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• Encoding
The following encoder codes are supported:
– Binary
– Gray
• Baud rate
The following baud rates are supported:
– 187.5 Kbits/s
– 375 Kbits/s
– 750 Kbits/s
4.5.2
Unipolar spindle or unipolar motor
Introduction
The drive can be moved in two directions. Selecting the "Unipolar spindle" option switches the
voltage range of the analog output voltage.
Unipolar spindle not selected
If the "Unipolar spindle" option is not selected, an analog voltage in the range of -10 V to +10 V
is output as the setpoint.
Unipolar spindle selected
If the "Unipolar spindle" check box is selected, an analog voltage in the range of 0 V to +10 V is
output as the setpoint. The direction of rotation is then output from the ADI4, depending on the
current speed setpoint, via a digital output of the ADI4:
• Direction of rotation signal for Axis 1 → Digital output X6-1, Pin 6
• Direction of rotation signal for Axis 2 → Digital output X6-1, Pin 7
• Direction of rotation signal for Axis 3 → Digital output X6-1, Pin 8
• Direction of rotation signal for Axis 4 → Digital output X6-1, Pin 9
Note
"Unipolar spindle" (or "Unipolar motor") function is not available.
SIMOTION ADI4 - Analog Drive Interface for 4 Axes
Equipment Manual, 07/2017, A5E33446849B
Note
The following boundary conditions must be taken into account for SSI encoders:
• The baud rate setting must be identical for all SSI encoders. If baud rate settings are
different, the baud rate of the SSI encoder with the highest encoder number is used.
• In conjunction with ADI4, only absolute encoders (SSI) with "Pine tree" data output
format (TSSI) can be operated.
Parameter assignment
4.5 Function parameters
53
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