Parker LVD1 - Appendix D: Conventions; Appendix E: Software Timer Intervals

Parker Hannifin S.p.A. - Divisione S.B.C. LVD User’s Manual
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Appendix D : conventions
Reference Positive
Motor shaft movement
(viewed from motor shaft side)
Torque Positive
Resolver counter Incremental
Encoder output A
B
Tachometric signal Positive
Iu
(
)
torque sin• ϑ
Iv
torque sin• +
•






ϑ
π2
3
Positive auxiliary input Pr22 positive
Pr38 positive Positive auxiliary analog output
Encoder In. A Counter increment
B
Appendix E : software timer intervals
Interval Task
256 µs
torque vector generator
512 µs
speed control
fast operating mode management
torque limit management
speed reference management
braking resistor management
FIN management
2.048 ms slow op. mode management
6.144 ms motor thermal image
digital inputs
pico-PLC program scan
digital outputs
49.152 ms speed window management