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Parameter assignment
4.5 Function parameters
Digital output word
The signal sources for the homing are selected on an axis-specific basis via the following bits of
the output word (see also output word in the table "Message frame structure" in Section
"Message frame type"):
Table 4-4
Bit
8
9
10
11
If the 611U conformant mode has been assigned for an axis to be homed, the axis-specific signal
for selection of the signal source must be set in the digital output word of the ADI4 from the PLC
user program. This must take place prior to the request of the "Find reference mark" function in
the control word.
Note
With 611U conformant mode
• For homing of an axis using an encoder zero mark and an external zero mark, the appropriate
axis-specific bit must be set to 0 (encoder zero mark) in the digital output word by the PLC
user program.
• The signal source for homing can be switched during operation.
Without 611U conformant mode
• Homing is always performed in relation to the zero mark of the axis.
The following sections show the basic system structure and the respective boundary conditions
of the individual homing methods.
Exiting the dialog box
If the "DP Slave Properties" dialog box is exited with "OK", the data are accepted and the dialog
box is closed.
Step 1: End
Step 1 of the ADI4 DP slave parameter assignment is now complete.
56
Output word: signal sources for homing
Value Signal source for homing
0
Axis 1: Zero mark of Encoder 1 (X4-1)
1
Axis 1: Rising edge of External zero mark 1 (X6-2, Pin 2)
0
Axis 2: Zero mark of Encoder 2 (X4-2)
1
Axis 2: Rising edge of External zero mark 2 (X6-2, Pin 3)
0
Axis 3: Zero mark of Encoder 3 (X4-3)
1
Axis 3: Rising edge of External zero mark 3 (X6-2, Pin 4)
0
Axis 4: Zero mark of Encoder 4 (X4-4)
1
Axis 4: Rising edge of External zero mark 4 (X6-2, Pin 5)
SIMOTION ADI4 - Analog Drive Interface for 4 Axes
Equipment Manual, 07/2017, A5E33446849B
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