Start-Up, Tests, and Diagnostics S5-95U, SINEC L2
The status information may be contained in byte 8 of the confirmation block as shown in
Figure 3-12.
Figure 3-13. Status Byte of FDL_STATUS
8
H
= remote station is passive
1
H
= no acknowledgement from remote station
2
H
= remote, active station ready to be connected
4
H
= remote, active station is connected
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0 0 0 0 0 0 1 0
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76543210
00000100
Calling Up FB222 and Storing the Data with FMA Service FDL_STATUS
OB1 Explanation
. .
0008 : L KH 0222 Load address of target station (here: TLN 2) and
0009 : T FW 2 service_code in ACCUM and transfer to flag word FW2
000A : JU FB 222 (see section 3.4.4)
000B NAME: AG95/FMA
000C REQ: F 1.0
If FMA service is requested, bit must be set.
000D CODE: FW 2 Enter type of service requested (here: 22
H
)
000E CONF: F 1.1 FB222 message: confirmation was received
0010 INDI: F 1.2 irrelevant
0011 FEHL: F 1.3 FB222 message: error occurred in PAFE or STB
. .
. .
0030 : BE
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DB200 Explanation
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****REQUEST block****
6: KH = 2200;
service_code / irrelevant
7: KY = 000,000; irrelevant / irrelevant
8: KY = 002,000; address of target station (here: 2) / irrelevant
****CONFIRMATION****
9: KH = 0100; com_class / user_id
10: KH = 2200; service_code / link_status
11: KY = 000,000; irrelevant / irrelevant
12: KY = 002,000; address of target station (here: 2) / irrelevant
13: KM = 00001000 00000000; status of remote station (here: station 2 is passive) / ...
14: KM = .... ....
3-20
EWA 4NEB 812 6112-02
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