Sequencing Logic - Parker AC890 Product Manual

Appendix B

Sequencing Logic

A p p e n d i x B :
The 890SD Standalone Drive's reaction to commands is defined by a state machine. This determines which
commands provide the demanded action, and in which sequence.
♦ Main sequencing states
♦ State outputs of the SEQUENCING LOGIC
function block
♦ Transition of states
890SD (Standalone) Drive: Frame G, H & J
Sequencing Logic
♦ State diagram
♦ External control of the drive
B-1
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