PROFIBUS-DP field bus
PCD0
26/766 E2
(HB_PCD0 26 766_E2.DOC)
SAIA-Burgess Controls Ltd.
Page 175
13.8
Commissioning PROFIBUS-DP
See the Profibus-DP manual, order no. 26/765 E.
All operating manuals can be downloaded free of charge at
13.9
Diagnosis on the PROFIBUS-DP
The bus coupler provides the PROFIBUS-DP standard diagnosis in
octets* 1 to 6.
See also DIN 19245 Part 3 from page 40.
(*) In DIN 19245 a byte is called an octet. This is also the term that we use here.
Octet
Bit
Abbreviation
Description
0
non_exist
Slave does not exist (sets master)
1
station_not_ready
Slave not ready for data exchange
2
cfg_fault
Configuration data of master and slave
does not match
3
ext_diag
There are advanced diagnosis bytes
4
5
invalid_slave_response Always set to 0 by slave
6
prm_fault
Parameterizing error
1
7
master_lock
Slave parameterized by a master
0
prm_req
Slave must be re-parameterized
1
stat_diag
Static diagnosis
2
Always 1
3
wd_on
Watchdog monitoring active
4
freeze_mode
Freeze instruction active
5
sync_mode
Sync instruction active
6
Reserved
2
7
slave_deactivated
1 if slave deactivated by master
0 ... 6
Reserved
3
7
ext_diag_overflow
Diagnosis data overflow in master or
slave
Octet
Description
4
Master address
5, 6
ID