Connection - Siemens SINUMERIK 840D sl Equipment Manual

Connectable components
9.1 NX10.3 / NX15.3
9.1.4

Connection

Power supply X124
Table 9-2
Note
The two "+" and "M" terminals are jumpered in the connector and not in the device. This ensures
that the supply voltage is looped through.
The current consumption increases by the current consumption of DRIVE-CLiQ and the digital
outputs.
When using external power supplies (e.g. SITOP), the ground potential must be connected with
the protective ground terminal (PELV).
Table 9-3
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
94
Pin assignment for X124
Pin
+
+
M
M
Cable specification for X124
Rigid
Flexible
Flexible, with end sleeve without plastic sleeve
Flexible, with end sleeve with plastic sleeve
AWG / kcmil
Function
24 V DC power supply (20.4 V - 28.8 V)
Ground
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