments match between 5.7 and beta software.
- Confirm that the tray-up action is assigned to the intended output and that the cylinder sensor is assigned to the input action expected by the Type 1 sequence.
- If testing the beta software, reassign the inputs and outputs by action name before running a tool change.
- Save the working configuration before changing versions. If returning to 5.7, load the configuration created for that version and recheck every tool-change I/O action.
Verification and Version Ambiguity
Run a controlled tool-change test and verify that the tray extends, remains in the commanded position for the required part of the sequence, and retracts only when the sequence calls for it. Also confirm that the controller receives the cylinder sensor transition at the correct stage rather than merely observing physical motion.
The evidence reports mixed results after returning from beta software: one installation worked after loading its saved 5.7 configuration, while another did not work after returning to 5.07. Because the source uses both 5.7 and 5.07, the exact version relationship is unclear. Preserve separate configurations for each installed version and verify assignments within that version instead of treating the files or mappings as interchangeable.
FAQ
Why does a Type 1 tool changer extend and immediately retract?
The controller may be receiving an input or output action that advances or cancels the extension stage. Check the action mappings for tool change output 3 and tool change input 4 in the active software version.
Are tool-change I/O assignments the same in 5.7 and beta software?
No. The evidence states that inputs and outputs were assigned to different actions between those versions, so verify each physical point by action name after switching software.
Can I reload a beta configuration into 5.7 or 5.07?
The evidence does not confirm cross-version compatibility. One installation succeeded after restoring its saved 5.7 configuration, while another failed after returning to 5.07; keep version-specific files and audit the tool-change mappings after every change.