Siemens SINAMICS G120 Operating Instructions Manual page 120

Installing
4.5 Connecting the interfaces for the inverter control
Default setting 20: "3-wire (enable/on/reverse)"
DO 0: p0730, DO 1:
p0731
Speed setpoint (main setpoint): p1070[0] = 755[0]
Designation in the BOP-2: 3-wIrE 2
Default setting 21: "USS fieldbus"
DO 0: p0730, DO 1: p0731
Speed setpoint (main setpoint): p1070[0] = 2050[1]
Designation in the BOP-2: FB USS
120
AO 0: p0771[0], DI 0: r0722.0, ..., DI 4: r0722.4
AO 1: p0771[1]
AO 0: p0771[0], AO 1: p0771[1]
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257946B AE
AI 0: r0755[0]
DI 2: r0722.2
Converter with the CU230P-2 Control Units