Function library
Function blocks
9.2.14 Holding brake (BRK)
9-72
L
EDSVS9332S-D11 EN 3.0
Purpose
The FB is used to trigger a holding brake.
Possible applications:
z Hoists
z Traversing drives
z Active loads
CTRL
BRK-SET
C0459
BRK-OUT
C0450
C0451
BRK-Nx
C0458/1
BRK-QSP
BRK-M-STORE
BRK-CINH
BRK-M-SET
C0452
BRK-SIGN
C0458/1
SIGN
t
0
t
0
CINH
MCTRL-NACT
MCTRL-MACT
C0195
C0196
C0244
BRK
MCTRL-NSET2
Fig. 9-33 Holding brake (BRK)
Signal
Source Note
Name Type DIS DIS format CFG List Lenze
BRK-SET d C0459 bin C0451 2 1000 -
BRK-NX a C0458/1 dec [%] C0450 1 1000 Speed threshold from which the drive may
output the signal ”Close brake”. The signal
source for this input can be a control code,
a fixed value, or any other analog FB
output.
BRK-SIGN a C0458/2 dec [%] C0452 1 1000 Direction of the torque with which the drive
is to set up a torque against the brake. The
signal source for this input can b e a c ontrol
code, a fixed value, or any other FB output.
BRK-M-SET a - dec [%] C0244 - 0.00 Holding torque of the DC injection brake
100 % = value of C0057
BRK-T-ACT a - dec C0195 - 99.9 Brake a pplication time
BRK-T-RELEASE a - dec C0196 - 0.0 Brake release time
Function
The signals N-ACT, M-ACT, N-SETand BRK-Nx are processed as absolute values within thefunction
block.
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