Siemens SINAMICS DCM Operating Instructions Manual page 126

Connecting
6.15 Arrangement of customer connections (connector terminals, Faston mounting tabs)
"Firing pulse transformer module"
The following parallel connections are made in each case:
The terminals with the same names on terminal strips XIMP_1, XIMP_2, and XIMP_3.
•
The terminals with the same names on terminal strips XIMP_4, XIMP_5, and XIMP_6.
•
X21A and X21PAR, X22A and X22PAR
•
Figure 6-39 Terminal/connector arrangement on the "Firing pulse transformer module"
124
SINAMICS DCM Control Module
Operating Instructions, 12/2018, A5E34888669A