Festo SEC-AC-305-CO, Manual

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6. Device Control/State diagram (State machine)
6−15
Festo P.BE−SEC−AC−CO−E N en 0802a
6.1.4 Auslesen des Reglerzustands
Similar to initiating several commands by setting bits of the
controlword , the state of the servo controller can be read by
specific bit combinations in the statusword .
The following chart lists all states of the state diagram and
their respective bit combination occurring in the statusword.
State Bit 6 Bit 5 Bit 3 Bit 2 Bit 1 Bit 0 Mask Value
0040
h
0020
h
0008
h
0004
h
0002
h
0001
h
NOT_READY_TO_SWITCH_ON 0 x 0 0 0 0 004F
h
0000
h
SWITCH_ON_DISABLED 1 x 0 0 0 0 004F
h
0040
h
READY_TO_SWITCH_ON 0 1 0 0 0 1 0006F
h
0021
h
SWITCHED_ON 0 1 0 0 1 1 006F
h
0023
h
OPERATION_ENABLE 0 1 0 1 1 1 006F
h
0027
h
FAULT 0 x 1 1 1 1 004F
h
000F
h
FAULT_REACTION_ACTIVE 0 x 1 1 1 1 004F
h
000F
h
QUICK_STOP_ACTIVE 0 0 0 1 1 1 006F
h
0007
h
Fig.6/5: Device state (x = not relevant)