Hard Wire Base Block (Hwbb) State - YASKAWA SGD7S Product Manual

11.2 Hard Wire Base Block (HWBB)

11.2.2 Hard Wire Base Block (HWBB) State

• Direct Drive Servomotor: 1/20 rotation max. (rotational angle calculated at the motor shaft)
• Linear Servomotor: 50 mm max.
• The HWBB does not shut OFF the power to the SERVOPACK or electrically isolate it. Imple-
ment measures to shut OFF the power supply to the SERVOPACK before you perform main-
tenance on it.

11.2.2 Hard Wire Base Block (HWBB) State

The SERVOPACK will be in the following state if the HWBB operates. If the /HWBB1 or
/HWBB2 signal turns OFF, the HWBB will operate and the SERVOPACK will enter a HWBB
state.
• When HWBB Operates after Servo OFF (Power Not Supplied to Motor)
Servo ON command
(Enable)
• When HWBB Operates While Power Is Supplied to Servomotor
11-4
/HWBB1
ON (normal operation)
/HWBB2
1
Enable State
1
SERVOPACK Operating
Status state
/HWBB1 ON (normal
/HWBB2
operation)
Servo ON command
1
(Enable)
Enable State
1
SERVOPACK
Operating state
Status
OFF (motor current
shut-OFF request)
0
0
BB state HWBB state
OFF
(motor current shut-OFF request)
0
HWBB state