What it means
A07566 reports that an encoder error was signaled for encoder 2 via the PROFIdrive encoder interface: bit G2_ZSW.15 is set in the encoder status word. The alarm value in r2124 (interpret decimal) carries the error code from G2_XIST2; what the individual error codes mean is described with r0483.
The drive outputs this alarm only when p0480[1] — the signal source of the encoder control word Gn_STW — is not equal to zero, i.e. when an interconnection for the encoder control word of encoder 2 exists. Errors of the neighbouring encoder interfaces are reported under their own codes (A07565 for interface 1, A07567 for interface 3).
Depending on the drive's configuration, the same condition can also be issued as a fault (F) or as a message with no reaction (N).
Why it appears
- An encoder error was signaled for encoder 2 via the PROFIdrive encoder interface — bit G2_ZSW.15 in the encoder status word.
- The alarm value in r2124 (interpret decimal) contains the error code from G2_XIST2; the individual error codes are described with r0483.
What to check
- Read the alarm value in r2124 and interpret it decimal — it contains the error code that encoder 2 transmitted via G2_XIST2.
- Look up the individual error code in the description of r0483 (CO: Encoder actual position value Gn_XIST2) to determine what encoder 2 is signaling.
- Check the encoder status word Gn_ZSW in r0481[0...2] (n = encoder 1, 2, 3) — the error for encoder 2 is signaled there as bit G2_ZSW.15.
Reading the message value
- The message value %1 is the alarm value in r2124, interpret decimal.
- r2124 contains the error code from G2_XIST2 that encoder 2 signaled via the PROFIdrive encoder interface.
- The manual does not decode this value bit by bit; the individual error codes are explained in the description of r0483.
Parameters the manual names
- r2124 — read the alarm value here and interpret it decimal; for this message it holds the error code from G2_XIST2.
- r0483 — CO: Encoder actual position value Gn_XIST2; its description explains the individual error codes that r2124 shows for this message.
- p0480 — CI: Encoder control word Gn_STW signal source; the alarm is only output when p0480[1] is not equal to zero, and the acknowledgment bit G2_STW.15 reaches the drive through this interconnection.
- r0481 — CO: Encoder status word Gn_ZSW (r0481[0...2], n = encoder 1, 2, 3); the error for encoder 2 is signaled here as bit G2_ZSW.15.
Acknowledging and restarting
The remedy is a single step: Acknowledge the encoder error using the encoder control word (G2_STW.15 = 1).
The signal source of the encoder control word Gn_STW is interconnected in p0480[0...2] (n = encoder 1, 2, 3), so the acknowledgment bit for encoder 2 reaches the drive through the interconnection entered there.
The same on every family
Every manual that describes A07566 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) | Sensor Module Encoder 2 | SINAMICS S120, S150 List Manual · p. 2848 |
| G130, G150 | NONE | NONE | Actual position/speed value incorrect or not available (11) | Sensor Module Encoder 2 | SINAMICS G130, G150 List Manual · p. 1582 |
The drives this code lives on
A07566 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 A07566 mean on a SINAMICS drive?
Encoder 2 has reported an error to the drive over the PROFIdrive encoder interface — bit G2_ZSW.15 is set in the encoder status word. The error code itself is in r2124 (interpret decimal) and is explained with r0483.
How do I acknowledge A07566?
Set bit G2_STW.15 in the encoder control word to 1; the signal source of that control word is interconnected in p0480. This is how the encoder error is acknowledged on the PROFIdrive encoder interface.
Where is the alarm value of A07566 decoded?
Nowhere in the message itself: r2124 only carries the error code from G2_XIST2, and the manual describes the individual codes in the chapter on r0483.
When is A07566 output at all?
Only when p0480[1], the signal source of the encoder control word for encoder 2, is not equal to zero. Without that interconnection the drive does not output this alarm.
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 A07xxx group · SINAMICS manuals · Siemens manuals