Lenze i950 Series, Manual

Page: 440 / 500

19.20 Cascading (CAS)
This function allows for the synchronised shutdown of an entire drive network.
Preconditions
•
As source for the cascading request, the SD-In4 input must be parameterised.
0x2124 0x2124, 4: SD-In4
•
As an active input for the "Emergency stop" function and the input delay, a value ≤ 10 ms
must be parameterised for SD-In4. Safe inputs
•
As executing stop function, the "Safe torque off (STO)" function must be parameterised.
Safe Emergency Stop (SSE) 0x28A3:001
^
400
•
As restart behaviour of the drive after executing Safe Torque Off (STO) , "Acknowledged
restart" must be parameterised. 0x2892:001 0x2892:001
•
The control of the SD-Out1 output via a parameterised safety bus must be inhibited. Safety
bus
The plausibility check rejects other settings until the plausibility check is para-
meterised correctly.
•
If the cascading safety function is used in connection with special operation, "SS2" must be
parameterised as stop function in the operation mode selector (OMS).
The STO stop function will trigger the "Cascading" function. Activation by means
of the enable switch (ES) is not possible.
Description of the principle
SD-Out1
SD-In4
i950 #1 i950 #2
SD-In4
SD-Out1
i950 #n
SD-In4
SD-Out1
Fig. 83: CAS function
With
0x2125:001 0x2125:001 , the time period is shown, which elapses from switching the SD-
Out1 output to the OFF state to recording the OFF state at the SD-In4 input.
•
If, after a stop, the time period "0 ms" is shown, another safety function has triggered the
stop via the cascade.
•
The time period is shown until the next system acknowledgement takes place.
Activation of the function
The function is activated by parameterisation of the SD-In4 input as source for a cascading
request ( 0x2124 0x2124, 4: SD-In4 ).
Parameter
Address Name / setting range / [default setting] Info
0x2124 CAS: Quelle SD-In
•
Read only
0 Deactivated
4 SD-In4
0x2125:001 CAS: Cascading: CAS: Stop delay
•
Read only: x ms
Safety functions
Cascading (CAS)
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