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Home (Orient) Switch Input
Customer Provided
+5VDC to +12VDC
3-22 Receiving & Installation
To use the internally generated index pulse for homing, no external connections are
required. However, to use an external index input a jumper must be moved and the
external index signal must be connected to J1-29 and 30.
External Index Jumper
Refer to Figure 3-30. The resolver feedback module must be removed from the main
control board to change the JP1 position. Use the following procedure.
1.
Use a grounded wrist strap.
2.
Firmly grasp the Resolver Feedback Module and remove it from its connectors
on the main control board. Be careful not to bend the pins by twisting or lifting
the module unevenly.
3.
Place the jumper in the desired position, refer to Figure 3-30.
4.
Insert the Resolver Feedback Module back into its connectors on the main
control board. Be careful not to bend the pins by twisting or lifting the module
unevenly. Be sure the module is fully seated (pushed into) the connectors.
Connections for External Index Signal
The Home or Orient function causes the motor shaft to rotate to a predefined home
position. The homing function allows shaft rotation in the drive forward direction only.
The home position is located when a machine mounted switch or "Index" pulse is
activated (closed). Home is defined by a rising signal edge at terminal J1-29. The shaft
will continue to rotate only in a "Drive Forward" direction for a user defined offset value.
The offset is programmed in the Level 2 Miscellaneous Homing Offset parameter. The
speed at which the motor will "Home" or orient is set with the Level 2 Miscellaneous
Homing Speed parameter.
A machine mounted switch may be used to define the Home position or "index" channel.
A differential line driver output from a solid state switch is preferred for best noise
immunity. Connect this differential output to terminals J1-29 and J1-30.
A single ended solid-state switch or limit switch should be wired as shown in Figure 3-26.
Regardless of the type of switch used, clean rising and falling edges at J1-29 are required
for accurate positioning.
Note: Control requires dynamic brake hardware for Orient (Homing) function to
work. Control will trip without dynamic brake hardware installed. Size A and B
controls ( "–E" suffix) are shipped with factory installed dynamic brake
hardware.
Figure 3-26 Typical Home or Orient Switch Connections
Limit Switch (Closed at HOME).
J1
29
INDEX
30
Common
See recommended Terminal Tightening
Torques in Section 7.
MN723
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