Safe Emergency Stop (Sse) - Lenze i950 Commissioning Manual

Safety functions

Safe Emergency Stop (SSE)

19.2 Safe Emergency Stop (SSE)
The SSE safety function has the highest priority. The SSE safety function is primarily triggered
from all states, operating modes or safety functions. Depending on the parameter setting in
0x28A3:0010x28A3:001, the emergency stop function activates one of the functions:
4Safe Torque Off (STO)
4Safe Stop 1 (SS1)
NOTICE
Emergency stop buttons must not be overruled by a special operation.
Otherwise the functional safety of the system cannot be guaranteed anymore.
▶ Please observe the notes in the section
.
▶ Please observe the notes regarding the special operation (OMS) in the section
4Operation mode selector
Preconditions
The emergency stop buttons are connected to the emergency stop function.
Details
The function is activated by the following:
a data telegram with a corresponding content is sent to the inverter via the safety bus.
•
"OFF state" at a safe input which has been assigned to the function by parameterisation.
•
Via a safe input, if the corresponding parameter is assigned to the safe input.
Activation of the function
A data telegram is sent to the inverter via the safety bus. See chapter
ces".
^ 417
Parameter
Address Name / setting range / [default setting]
0x28A1 SSE: Source SD-In
• Read only
0 Deactivated
1 SD-In1
2 SD-In2
3 SD-In3
4 SD-In4
0x28A2 SSE: Source S-Bus
• Read only
0 Deactivated
1 Activated
0x28A3:001 SSE: SSE: Emergency Stop function
• Read only
0 STO
1 SS1
0x28A4 SSE active: Output
• Read only
0 Deactivated
1 SD-Out1 positive logic
2 SD-Out1 negative logic
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(OMS).
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"Safe network interfa-
Info