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2.3.5. End of Travel and Home Limit Inputs
End of Travel (EOT) limits are required to define the end of the physical travel on linear axes. Positive or
clockwise motion is stopped by the clockwise (CW) end of travel limit input. Negative or counterclockwise
motion is stopped by the counterclockwise (CCW) end of travel limit input. The Home Limit switch can be
parameter configured for use during the home cycle, however, the CW or CCW EOT limit is typically used
instead. All of the end-of-travel limit inputs accept 0-5 VDC level signals. Limit directions are relative to
the encoder polarity in the diagnostics display (refer to
).
Table 2-22:
End of Travel and Home Limit Pins on the Feedback Connector
Pin #
Description
In/Out/Bi
12
Clockwise End of Travel Limit
Input
16
+5V Power
N/A
20
Signal Common
N/A
21
Signal Common
N/A
22
Home Switch Input
Input
24
Counterclockwise End of Travel Limit
Input
The active state (High/Low) of the EOT limits is software selectable (by the EndOfTravelLimitSetup axis
parameter).
shows the possible wiring configurations for normally-open and normally-closed
switches and the parameter setting to use for each configuration.
IMPORTANT
: Use NPN-type normally-closed limit switches (Active High) to provide fail-
safe behavior in the event of an open circuit.
2.3.5. End of Travel and Home Limit Inputs
XC4e Hardware Manual
56
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Содержание Automation1 XC4e
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Страница 24: ...Figure 1 4 Dimensions EB1 1 2 2 Dimensions XC4e Hardware Manual 24 www aerotech com...
Страница 73: ...Figure 2 38 PSO Interface XC4e Hardware Manual 2 5 Auxiliary I O Connector www aerotech com 73...
Страница 94: ...Figure 3 2 Digital Outputs Schematic EB1 3 1 Digital Outputs EB1 XC4e Hardware Manual 94 www aerotech com...
Страница 105: ...Figure 4 2 Two Axis Joystick Interface to the I O board XC4e Hardware Manual 4 1 Joystick Interface www aerotech com 105...
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