Technical data

Value of
link_status
Abbreviation
PROFIBUS
Meaning
SDA
00
H
01
H
02
H
03
H
11
H
12
H
OK
UE
RR
RS
NA
DS
Positive-acknowledgment, service executed.
Negative-acknowledgment, remote user/FDL interface error.
Negative-acknowledgment, resources of remote FDL
controller not available.
Service or rem_add on remote SAP not activated.
No reaction (Ack./Res.) from remote station.
Local FDL/PHY not in logical ring or disconnected from the
bus.
SDN
00
H
12
H
OK
DS
Positive acknowledgment, transmission of data from local
FDL/PHY controller completed.
Local FDL/PHY not in logical token ring or disconnected
from the bus.
SRD
08
H
0A
H
01
H
02
H
03
H
09
H
0C
H
0D
H
11
H
12
H
DL
DH
UE
RR
RS
NR
RDL
RDH
NA
DS
Positive acknowledgment, reply data low exist.
Positive acknowledgment, reply data high exist .
Negative acknowledgment, remote user/FDL interface error.
Negative acknowledgment, resources of the remote FDL
controller not available.
Service or rem_add on remote SAP not activated.
Negative acknowledgment, resources of the remote FDL
controller not available.
Reply data (low) exist but negative acknowledgment of
transmitted data 09
H
(NR).
Reply data (high) exist but negative acknowledgment of
transmitted data, 09
H
(NR).
No reaction (Ack./Res.) from remote station.
Local FDL/PHY not in the logical ring or disconnected from
the bus.
REPLY_UPDATE_SINGLE/REPLY_UPDATE_MULTIPLE
00
H
12
H
OK
LR
Positive acknowledgment, data area loaded.
Response resource being used by MAC.
SDA/SDN/SRD/REPLY_UPDATE_SINGLE/REPLY_UPDATE_MULTIPLE
10
H
15
H
LS
IV
Service not activated on local SAP.
Invalid parameter in request header.
Table 17.11 Meaning of the Values in byte 3 (link_status) in the Confirmation Header
B8976060/02 Appendix
17 - 23 Volume 1