Siemens SINAMICS G120 Compact Operating Instructions - Page 11

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Additional options for wiring the digital inputs

Connecting P-switching contacts with an external

Connecting M-switching contacts with an external

Factory setting of the terminal strip on the CU240B-2

The factory setting of the terminals depends on whether the Control Unit has a PROFIBUS /

PROFINET interface.

Control Units with USS interface

The fieldbus interface is not active.

--- No function.

DO 0: p0730

Speed setpoint (main setpoint): p1070[0] = 755[0]

Figure 3-2

Factory settings of the CU240B-2 Control Unit

CU240B-2 and CU240E-2 Control Units

Compact Operating Instructions, 04/2015, A5E35792002B AA

power supply

AO 0: p0771[0]

3.3 Terminal strips on CU240B-2 Control Units

You must remove the jumper between

terminals 28 and 69 if it is necessary to

have electrical isolation between the

external power supply and the internal

inverter power supply.

It is not permissible that terminals 28 and

69 are connected with one another.

DI x: r0722.x

Installing

AI 0: r0755[0]