Connecting The Power Supply - Siemens SINUMERIK 840D sl Equipment Manual

Connecting
7.5 Power supply
Transient voltage interruptions
Additional references
Recommended power supply units and tables for calculating the current drawn for SINAMICS
S120 module lineups can be found in chapter "Control cabinet design and EMC Booksize" of the
"SINAMICS S120 Booksize power units" manual.
7.5.3

Connecting the power supply

Wiring the screw-type terminal block
The required 24 V DC load current supply is wired to screw-type terminal block X124.
Power cables
Table 7-5
Features
Connector type
Connectable cable types and conductor cross-sections
•
•
•
•
•
Stripped length
Tool
Tightening torque
Max. current carrying capacity, incl. loop-through
Max. cable length
This value must be taken into consideration for the current-carrying capacity of the power supply cable.
*)
54
Recovery time
Events per hour
Outage time
Recovery time
Events per hour
Cable specification for X124
Rigid
Flexible
Flexible, with end sleeve without plastic sleeve
Flexible, with end sleeve with plastic sleeve
AWG / kcmil
≥ 50 s
≤ 10
≤ 3 ms
≥ 10 s
≤ 10
Version
4-pin screw terminal
• 0.2 mm² to 2.5 mm²
• 0.2 mm² to 2.5 mm²
• 0.2 mm² to 2.5 mm²
• 0.2 mm² to 1.5 mm²
• 22 to 12
6-7 mm
Screwdriver 0.5 x 3 mm (M2.5)
0.4 to 0.5 Nm
20 A *) (15 A according to UL/CSA)
10 m
Equipment Manual, 10/2020, 6FC5397-1EP40-6BA1
NCU 7x0.3B PN