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Option
Name
Description
[4]
SSI
[5]
SSI with filter
[6]
BiSS-C
[7]
BiSS-B
Parameter 32-33 Absolute Resolution
Table 1130: Parameter 32-33 Absolute Resolution
32-33 Absolute Resolution
Default value: 8192
Parameter type: Range, 0 - 1073741823
Setup: 2 setups
Conversion index: 0
Data type: Uint32
Change during operation: True
The encoder resolution is used for calculating velocity in RPM. Set the resolution of the absolute encoder connected to terminal X56
in positions per revolution. Find the encoder resolution on the encoder nameplate.
Parameter 32-35 Absolute Encoder Data Length
Table 1131: Parameter 32-35 Absolute Encoder Data Length
32-35 Absolute Encoder Data Length
Default value: 25
Parameter type: Range, 8 - 37
Setup: 2 setups
Conversion index: 0
Data type: Uint8
Change during operation: True
Specify the number of data bits for the connected absolute encoder, see encoder datasheet. This specification is required for VLT®
Motion Control Option MCO 305 and VLT® Motion Control Option MCO 302 to generate the correct number of clock bits.
Parameter 32-36 Absolute Encoder Clock Frequency
Table 1132: Parameter 32-36 Absolute Encoder Clock Frequency
32-36 Absolute Encoder Clock Frequency
Default value: 262
Parameter type: Range, 78.125 - 2000 kHz
Setup: 2 setups
Conversion index: 3
Data type: Uint32
Change during operation: True
Specifies the frequency of the absolute encoder clock signal generated by VLT® Motion Control Option MCO 305 and VLT® Motion
Control Option MCO 302. Set a frequency appropriate for the connected encoder.
Parameter 32-37 Absolute Encoder Clock Generation
Table 1133: Parameter 32-37 Absolute Encoder Clock Generation
32-37 Absolute Encoder Clock Generation
Default value: [1] On
Parameter type: Option
Setup: 2 setups
Conversion index: -
Data type: Uint8
Change during operation: True
Option Name Description
[0]
Off
Select
[0] Off
when more MCOs are connected to the same absolute encoder. Only 1 MCO is allowed to gener-
ate the clock signal when multiple MCOs are interconnected.
[1]*
On
Select
[1] On
when 1 MCO is connected to 1 absolute encoder.
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Parameter Descriptions
VLT AutomationDrive FC 301/302
Programming Guide