Safety engineering
Safety functions
Ramp monitoring SS1/SS2
1
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EDS94AYAE EN 6.0
C15316 SS1, SS2: S−ramp time
UNSIGNED_8 9259
d
= 242B
h
S−ramp time of deceleration ramp for SS1 and SS2 if a linear ramp is not used.
Setting range
(min. value | unit | max. value) Information
0 % 100 0 (From SM301 V1.4)
þ Read access Write access o Controller inhibit o PLC-STOP o No transfer
C15317 SS1, SS2: Start offset ramp
UNSIGNED_8 9258
d
= 242A
h
Speed offset at the start of the ramp monitoring.
Display area
(min. value | unit | max. value) Information
0 % 30 0 (From SM301 V1.4)
þ Read access Write access o Controller inhibit o PLC-STOP o No transfer
1.3.6.2 Activation
How to activate the function:
ƒ The ramp monitoring must be activated via the C15315 parameter.
ƒ When the stop functions SS1/SS2 are requested, a monitoring ramp is calculated
and applied to the current speed characteristic.
Note!
ƒ The parameterisation of the monitoring ramp in the safety module must
consider the parameters of the deceleration ramp from within the
application.
ƒ Based on the actual speed, a parameterisable percentage (0 ... 30 %) is added
to the actual speed as a start offset and used as a constant starting value.
– In the Lenze setting of the start offset (C15317), the tolerance window
(n = 0) is considered as an offset.
ƒ The monitoring ramp only starts after an internal deceleration time has
expired which has been generated as a function of the parameters
"SS1, SS2: S−ramp time" and "SS1, SS2: Stopping time":
– The parameter "SS1, SS2: S−ramp time" is scaled linearly from 10 ... 30 % of
the stopping time:
0 % S−ramp time º 10 % deceleration
100 % S−ramp time º 30 % deceleration
– In the Lenze setting of the S−ramp time, the deceleration time is 10 % of
the set stopping time.
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