Lenze E84Dxxxxx - Manual (Page 12)

2 Introduction
2.3 Connection to the application
12
Lenze · 8400 protec · Drive-based safety · Software Manual · DMS 2.4 EN · 05/2013 · TD05
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2.3.1 "LS_SMInterface" system block
The system block LS_SMInterface is the interface to the integrated safety system in the function
block editor of the »Engineer«.
2.3.1.1 Status information
The drive-based safety system transmits information about the status of the requested or active
safety functions with the bit coded status signal wState.
[2-1] Bit coding of the status signal wState
Output
Data type
Value/meaning
wState
WORD
Bit coded status information of the drive-based safety
 Status information ( 12)
wIOState
WORD
Bit coded I/O information of the drive-based safety
 I/O-Status information ( 13)
wControl
WORD
Bit coded control information of the drive-based safety
 Control information ( 13)
 Transferring the control information to the application ( 14)
bPowerStageEnable
BOOL
Status signal "Inverter enable"
TRUE Inverter is enabled by the safety system.
wModuleID
WORD
ID of the safety system in the controller
0 No safety system available
1 Safety option 10 (SO10):
2 Reserved
3 Safety option 20 (SO20):
4 Safety option 30 (SO30):
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Bit Name Meaning
0 STO Function Safe torque off (STO) is active.
• The drive is safely switched to torqueless operation.
3 EC_STO Error stop category 0: Function Safe torque off (STO) is active.
4 EC_SS1 Error stop category 1: Function Safe stop 1 (SS1) is active.
14 Error active Drive-based safety system in error status (trouble or warning).
Unlisted bits are reserved for future extensions!