Siemens SINUMERIK 828D PPU Series Manual page 62

Rules for permitted topologies
5.4 Topology example without Safety Integrated functions
Topology with SINAMICS S120 chassis and SINAMICS S120 booksize and eight axes
Figure 5-6 DRIVE-CLiQ wiring with NX
PPU
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Manual, 01/2014, 6FC5397-2DP40-3BA3