Safety engineering, Safety functions safe profisafe connection – Lenze E94AYAD - SM300 User Manual
Page 36

Safety engineering
Safety functions
Safe PROFIsafe connection
1
1.3
1.3.5
1.3-14
EDS94AYAD EN 2.2
Only the bits specified of the PROFIsafe control byte are supported:
Offset
Bit
Byte
7
6
5
4
3
2
1
0
4
-
-
-
activate
_FV
-
-
-
-
Tab. 1.3-10 Structure of the PROFIsafe control byte
Details of the control byte
Name
Value Description
activate_FV 1
The PROFIsafe output data is deactivated. Thus, the STO function is
activated.
0
The function is deactivated.
-
0
Reserved for future extensions
Tab. 1.3-11 Detail specification of the control byte
The PROFIsafe input data is transmitted to the control by the safety module.
Offset
Bit
Byte
7
6
5
4
3
2
1
0
0
-
-
-
-
-
-
Status
SS1
Status
STO
1
-
-
-
-
-
-
-
-
2
-
-
-
-
-
-
-
-
3
Error
-
-
-
SD-In4
-
SD-In2
SD-In1
Tab. 1.3-12 Structure of the PROFIsafe input data
Details of the PROFIsafe input data
Name
Value Description
STO
0
The STO function is not active.
1
The STO function is active and the drive is safely switched to torque-free
operation.
This bit is also set at the end of the stopping time by SS1.
SS1
0
The SS1 function is not active.
1
The SS1 function is active.
At the end of the function the STO bit is set.
SD-In1
0
Sensor at I1A and I1B
At least one channel is in the OFF state
1
The channels A and B are in the ON state
SD-In2
0
Sensor at I2A and I2B
At least one channel is in the OFF state
1
The channels A and B are in the ON state
SD-In4
0
Sensor at I4A and I4B
At least one channel is in the OFF state
1
The channels A and B are in the ON state
Error
0
Error status is not active.
1
Error status is active.
-
0
Reserved for future extensions
Tab. 1.3-13 Detailed specification of the PROFIsafe input data
Control byte
PROFIsafe input data