S120 Combi Power Modules 
4.3 Interface description 
84 
SINAMICS S120 Combi 
Manual, (GH9), 07/2016, 6SL3097-4AV00-0BP5 
 
Table 4- 10  X21 EP terminals - infeed 
Reserved, do not use 
2  - 
Supply voltage: 24 V DC (20.4 ... 28.8 V) 
Current consumption, typical: 4 mA at 24 V 
4  EP M1 (Enable Pulses) 
Type: Screw terminal 1 (Page 307) 
Max. connectable cross-section: 1.5 mm
2
 
Tightening torque: 0.22 … 0.25 Nm 
Table 4- 11  X22 EP terminal/temperature sensor - axes 
Temperature sensors 
1)
: KTY84–1C130 / PT1000 / PTC 
/ bimetallic switch with NC contact 
Supply voltage: 24 V DC (20.4 ... 28.8 V) 
Current consumption, typical: 4 mA at 24 V 
Isolated input 
The pulse inhibit function is only available when Safety 
Integrated Basic Functions are enabled. 
4  EP M1 (Enable Pulses) 
Type: Screw terminal 1 (Page 307) 
Max. connectable cross-section: 1.5 mm
2
 
Tightening torque: 0.22 … 0.25 Nm 
1)
The temperature sensor type can be selected by parameter (see the SINAMICS S120/S150 List Manual).