Connecting
6.9 Assignment of terminals and connectors
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
175
Damage caused by incorrect direction of rotation of the fan
An incorrectly connected fan power supply can lead to damage to the power unit due to
insufficient cooling.
• Connect a clockwise phase sequence to the fan power supply.
• Check the direction of rotation of the fan. The fan must rotate counterclockwise when
viewed from above.
Open-loop and closed-loop control section
Table 6- 34 Terminal type, open-loop and closed-loop control section
X177, X177_5 (for option G63):
SPT 1.5 spring-loaded terminal
Connection capacity Rigid/flexible/conductor sizes (mm
2
/mm
2
/AWG): 0.2 - 1.5 / 0.2 - 1.5 / 24 - 16
Flexible with ferrule with/without plastic sleeve:
0.25 - 1.5 / 0.25 - 0.75 mm
2
X177_1, X177_2 (for option G63):
Two-tier terminal with spring-loaded terminal PK 68
Rigid / flexible 0.5 - 2.5 mm
2
Connection capacity Rigid/flexible/conductor sizes (mm
2
/mm
2
/AWG): 0.2 - 1.5 / 0.2 - 1.5 / 24 - 16
Flexible with ferrule with/without plastic sleeve: 0.25 - 1.5 / 0.25 - 0.75 mm
2
MSTB 2.5/CIF plug-in terminal
Connection capacity Rigid/flexible/conductor sizes (mm
2
/mm
2
/AWG): 0.2 - 2.5 / 0.2 - 2.5 / 24 - 12
Flexible with ferrule with/without plastic sleeve: 0.25 - 2.5 / 0.25 - 2.5 mm
2