Rockwell Automation Publication 450L-UM001D-EN-P - December 2019 161
Connected Components Workbench Software Chapter 9
Configuration Options
On the configuration window, blanking has three types that can be selected when
the Connected Components Workbench software is disconnected from the light
curtain:
• Disable – blanking is not used.
• Software configuration – configure for fixed, floating, or reduced
resolution.
• Push Button Teach-in – use the Teach command button on the Diagnose
Window.
Fixed Blanking
A fixed blanking zone is a set of lenses that has been configured to always expect
an object to block the beams. The beams must always be blocked. A fixed zone
that becomes unblocked causes the OSSD outputs of the light curtain receiver to
turn OFF.
The Bulletin 450L-E accommodates changes in the set of lenses that can be
blocked; this change is the object tolerance. The object tolerance can be set to
zero (no lens tolerance) or to a negative number. The fixed blanking range can
only be smaller by the tolerance number. A positive shift in the object size or
location causes the OSSD outputs to turn OFF.
The Bulletin 450L-E uses the first or last beams for synchronization. If the first
beam is blocked, then the last beam cannot be blocked. In contrast, if the last
beam is blocked then the first beam cannot be blocked (see Fixed Blanking
).
Settings
Figure 122 on page 162 shows the settings for Fixed Blanking for Zone 1. Up to
eight zones can be configured for fixed blanking or other types of blanking. The
Teach Blanking Zones is enabled for fixed blanking. Table 62 on page 163
describes the blanking settings. Select the values appropriate for the application.
Reset Zone 1 to Zone 8 – Click to clear the settings of the specified zones. The
specified zones are a range from the selected zone to Zone 8.
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