Lenze E84Dxxxxx Manual do Utilizador descarregar pdf (Página 43)

Lenze · 8400 protec · Drive-based safety · Software Manual · DMS 2.4 EN · 05/2013 · TD05 43

5 Safety option 30

5.1 Safe inputs

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Short overview of "Safe inputs" parameter group:

Sensor type/sensor function

Sensor type and function can be parameterised.

 Tip!

Detailed information on sensor inputs, active and passive sensors can be found in the

manual for the drive-based safety system.

Free assignment

If "Free assignment" has been selected as sensor function, the safety function selected via this

parameter is assigned to the safe input. The following safety functions can be selected:

• Safe torque off (STO) ( 29)

• Safe stop 1 (SS1)

( 30)

Discrepancy time

Maximum time for which both channels of a safe input may have non-equivalent states without

the safety engineering detecting an error.

Input delay

Time between the recognition of the signal change and the effective evaluation of an input signal.

As a result, multiple and short signal changes due to contact bounce of the components are not

taken into account.

Parameter Information Lenze setting

Value Unit

C15030/1...2 SD-In1...2 sensor type Input is deactivated

C15031/1...2

SD-In1...2 sensor function Free assignment

C15032/1...2

SD-In1...2 free assignment STO

C15033/1...2 SD-In1...2 discrepancy time 10 ms

C15034/1...2

SD-In1...2 input delay 0 ms

 Note!

If an error (e.g. a discrepancy error) occurs at a safe input to which the "operation mode

selector" sensor function is assigned, then normal operation (corresponding to the OFF

state) is selected.

• The LED "S_Error" is blinking, no STO

is tripped.

• Special operation can only be selected again if the error has been eliminated and

acknowledged.

 Note!

If "No function" has been selected, no safety function is assigned to the safe input.

Function test and monitoring of the discrepancy time remain active and the status of

the input is transmitted to the control via the safety bus (if parameterised).

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