Yaskawa Sigma-5 Large Capacity Users Manual: Design and Maintenance-Rotary Motors-Mechatrolink-II Communication Reference - Manual (Page 157)

4.9 Safety Function
4-61
4
Ope
rat
ion
(2) Hard Wire Base Block (HWBB) State
The SERVOPACK will be in the following state if the HWBB function operates. If the /HWBB1 or /HWBB2
signal is OFF, the HWBB function will operate and the SERVOPACK will enter a hard wire baseblock
(HWBB) state.
/HWBB1
/HWBB2
M- II
command
Status field
SVON
Motion
command, etc. SV_OFF
command
1 0
0 1
SMON
command, etc.
IO monitor field
HBB
SERVOPACK
state
ON
(Normal operation)
(Normal operation)
OFF
(Motor current
shut-off request)
(Motor current shut-off request)
HWBB state BB state Operation
1 0
0 1
Motion
command, etc. SMON
command, etc.
/HWBB1
/HWBB2
M- II
command
Status field
SVON
IO monitor field
HBB
SERVOPACK
state
ON OFF
HWBB state Operation
The HWBB function operates after the servomotor power is turned OFF.
The HWBB function operates while the servomotor power is ON.
M-II