Configuring
4-26 Application Module FM 458-1 DP - User Manual
A5E01078222-02 Edition 03.2009
Bit 8 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1
Status 1
(ST1)
S: Slave
was
para-
meterize
d from
another
master
S:
Last
paramet
er
telegram
was
erroneou
s
M:
Erroneous
slave
response
S:
Reques-
ted func-
tion is not
supported
S:
Diagnos-
tics entry
in the
specific
diagnos-
tics area
S:
Config.
data don't
match
S:
Slave still
not ready
for data
transfer
M:
Slave
cannot be
addressed
on the bus
Status 2
(ST2)
M: Slave
entered
as ”not
active”
(not
used)
S:
Slave has
received a
Sync
command
S:
Slave has
received
the
Freeze
command
S:
Response
moni-
toring
activated
S: 1
(fixed)
S:
Diagnos-
tic data
must be
retrieved
S:
Parameteri
zation and
configuring
required
Status 3
(ST3)
S/M: Not
all dia-
gnostics
data can
be trans-
ferred
- - - - - - -
Table 4-7 Significance of the individual bits, status 1, 2 and 3
M: Master identifies diagnostics data
S: Slave identifies diagnostics data
Master PROFIBUS address (MPA)
PROFIBUS address of the master which had parameterized this
slave.
If this slave is not parameterized, then FFh is used.
Identification number (ID)
ID to identify the slave type
All additional diagnostic data are slave-specific.
Generally (standard DP slave) the diagnostic blocks follow:
Device-related, identification-related and channel-related diagnostics. Not
all slave-specific diagnostic blocks must be available.
Each block is preceded by a header byte. The diagnostics block is
identified by bit 7 and bit 8:
Bits, status 1, 2
and 3