Lenze E84Dxxxxx Bedienungsanleitung PDF herunterladen (Seite 29)

Lenze · 8400 protec · Drive-based safety · Software Manual · DMS 2.4 EN · 05/2013 · TD05 29

3 Safe configuration

3.5 Safety functions

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3.5.1.3 Emergency stop function (SSE)

3.5.1.4 Safe torque off (STO)

Safe Stop Emergency / SSE

Description The emergency stop function starts STO or SS1, depending on the setting of the "emergency stop

function" parameter.



• In special operation the emergency stop cannot be avoided.

• Connect the emergency stop buttons, which must not be overruled by a special operation, to

the emergency stop function. For this purpose, parameterise the safe input as "emergency

stop" (C15031

).

Parameter C15205 SSE: Emergency stop function

• Selection of the function to be performed (STO

or SS1).

Activation How to activate the function:

• A data telegram with a corresponding content is sent to the controller via the safety bus.

Safety bus

( 33)

• "OFF state" at a safe input which has been assigned to the function by parameter setting.

Safe inputs

( 42)

Safe torque off / STO (corresponds to a "Stop 0" according to EN 60204)

Description By using this function the power supply for the motor is safely interrupted immediately. The

motor cannot generate a torque and thus no dangerous motions of the drive.



• Additional measures are required against movements caused by external forces, e.g.

mechanical brakes.

• The restart behaviour can be set. Restart behaviour

( 28)

Priority Priority function: none

Subordinated function: SS1

Function

Parameter Function sequence and error response have no adjustable parameters.

Activation How to activate the function:

• A data telegram with a corresponding content is sent to the controller via the safety bus.

Safety bus

( 33)

• "OFF state" at a safe input which has been assigned to the function by parameter setting.

Safe inputs

( 42)

• As response to the error stop request.

• As response to the emergency stop request.

n

t

0

STO

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