Lenze 931W - Manual (Page 34)

Control word / status word
The Profidrive state machine
State machine and general state diagram
6

34 K-HB 13.0001-EN 2.1
S5: Switching-off
S1:
Switch-on
inhibit
Braking along
ramp
Quick stop:
Braking along
ramp
S2:
Ready to
switch on
S3:
Ready for
operation
S4:
Operation
enabled
Switch-on
of power
supply
Bit 0 = 0: ON = 0
Bit 1 = 0: No Off2 = 0
Bit 2 = 0: No Off3 = 0
At standstill or
Bit 3 = 0, Enable Operation = 0
Bit 0 = 0: On = 0
Bit 1 = 0: No Off2 = 0
Bit 2 = 0: No Off3 = 0
Bit 0 = 1: ON = 1 Bit 0 = 0: ON = 0
Bit 1 = 0: No Off2 = 0
Bit 2 = 0: No Off3 = 0
Bit 3 = 1:
Enable Operation = 1
Bit 0 = 0: No Off2=0
Bit 3 = 0:
Enable Operation = 0
Bit 0 = 0: ON = 0
Bit 0 = 1: ON = 1
Bit 2 = 0: No Off3 = 0 (Quick stop)
Bit 2 = 0:
Bit 1 = 0:
No Off2 = 0
Bit 1 = 0: No Off2 = 0
At standstill or
Bit 3 = 0, Enable Operation = 0
931m_022
Fig. 1 General representation of the state diagram
The current status of the drive can be obtained from the status word (ZSW) of the drive. In
the Tab. 13 the single bits of the status word and the states are listed.