Chapter 7 - Parameter Settings
ABB
44 (of 62) 3BHS135824 ZAB E01Rev. D ACS 6000 Commissioning Manual
Another routine calculates generative torque limit corresponding to RBU
breaking power capability. RBU braking power is selected according to
RBU maximum temperature with hysteresis.
See ACS 6000 TC SW (Torque Controller Soft Ware)
commissioning manual for details (ACS6000ad or sd).
7.3.2 Gray and Pulse Encoders
Synchronous motor control requires always shaft speed and position
measurement feedback signals.
The following parameters are needed for encoder initialization:
Parameter Name Unit
165.23 Pulse number of the speed encoder (NTAC
pulse number)
pulses/rev
165.30 Selection if the used speed encoder has zero
channel signal
TRUE/FALSE
166.21 Position encoder type (GRAY pos. source) TRUE/FALSE
166.22 Position encoder bit number (GRAY bit
number)
-
All others than zero channel selection and position encoder type are
explicit values. Zero channel selection is defined
TRUE ~ zero channel is used
FALSE ~ zero channel is not used
Position encoder type is defined:
TRUE ~ SSI serial communication interface
FALSE ~ Parallel communication interface
Confirmation that the parameters have been checked is asked in the
commissioning report.
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