Lenze 931K - Manual (Page 96)

Device control
State diagram
Control word
8
l
96 KHB 13.0002−EN 4.1
The bits 0 ... 3 can be used to execute state transitions. The commands required for this
purpose are listed in the below overview. The
fault reset command is generated by a
LOW/HIGH edge of bit 7.
Command Bit 7 Bit 3 Bit 2 Bit 1 Bit 0
Shut down x x 1 1 0
Switch on x x 1 1 1
Disable voltage x x x 0 x
Quick stop x x 0 1 x
Disable operation x 0 1 1 1
Enable operation x 1 1 1 1
Fault reset 0−>1 x x x x
Tab. 14 Command overview
x not relevant
)
Note!
Since some of the state changes take some time, all state changes initiated via
the control word must be read back via the status word.
Only if the new state can be read in the status word, a new command can be
given via the control word.