Settings; Returning Method; Exceptional Operation - YASKAWA E-V Series User Manual

Note 1. The deceleration waiting time (t1) cannot be longer than the deceleration monitoring time (t2). If it is longer,
alarm A.EB2 (Safety Module: Parameter Setting Error) will occur.
2. The deceleration waiting monitoring speed (S1) cannot be faster than the Motor Max. Speed. If it is faster, alarm
A.EB2 (Safety Module: Parameter Setting Error) will occur.

6.4.2 Settings

To use the SBB-D function, make the settings for using the SBB-D function of either Safety Function A or
Safety Function B in the parameters. For details on the settings of the safety functions, refer to 6.2.1 Selecting
a Safety Function.

6.4.3 Returning Method

The method of returning to normal operation depends on the operation state of the SBB-D function.
(1) During Deceleration Monitoring
The SERVOPACK will return to normal operation when the input state of safety request is turned to ON.
(2) During Safe (HWBB) State
The method of returning to normal operation after deceleration monitoring has ended and the SERVOPACK
has changed to the safe (HWBB) state is the same as that for the SBB function. For details, refer to 6.3.3

Returning Method.

6.4.4 Exceptional Operation

(1) After Resetting the System
The operation after the system is reset is the same as the operation after the system is reset for the SBB func-
tion. For details, refer to 6.3.4 Exceptional Operation.
(2) While Recalculating Parameters
The operation when parameters are being recalculated is the same as the operation when parameters are being
recalculated for the SBB function. For details, refer to 6.3.4 Exceptional Operation.
Operation Timing
OFF (Safety
Function Execution
Safety request
ON
Request)
input state
Motor speed
0
SBB-D function
Standby
operation state
6.4 Safe BaseBlock with Delay Function (SBB-D Function)
ON
Monitoring
speed
Deceleration monitoring time
Deceleration
Standby
monitoring
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