WIKA D-20-9 Operating Instructions Manual page 16

6. Faults
Error coding (emergency messages)
The following tasks are only valid for error messaging which is sent via emergency messages.
In the error register, only error 1 is supported (general error).
Emergency message (EMCY) (slave sends)
Message structure
EN
ID
80h + node ID
Byte 3
Manufacturer-specific
error
Error code
00 00h
10 00h
FF 00h
Byte 3
XXXX XXX1: EPROM write error
XXXX XX1X: Unused
XXXX X1XX: Max. allowed pressure overrun
XXXX 1XXX: Min. allowed pressure overrun
16
DLC Byte 0
8 LSB; emergency error
coding
Byte 4 Byte 5
Manufacturer-specific Unused
error
WIKA operating instructions, pressure sensor, models D-20-9, D-21-9
Byte 1
MSB; emergency error
coding
Byte 6
Unused
Meaning
No error
General error
Instrument-specific error
Byte 4 Byte 5
Internal error 00h
Unused
Byte 2
Error register (1001h)
Byte 7
Unused
Byte 6 Byte 7
00h 00h
Unused Unused