Functions
6.10 Quick Stop function
SINAMICS G110D
Operating Instructions, 07/2016, FW V3.63, A5E36768472B AB
155
There are two sensors on the conveyor section, so that the Quick Stop function can stop the
conveyor section in either direction when a load is detected.
How does it work?
The Quick Stop function is configured using BICO parameters and they are explained in the
table below.
Table 6- 51 Quick Stop parameters
Parameter Description
Remarks
P0881
Quick Stop function Input 1 is ON
Allows Quick Stop source 1 command to be selected using BICO. The
signal is expected to be active low (default setting P0886 = 2).
P0882
Quick Stop function Input 2 is ON
Allows Quick Stop source 2 command to be selected using BICO. The
signal is expected to be active low (default setting (P0886 = 2).
P0883
Quick Stop override
Allows Quick Stop override command source to be selected using
BICO. The signal is expected to be active high.
r0885
Quick Stop status
Bit field describing status of quick stop
Bit /description 1 0
00: Quick Stop is active Yes No
01: Quick Stop selected Yes No
02: Override selected Yes No
03: Keypad control active Yes No
04: Quick Stop Enabled Yes No
P0886
Quick Stop input type
Control Word for selecting the Quick Stop input type.
0: Quick Stop not selected
1: Quick Stop input active high
2: Quick Stop input active low
3: Quick Stop input positive edge triggered
4: Quick Stop input negative edge triggered
When the Quick Stop function is activated, an OFF1 command is initiated. The motor will be
slowed and brought to a standstill using the ramp-down times set in parameter P1121. The
default setting for P1121 is 10 seconds and this value may need adjusted to ensure that the
load on the conveyor section is brought to a halt at the correct position on the conveyor
section
Setting the ramp-down time too short can cause the Inverter to trip with either and
overcurrent or overvoltage fault.
The controlling system, for example, the AS-i controller detects that the Quick Stop function
has been activated and can, by use of the appropriate ON command or the 'Quick Stop
override" signal restart the motor as required.
Using parameter P0886, it is possible to set the type of reaction required to stop the
conveyor section. There are basically two trigger methods, edge triggered signals or level
triggered signals. Each type of triggering method produces a different reaction to the OFF1
command and the restarting of the motor. These reactions are shown in the figures below:
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