Rockwell Automation Publication 450L-UM001D-EN-P - December 2019 139
Connected Components Workbench Software Chapter 9
Table 56 - General Setting Descriptions
Setting Description
Start mode Can only be selected for 8-pin Rx plug-in or for 5-pin Rx plug-in with I/O cascading plug-in. The
selections are:
• Automatic start – If the light curtain is clear, the OSSD outputs turn ON. This mode applies to
power-up and after power-up.
• Power up Start Interlock – Upon power-up, the start must be pressed and released within a
window of 50…5000 ms. After power-up, the OSSD output operates automatically.
• Manual Start – Upon power-up and after the OSSDs turn OFF, the start must be pressed and
released within a window of 50…5000 ms. The OSSD outputs energize on the trailing edge
of the start signal.
• Manual Start with Off Function – Upon power-up and after the OSSDs turn OFF, the start
must be pressed and released within a window of 50…5000 ms. The OSSD outputs energize
on the trailing edge of the start signal. The OSSD outputs can also be turned OFF with the
start.
Start release Start release function can be selected with either the 8-pin Rx plug-ins or the 5-pin plug-ins
with an I/O plug-in. Start Release and EDM cannot be ON simultaneously.
When the light curtain is clear, the OSSD outputs energize on the leading edge of the start
release input.
EDM enable EDM function can only be selected with 8-pin Rx plug-ins. Start Release and EDM cannot be ON
simultaneously.
The EDM input must change state within the selected time. If the EDM signal does not change
state, the OSSD outputs de-energize and the light curtain is locked out; a lock out requires a
power cycle to clear the fault.
•Min: 50 ms
• Max: 1275 ms
• Increment: 5 ms
• Default: 300 ms (when enabled)
Operating range Allows you to set the operating range to either long range (default) or short range.
Beam coding Enables beam coding. Beam coding helps prevents interference from neighboring light
curtains. The response time increases if beam coding is selected.
External test
enables
Enables an input to either turn the OSSD outputs ON or OFF.
Multiple scans Defines whether the light curtain operates in a multiple scanning mode. When enabled,
multiple scan modes only turn OSSDs OFF if there are at least three consecutive scans with an
interruption. The normal mode of operation is the double-scan, which turns OSSDs OFF if there
is an interruption in at least two consecutive scans. This extra measure of resiliency against
spurious trips adds an additional 33% (approximately) to the response time.
Short interruption
ignored
You can define a filter time to ignore short interruptions of the light curtain.
•Min: 0 ms
• Max: 500 ms
• Increment: 2 ms
OSSD threshold time You can define a filter time the OSSD outputs from changing too quickly. This function is
applicable when the OSSD outputs are connected to electromechanical devices like relays and
contactors, and the light curtain is set for automatic start.
If the light curtain is broken and cleared more than twice within the OFF time, the OSSD outputs
turn OFF during the ON time. The ON time must be equal to or greater than the OFF time.
•Min: 30 ms
• Max: 5000 ms
• Default: ON 500 ms, OFF 250 ms
Laser switch off time If enabled, the laser turns off automatically after the selected time expires.
•Min: 0 s
• Max: 255 s
• Increment: 1 s
Configured response
time
The response time is automatically adjusted based on protective height, multiple scanning,
beam coding, and short interruption ignore functions.
Configured
resolution
The resolution is automatically adjusted when reduced resolution or floating blanking are
configured.
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