V01.00 | 2019/10
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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.
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