Mechanical Brake Control - ABB ACS850 Manual
Machinery drive
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Also See for ACS850:
- Firmware manual (260 pages) ,
- Quick start up manual (196 pages) ,
- Hardware manual (145 pages)
Table of Contents
72 Program features
The PID control macro can be activated from the control panel main menu by
selecting ASSISTANTS – Firmware assistants – Application Macro – PID control. See
also page 94.
Mechanical brake control
A mechanical brake can be used for holding the motor and driven machinery at zero
speed when the drive is stopped, or not powered.
Parameters
03.15 Brake torq mem
stored when the brake close command is issued and the value of the brake command
respectively.
Settings
Parameter group
42 Mech brake ctrl
BSM = Brake State Machine
* Depending on setting of parameter
42.12 Brake fault func
9)
Fault/Alarm*
BRAKE NOT CLOSED
10)
Fault/Alarm*
BRAKE START TORQUE
11)
12)
Fault/Alarm*
BRAKE NOT OPEN
NN
State (Symbol
- NN: State name
- W/X/Y/Z: State outputs/operations
W: 1 = Brake open command is active. 0 = Brake close command is active. (Controlled
through selected digital/relay output with signal
and
(page 220).
13)
Fault/Alarm*
BRAKE NOT CLOSED
)
W/X/Y/Z
03.16 Brake command
From any state
1)
BSM
STOPPED
2)
BSM
START
3)
OPEN
BRAKE
4)
RELEASE
RAMP
6)
CLOSE
BRAKE
7)
EXTENDED
RUN
14)
03.16 Brake
show the torque value
0/0/1/1
0/1/1/1
1/1/0/0
1/1/0/0
5)
0/1/1/0
command.)
8)
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