What it means
F01122 reports that the frequency of the pulses arriving at a measuring probe input of the drive is too high. The manuals describe the code for the S120, S150, G130, G150 and G120, where the fault value identifies the affected digital input; the G115D and G120C fault tables list the code with the same meaning but without this decoding. Depending on the drive configuration, the same condition can also be signalled as an alarm (A).
Why it appears
- The frequency of the pulses applied to the measuring probe input is too high. This is the one cause the manuals state for every drive object; the message value then tells you which input is concerned.
What to check
- Read the fault value in r0949 as a decimal number and use the decoding below to identify the affected measuring probe input.
- Reduce the frequency of the pulses at the measuring probe input.
Reading the message value
The manuals print the message value as %1: it is the fault value that the drive also stores in r0949, to be interpreted as a decimal number. Each value names the input whose pulse frequency is too high. For the S120/S150 and G130/G150 the decoding is:
- 1: DI/DO 9 (X122.8)
- 2: DI/DO 10 (X122.10)
- 4: DI/DO 11 (X122.11)
- 8: DI/DO 13 (X132.8)
- 16: DI/DO 14 (X132.10)
- 32: DI/DO 15 (X132.11)
- 64: DI/DO 8 (X122.7)
- 128: DI/DO 12 (X132.7)
For the drive objects CU_NX_CX, SERVO_AC and VECTOR_AC the S120/S150 manual lists only a reduced decoding:
- 1: DI/DO 9 (X122.8)
- 2: DI/DO 10 (X122.10)
- 4: DI/DO 11 (X122.11)
- 64: DI/DO 8 (X122.7)
On the G120 the fault value decodes as:
- 1: DI 1 (term. 6)
- 2: DI 3 (term. 8)
Parameters the manual names
- r0949 — fault value of this message; read it as a decimal number to find out which measuring probe input has the too-high pulse frequency.
Acknowledging and restarting
Acknowledge the fault to clear it. If the drive signals the same condition only as an alarm (A), neither a reaction nor an acknowledgement follows.
What differs between the drive families
Straight from the manuals' own fields — F01122 is not described identically everywhere.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| S120, S150 | OFF1 (OFF2) | IMMEDIATELY | Application/technological function faulted (17) | None | SINAMICS S120, S150 List Manual · p. 2580 |
| G130, G150 | OFF1 (OFF2) | IMMEDIATELY | Application/technological function faulted (17) | None | SINAMICS G130, G150 List Manual · p. 1392 |
| S120, S150 | OFF1 (OFF2) | IMMEDIATELY | Application/technological function faulted (17) | None | SINAMICS S120, S150 List Manual · p. 2580 |
| G120 | OFF1 (OFF2) | IMMEDIATELY | Application/technological function faulted (17) | — | SINAMICS G120 · p. 831 |
| G115D | — | — | — | — | SINAMICS G115D distributed drive · p. 392 |
| G120C | — | — | — | — | SINAMICS G120C Converters · p. 382 |
The drives this code lives on
F01122 is described for G115D, G120, G120C, G130, G150, S120, S150. These are the converters of those families in our catalogue — price on request.
Questions technicians ask
What does fault F01122 mean in SINAMICS?
The drive reports that the frequency of the pulses at the measuring probe input is too high. The fault value in r0949, read as a decimal number, shows which digital input is affected.
How do I clear F01122?
Reduce the frequency of the pulses at the measuring probe input and then acknowledge the fault. When the condition is signalled only as an alarm (A), no acknowledgement is required.
Which input triggers F01122 on a G120?
Fault value 1 means DI 1 (term. 6) and fault value 2 means DI 3 (term. 8). Read the value in r0949 as a decimal number.
Can F01122 also appear as an alarm?
Yes, the same condition can also be issued as an alarm (A) depending on the drive configuration. In that case no reaction follows and no acknowledgement is needed.
Codes next to this one
Source
Written from Siemens' own List Manuals and operating instructions; every number, designation and parameter on this page is checked against them before publication.
All SINAMICS codes: fault and alarm codes · the F01xxx group · SINAMICS manuals · Siemens manuals