Lenze E94AYAE SM301 - Manual (Page 67)

Safety engineering
Safety functions
Emergency stop
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67 EDS94AYAE EN 7.0
1.3.7 Emergency stop
1.3.7.1 Description
Safe Stop Emergency/SSE
The emergency stop function activates STO or SS1. The function to be executed can be set
(C15205). There is no way to avoid emergency stopping during special operation.
With active cascading (C15035 from SM301 V1.1) only "STO" is permissible as emergency
stop.
)
Note!
Connect the emergency stop buttons which must not be overruled by a special
operation to the emergency stop function. For this purpose, parameterise the
safe input as "emergency stop" (C15031).
The emergency stop function can also be requested with SSE bit via the safety
bus.
The activation of the function is reported internally to the standard device and via the
safety bus of the higher−level control.
Codes
Parameter: Name: Data type: Index:
C15205 SSE: Safe stop emergency function UNSIGNED_8 9370 d = 249A h
Selection of the stop function for emergency stop
Selection list (Lenze setting printed in bold) Information
0 STO Safe torque off
1 SS1 Safe stop 1
þ Read access } Write access o Controller inhibit o PLC-STOP o No transfer
1.3.7.2 Activation
How to activate the function:
ƒ "OFF state" at a safe input, the function of which has been assigned by parameter
setting.
ƒ Via a safety bus data telegram with corresponding content.