Siemens Sinamics CU240D-2 DP Operating Instructions Manual page 267

Table 8- 2
RDY
Table 8- 3
DI/DO
Table 8- 4
SAFE
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
Basic states
Explanation
Temporary state after the supply voltage is switched on.
The inverter is free of faults
Commissioning or reset to factory settings
A fault is active
Firmware update is active
Inverter waits until the power supply is switched off and switched on again after a firmware
update
Digital input and digital output
Explanation
The associated digital input or digital output has the "high" state.
The associated digital input or digital output has the "low" state.
Integrated safety functions
Explanation
One or more safety functions are enabled, but not active.
One or more safety functions are active and error-free.
The inverter has detected a safety function fault and initiated a stop response.
Alarms, faults and system messages
8.1 Operating states indicated on LED
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