Siemens SINAMICS S120 Equipment Manual page 56

Line Modules Booksize
3.2 Active line modules booksize internal air cooling
EP terminals X21
Table 3-3 Terminal block X21
Terminal
1
2
3
4
Max. connectable cross-section: 1.5 mm
Type: Screw terminal 1 (see Connection methods)
Note
For operation, 24 V DC must be connected to terminal 3 and ground to terminal 4. Upon
removal, pulse inhibit is activated.
If the line module is not disconnected from the network, the DC link remains charged (e.g. a
main contactor is not installed).
X24 24 V terminal adapter
Table 3-4 Terminal block X24
Terminal
+
M (GND)
The 24 V terminal adapter is supplied as standard
Max. connectable cross-section: 6 mm
Type: Screw terminal 5 (see Connection methods)
3-8
Designation
Reserved, do not use
Reserved, do not use
EP +24 V (Enable Pulses)
EP M (Enable Pulses)
2
Designation
24 V power supply
Ground
2
Technical specifications
Voltage 24 V DC
Current consumption: 10 mA
Signal propagation times:
L → H: 100 μs
H → L: 1000 μs
Technical specifications
24 V DC supply voltage
Electronic ground
Equipment Manual, (GH2), 04.2004 Edition, 6SL3097-2AC00-0BP0
Booksize Power Sections