Basic Operation - YASKAWA E-V Series User Manual

6 Safety Functions

6.4.1 Basic Operation

• Related Parameters
The schematic diagram and related parameters for monitoring the speed are shown below.
Safety request
input state A
SBB-D function
operation state
Parameter
No.
Pc10
Pc11
Pc12
Pc20
Pc21
Pc22
6-18
Safety request
input state A
Motor speed
SBB-D function
operation state
Power supply to
motor
ALM signal
(SERVOPACK CN1)
td1: Power shut-OFF delay time (40 ms max.)
td2: Alarm signal output delay time (40 ms max.)
Operation Timing
ON OFF (Safety Function Execution Request)
t 1
0
Deceleration monitoring
Name
Deceleration Waiting Time
0 to 10000
A (Safety Function A)
Deceleration Monitoring
Time A (Safety Function 0 to 10000
A)
Limited Speed A on 
Waiting for Deceleration 0 to 10000
(Safety Function A)
Deceleration Waiting Time
0 to 10000
B (Safety Function B)
Deceleration Monitoring
Time B (Safety Function 0 to 10000
B)
Limited Speed B on 
Waiting for Deceleration 0 to 10000
(Safety Function B)
Operation Timing
OFF (Safety Function
ON
Execution Request)
Monitoring speed
0
Set Time
Deceleration
Standby
monitoring
Supplied
OFF
Monitoring speed
t 2
Safe (HWBB) state
Setting
Units
Range
10 ms
10 ms
Rotational motor:
-1
min
Linear motor:
mm/s
10 ms
10 ms
Rotational motor:
-1
min
Linear motor:
mm/s
Alarm
Safe (HWBB)
state
td1
Shut OFF
td2
ON
Remarks
t1: Deceleration Waiting
Time (Pc10 and Pc20)
t2: Deceleration
Monitoring Time (Pc11
and Pc21)
s1: Limited Speed on
Waiting for Decelera-
tion (Pc12 and Pc22)
Setting conditions
t1  t2
s1  Motor Max. Speed
Factory
When Enabled
Setting
0 After resetting the system
500 After resetting the system
0 After resetting the system
0 After resetting the system
500 After resetting the system
0 After resetting the system