SEW movigear sni-b, Operating Instructions Manual

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178
Operating Instructions – MOVIGEAR® SNI-B
10
Switch-off responses
Service
10.3 Switch-off responses
There are 4 switch-off responses depending on the error; the inverter remains blocked
in error status:
10.3.1 Output stage inhibit (immediate switch-off)
The unit can no longer decelerate the drive; the output stage goes to high resistance in
the event of a fault. The DynaStop
®
function is activated immediately for units that are
equipped with DynaStop
®
.
10.3.2 Stop
The drive is decelerated with stop ramp t13. When the stop speed is reached, the
DynaStop
®
function is activated for units equipped with DynaStop
®
. The output stage
then goes to high resistance.
10.3.3 Emergency stop
The drive is decelerated using emergency stop ramp t14. When the stop speed is
reached, the DynaStop
®
function is activated for units equipped with DynaStop
®
. The
output stage then goes to high-resistance.
10.3.4 Standard stop
The drive is decelerated with the set standard ramp. When the stop speed is reached,
the DynaStop
®
function is activated for units equipped with DynaStop
®
. The output
stage then goes to high resistance.
10.4 Reset of error messages
An error message can be acknowledged:
• By switching the power off and on again
• Via the controller/PLC: Send "reset command"
WARNING
Eliminating the cause of the problem or performing a reset may result in the drive re-
starting automatically.
Severe or fatal injuries.
• Prevent the drive from starting up inadvertently, for example by activating STO.