Siemens SINAMICS S120 Function Manual page 697

Module
Power Module blocksize with
CU310-2
SIMOTION CX32-2 controller
extension
Please note: For the CU310-2, you must use the EP terminal (DI 17) as a switchoff signal path. As
1)
2nd switch-off signal path, use any free digital input (DI).
For further information about the terminals, see the Equipment Manuals.
Note
Function of the EP terminals
The EP terminals are only evaluated if the Safety Integrated Basic Functions are enabled via
onboard terminals.
Description of the two-channel structure
The functions are separately selected/deselected for each drive using two terminals.
● Switch-off signal path, Control Unit (CU310-2/CU320-2)
The desired input terminal is selected via BICO interconnection (BI: p9620[0]).
● Switch-off signal path, Motor Module / Power Module (with CUA3x or CU310-2)
The input terminal is the "EP" terminal ("Enable Pulses").
Drive functions
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
10.8 Control via terminals on the Control Unit and Motor/Power Module
1st switch-off signal path
(p9620[0])
(see CU310-2)
X122.1...6
DI 0...3/16/17
Safety Integrated Basic Functions
2nd switch-off signal path (EP
terminals)
STO_A and STO_B
(for more detailed information,
see "SINAMICS S120 AC Drive
Manual ")
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697