Stw1 Control Word Interconnection - Siemens SINAMICS G120 Manual

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Signal targets for fieldbus STW1 (p0700 = 6)

= ON (pulses can be enabled)

0 = OFF1 (braking with ramp-function generator, then pulse cancellation & ready for switching on)

1 = No OFF2 (enable is possible)

0 = OFF2 (immediate pulse suppression and switching on inhibited)

1 = No OFF3 (enable is possible)

0 = OFF3 (braking with the OFF3 ramp p1135, then pulse suppression and switching on inhibited)

1 = Enable operation (pulses can be enabled)

0 = Inhibit operation (cancel pulses)

1 = Operating condition (the ramp-function generator can be enabled)

0 = Inhibit ramp-function generator (set the ramp-function generator output to zero)

1 = Enable the ramp-function generator

0 = Stop the ramp-function generator (freeze the ramp-function generator output)

1 = Enable setpoint

0 = Inhibit setpoint (set the ramp-function generator input to zero)

= Acknowledge faults

1 = Control via PLC

1 = Dir of rot reversal

1 = Motorized potentiometer, setpoint, raise

1 = Motorized potentiometer, setpoint, lower

Bit 10 in STW1 must be set to ensure that the drive accepts the process data.

Fieldbus Interface (USS, Modbus, BACnet on RS485)