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5 CiA 402 DRIVE PROFILE
5.1 State machine control of the servo amplifier
Bit 0 to Bit 3, Bit 5, and Bit 6 are switched depending on the state machine (internal state of the MR-J4-_GF_(-RJ) servo
amplifier). Refer to the following table for details.
*1 Statusword is not sent in the Not ready to switch on state.
Usage
A command of Controlword allows a transition to the target status, skipping the statuses in between. The statuses can
transition as shown in the following table, for example. (
Statusword (bin)
State machine
x0xx xxx0 x0xx 0000
Not ready to switch on
x0xx xxx0 x1xx 0000
Switch on disabled
x0xx xxx0 x01x 0001
Ready to switch on
x0xx xxx0 x01x 0011
Switched on
x0xx xxx0 x01x 0111
Operation enabled
x0xx xxx0 x00x 0111
Quick stop active
x0xx xxx0 x0xx 1111
Fault reaction active
x0xx xxx0 x0xx 1000
Fault
Current state
Command
Status after transition
(B) Switch on disabled
Switch on
(D) Switched on
(B) Switch on disabled
Enable operation
(E) Operation enabled
(C) Ready to switch on
Enable operation
(E) Operation enabled