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V01.00 | 2019/10
121
10.4.2
Diagnostic telegram
Channel Byte no.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
DXP
DXP diagnostics
0
ERR DXP7 -
ERR DXP5 -
ERR DXP3 -
ERR DXP1 -
1
-
-
-
-
-
-
-
-
IO-Link
Device diagnostic messages
Master diagnostics
IO-Link
port 1
0
EVT1
EVT2
PDINV
HWERR
DSERR
CFGERR
PPE
-
1
GENERR
OLV
VHIGH
VLOW
ULVE
LLVU
OTEMP
PRMERR
IO-Link
port 2
2…3
Assignment similar to IO-Link port 1
IO-Link
port 3
4…5
IO-Link
port 4
6…7
NOTE
The “process data” invalid diagnostic (PDINV) can be sent from both devices, IO-Link
master or IO-Link device.
Meaning of diagnostic Bits
Bit
Meaning
DXP diagnostics
ERR_DXPx
Overcurrent at the output (if the DXP channel is used as output)
IO-Link master diagnostics
CFGER
Wrong or missing device
The connected device does not match the channel configuration or there is no
device connected to the channel. This diagnostic message depends on the para-
meterization of the channel.
DSER
Data storage error
Possible causes:
n
Data storage mismatch:
IO-Link device in accordance with IO-Link V1.0 connected.
The data storage buffer contains data of another device.
n
Overflow of the data storage buffer
n
The connected device may be locked for parameter changes or for data stor-
age.