p10203 Selects SBT
= 0 Via SCC
= 1 Via BICO
= 2 For test stop / forced checking procedure
● Check the motor type; the following must apply: p10204 = r0108.12
For testing brake 1 [index 0] or 2 [index 1], initially, those values must be entered, which apply
to both test sequences:
● Brake type
p10202[0,1] SI Motion SBT brake selection
= 0 Inhibit
This must be set if one of the brakes is either not available or is not to be
tested.
= 1 Testing the motor holding brake
Here, in addition p1215 must be set to = 1
= 2 Setting an external brake
● You define the holding torque of brakes using p10209.
● Test torque ramp time p10208[0,1]
Within this time, before starting the test sequence, the test torque is ramped up – and at the
end of the sequence, is ramped down again.
Note
When testing an external brake, whose mechanical design exhibits backlash (e.g. if there is
a gearbox located between the motor and external brake), it can make sense to extend the
ramp time (p10208) when ramping up and ramping down the test torque.
● The interconnection of the parameters for the telegram extension, relevant for SCC/SIC,
can be performed automatically by setting p60122 = 701. However, the telegram extension
must have been previously created. More detailed information on this can be found in
Chapter "Safety Info Channel and Safety Control Channel (SIC/SCC) (Page 212)".
● The following parameters must also be set if you control the brake test using BICO signals
(p10203 = 1):
p10230.0 Signal for selecting the brake test
p10230.1 Signal for starting the test sequence
p10230.2 Signal for selecting the brake to be tested
(= 0: Brake 1; = 1: Brake 2)
p10230.3 Signal for selecting the sign of the test torque
(= 0: positive; = 1: negative)
p10230.4 Signal to select the test sequence (= 0: sequence 1; = 1: sequence 2)
p10230.5 Feedback signal for the state of the external brake
(= 0: external brake open; = 1: external brake closed)
Safety functions integrated in the drive
4.15 SBT
Safety Integrated (with SINAMICS S120)
174 Commissioning Manual, 02/2020, A5E46305916B AB
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