Siemens SINUMERIK 840D sl Function Manual page 445

03.06
Table 10-2 Fault responses
Fault re- Response
sponse
OFF 2 Internal/external
pulse cancella-
(OFF 2)
tion
OFF 3 Brakes along the
OFF 3 down
ramp and then
the pulses are
cancelled
STOP 2 n_set = 0
(Halt 2)
© Siemens AG, 2006. All rights reserved
SINUMERIK 840D sl/SINAMICS S120 SINUMERIK Safety Integrated (FBSI sl) – 03.2006 Edition
10.3 Safety messages for SINAMICS S120
Description
S
Immediate pulse cancellation, the drive "coasts"
to a standstill.
S
The motor holding brake (if parameterized) is
closed immediately.
S
Power-on disable is activated.
S
The drive is braked along the OFF3 down ramp
(p1135) by immediately entering n_set = 0.
S
When zero speed is detected, the motor holding
brake (if parameterized) is closed. The pulses
are cancelled when the brake application time
(p1217) expires.
S
Zero speed is detected if the actual speed drops
below the threshold in p1226 or if the monitoring
time (p1227) started when speed setpoint <=
speed threshold (p1226) has expired.
S
The drive is braked along the OFF 3 down ramp
(p1135) by immediately entering n_set = 0.
S
The drive remains in closed-loop speed control
mode.
Diagnostics
Safety stop
response
STOP A,
Test stop
STOP B
(after r9556
has expired or
p9560 is fallen
below, STOP
A is initiated)
STOP C
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