Siemens SIMATIC S5 Manual page 74

Start-Up, Tests, and Diagnostics
The status information may be contained in byte 8 of the confirmation block as shown in
Figure 3-12.
7 6 5 4 3
0 0 0 0 1
0 0 0 0 0
0 0 0 0 0
0 0 0 0 0
Calling Up FB222 and Storing the Data with FMA Service FDL_STATUS
OB1
. .
0008 : L
0009 : T
000A : JU
000B NAME: AG95/FMA
000C REQ: F 1.0
000D CODE: FW 2
000E CONF: F 1.1
0010 INDI: F 1.2
0011 FEHL: F 1.3
. .
. .
0030 : BE
DB200
6: KH = 2200;
7: KY = 000,000;
8: KY = 002,000;
9: KH = 0100;
10: KH = 2200;
11: KY = 000,000;
12: KY = 002,000;
13: KM = 00001000 00000000;
14: KM = ....
3-20
2 1 0
0 0 0 8 = remote station is passive
H
0 0 1 1 = no acknowledgement from remote station
H
0 1 0 2 = remote, active station ready to be connected
H
1 0 0
4 = remote, active station is connected
H
Figure 3-13. Status Byte of FDL_STATUS
Load address of target station (here: TLN 2) and
KH 0222
service_code in ACCUM and transfer to flag word FW2
FW 2
(see section 3.4.4)
FB 222
If FMA service is requested, bit must be set.
Enter type of service requested (here: 22
FB222 message: confirmation was received
irrelevant
FB222 message: error occurred in PAFE or STB
****REQUEST block****
service_code / irrelevant
irrelevant / irrelevant
address of target station (here: 2) / irrelevant
****CONFIRMATION****
com_class / user_id
service_code / link_status
irrelevant / irrelevant
address of target station (here: 2) / irrelevant
status of remote station (here: station 2 is passive) /
....
S5-95U, SINEC L2
Explanation
)
H
Explanation
EWA 4NEB 812 6112-02
...