What it means
With A32463 the drive reports that the position value of the analog sensor on Encoder 2 has left the permissible range of -0.5 ... +0.5. The drive writes an alarm value into r2124 that tells you which position value is affected. Depending on the drive's configuration, the same condition can also be signalled as a message with no reaction (N).
Why it appears
- The position value of the analog sensor on Encoder 2 has exceeded the permissible range of -0.5 ... +0.5. The manual distinguishes only between the two sources of this value (LVDT sensor or encoder characteristic, see the alarm value in r2124); it names no further causes.
What to check
- Read the alarm value in r2124, interpreting it as a decimal number, to determine which position value is out of range: 1 = position value from the LVDT sensor, 2 = position value from the encoder characteristic.
- For alarm value = 1: check the LVDT ratio (p4678).
- For alarm value = 1: check the reference signal connection at track B.
- For alarm value = 2: check the coefficients of the characteristic (p4663 ... p4666).
Reading the message value
- The drive places the alarm value in r2124; interpret it as a decimal number.
- 1: Position value from the LVDT sensor.
- 2: Position value from the encoder characteristic.
Parameters the manual names
- r2124 — alarm value: read it as a decimal number to see whether the out-of-range position value came from the LVDT sensor (1) or from the encoder characteristic (2).
- p4678 — analog sensor LVDT ratio: check it when the alarm value is 1.
- p4663 — encoder characteristic K0: first of the coefficients of the characteristic to check when the alarm value is 2 (p4663 ... p4666).
- p4666 — encoder characteristic K3: last of the coefficients of the characteristic to check when the alarm value is 2 (p4663 ... p4666).
Acknowledging and restarting
This alarm needs no acknowledgement, and the drive does not respond to it with any protective action; the same applies when the configuration signals the condition as a message with no reaction (N). The work lies in bringing the position value back into the range -0.5 ... +0.5 using the checks above.
The same on every family
Every manual that describes A32463 gives it the same reaction, acknowledgement and message class.
| Drive family | Reaction | Acknowledge | Message class | Component | Manual |
|---|---|---|---|---|---|
| S120, S150 | NONE | NONE | Actual position/speed value incorrect or not available (11) | Encoder 2 | SINAMICS S120, S150 List Manual · p. 3112 |
| G130, G150 | NONE | NONE | Actual position/speed value incorrect or not available (11) | Encoder 2 | SINAMICS G130, G150 List Manual · p. 1789 |
The drives this code lives on
A32463 is described for G130, G150, S120, S150. These are the converters of those families in our catalogue — price on request.
Questions technicians ask
What does alarm A32463 on a SINAMICS drive mean?
The position value of the analog sensor on Encoder 2 has exceeded the permissible range of -0.5 ... +0.5. The alarm value in r2124 shows which position value is affected.
Does A32463 have to be acknowledged?
No. The drive takes no protective reaction and the alarm requires no acknowledgement; the same applies to the variant signalled with no reaction (N).
What do alarm value 1 and alarm value 2 mean for A32463?
An alarm value of 1 in r2124 (interpreted as decimal) means the position value from the LVDT sensor; 2 means the position value from the encoder characteristic.
Which parameters are relevant to A32463?
For alarm value 1, check the LVDT ratio p4678 and the reference signal connection at track B. For alarm value 2, check the characteristic coefficients p4663 ... p4666; r2124 holds the alarm value itself.
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 A32xxx group · SINAMICS manuals · Siemens manuals