Emergency Braking; Zero Speed Monitoring - Bosch DM**8001 Series Parameter And Commissioning Manual

5.1.8

Emergency braking

P19 (A-0-0019)
5.1.9

Zero speed monitoring

P20 (A-0-0020)
1070 066 028-101 (01.05) GB
When the external enable signal FG has been deactivated, the drive is
braked with the braking ramp selected via P12 until the output frequency f = 0
is reached.
The braking ramp is extended if there is danger of exceeding I
Activate emergency braking
Coasting
all
DMs, DS
factory
setting
With the help of the zero speed monitoring function, the frequency inverter
detects that the motor has stopped even without an additional motor en-
coder.
For further information, see Section 5.2.2 .
Zero speed monitoring
all
DMs, DS
factory
setting
.
The display flashes and 'bu1' cannot be turned on if the FG enable sig-
nal had previously been active.
In this case, toggle the line voltage off/on, then select 'bu1'.
DANGER
Zero speed monitoring is only ensured if the motor is in zero speed
condition when the monitoring function is activated!
emergency braking
br0 br1
(0) (1)
off on
bu0 bu1
(0) (1)
Commissioning
5–13
.
max