74 Communication profiles
The CiA 402 state machine is controlled by commands issued via
Control word bits 7, 3…0. The commands are listed in the table
below:
Control word bit
Command Fault
reset
bit 7
Enable
operation
bit 3
Quick
Stop
bit 2
Enable
voltage
bit 1
Switch
on
bit 0
State
transitions
1)
Shutdown
0
X
1
1
0
2, 6, 8
Switch on
0
0
1
1
1
3
Switch on
0
1
1
1
1
3 (+4)
2)
Disable
voltage
0
X
X
0
X
7, 9, 10, 12
Quick stop
0
X
0
1
X
7, 10, 11
Disable
operation
0
0
1
1
1
5
Enable
operation
0
1
1
1
1
4
Fault reset
X
X
X
X
15
X: Bits marked with X are irrelevant
1)
See the figure on the state machine of the CiA 402 communication
profile placed further in this section.
2)
When Control word bit 3 (Enable operation) is 1, the drive does not stay
in the SWITCHED ON state, but immediately moves to state OPERATION
ENABLED.
Содержание FECA-01 EtherCAT
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