Error reg‐
ister
Error
bit
Product
compati‐
bility
Notifica‐
tion
Severity Persis‐
tence p-
perma‐
nent, np-
not perma‐
nent)
Description Required error handling
ENC_ST2
(adr. 42h)
6 All Internal
System
Error
Critical p After startup, an internal elec‐
tronic error was identified.
(Encoder initialization time‐
out; FW CRC error; internal
transmission faults (SPI) of
safety-relevant parameters).
Potential cause(s): uC faults,
hardware faults; EMC noise
injection
The drive system must be
placed in a safe condition.
Action: SW-reset of the
encoder
5 All Internal
Commu‐
nication
Error 2
Minor np During startup an internal
communication error has
occurred (I²C).
No action required.
If error persists, potential
EEPROM hardware failures
are present.
4 All Internal
Commu‐
nication
Error 1
Minor np During or after startup an
internal communication error
has occurred (SPI).
No action required.
Encoder recovers automati‐
cally.
If error persists, potential
hardware failures are
present.
3 All Standard
Parame‐
ter Error
Critical p There were errors in the inter‐
nal encoder EEPROM parame‐
ter or diagnosis that could not
be rectified.
The drive system must be
placed in a safe condition.
Action: SW-reset of the
encoder
2 All Safety
Parame‐
ter Error
Critical p The drive system must be
placed in a safe condition.
Action: SW-reset of the
encoder
If error persists, potential
EEPROM hardware failures
are present. Encoder
replacement is required!
1 All Safety
Parame‐
ter Warn‐
ing
Minor np There were errors found in the
safety parameters, which
were rectified.
No action required.
0 All Power-on
Self-test
Con‐
ducted
Critical np Only for safety encoders.
Mandatory to read this bit at
startup for all safety
encoders.
Action: successful clearing
is required.
If this indication persists
(bit is set), it is likely that
the encoder was again
resetted. Check connection
or supply of the encoder.
Before the successful
clearing of this indication,
no other ENC_ST informa‐
tion can be relied upon!
CENTRAL FUNCTIONS 7
8017595/ZTW6/2018-01-15 | SICK T E C H N I C A L I N F O R M A T I O N | HIPERFACE DSL
®
81
Subject to change without notice
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