Table 4-3
Status message: extended brake control
Signal name
Command, open brake (continuous signal)
Pulse enable, expanded brake control
Brake does not open
Brake does not close
Brake threshold exceeded
Brake threshold fallen below
Brake monitoring time expired
Request, pulse enable missing/n_ctrl inhibited
Brake OR logic operation result
Brake AND logic operation result
4.4.3
Description
The "Extended brake control" function allows complex braking control for motor
holding brakes and operational brakes.
The brake is controlled as follows (the sequence reflects the priority):
S Via parameter p1215
S Via binectors p1219[0..3] and p0855
S Via zero speed detection
S Via a connector interconnection threshold value
© Siemens AG 2006 All Rights Reserved
SINAMICS S120 Function Manual, 03/2006 Edition
Extended Functions
"Extended brake control" function module
Parameter
r1229.1
r1229.3
r1229.4
r1229.5
r1229.6
r1229.7
r1229.8
r1229.9
r1229.10
r1229.11
Brake status
word
B_ZSW.1
B_ZSW.3
B_ZSW.4
B_ZSW.5
B_ZSW.6
B_ZSW.7
B_ZSW.8
B_ZSW.9
B_ZSW.10
B_ZSW.11
4-191