Emerson SI-EtherCAT User Manual page 52

7.3.12 0x6091 Gear_ratio
This object is used to apply scaling. When configured, appropriate user units can be used to control
the position of the shaft beyond a gearbox. The gear ratio is calculated using the following formula:
gear ratio = motor shaft revolutions / driving shaft revolutions
Table 7-24 Gear_ratio
0x6091 Gear_ratio
Sub-index 0
Access: RO
Default: 2
Description:
Sub-index 1
Access: RW
Default: 1
Description: Motor revolutions
Sub-index 2
Access: RW
Default: 1
Description: Shaft revolutions
7.3.13 0x6092 Feed_constant
This is used to configure a feed constant. This is the measurement distance per one revolution of
the output shaft of the gearbox. The feed constant is calculated using the following formula:
feed constant = feed / driving shaft revolutions
Table 7-25 Feed_constant
0x6092 Feed_constant
Sub-index 0
Access: RO
Default: 2
Description:
Sub-index 1
Access: RW
Default: 1
Description: Feed
Sub-index 2
Access: RW
Default: 1
Description: Shaft revolutions
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Range: N/A
Range: 0 to 0xFFFFFFFF
Range: 0 to 0xFFFFFFFF
Range: N/A
Range: 0 to 0xFFFFFFFF
Range: 0 to 0xFFFFFFFF
Size: Unsigned 8
Type: USINT
Size: Unsigned 32
Type: UDINT
Size: Unsigned 32
Type: UDINT
Size: Unsigned 8
Type: USINT
Size: Unsigned 32
Type: UDINT
Size: Unsigned 32
Type: UDINT
SI-EtherCAT User Guide
Unit: N/A
Unit: N/A
Unit: N/A
Unit: N/A
Unit: N/A
Unit: N/A
Issue Number: 2