In addition there is a setting on each event block for function type. Refer to description of
the Main Function type set on the local HMI.
Commands
As for the commands defined in the protocol there is a dedicated function block with eight
output signals. Use PCM600 to configure these signals. To realize the
BlockOfInformation command, which is operated from the local HMI, the output
BLKINFO on the IEC command function block ICOM has to be connected to an input on
an event function block. This input must have the information number 20 (monitor
direction blocked) according to the standard.
Disturbance Recordings
For each input of the Disturbance recorder function there is a setting for the information
number of the connected signal. The function type and the information number can be set
to any value between 0 and 255. To get INF and FUN for the recorded binary signals, there
are parameters on the disturbance recorder for each input. The user must set these
parameters to whatever he connects to the corresponding input.
Refer to description of Main Function type set on the local HMI.
Recorded analog channels are sent with ASDU26 and ASDU31. One information element
in these ASDUs is called ACC, and it indicates the actual channel to be processed. The
channels on disturbance recorder are sent with an ACC as shown in Table 60.
Table 60: Channels on disturbance recorder sent with a given ACC
DRA#-Input
ACC IEC103 meaning
1 1 IA
2 2 IB
3 3 IC
4 4 IG
5 5 VA
6 6 VB
7 7 VC
8 8 VG
9 64 Private range
10 65 Private range
11 66 Private range
12 67 Private range
13 68 Private range
14 69 Private range
15 70 Private range
16 71 Private range
Table continues on next page
1MRK 506 369-UUS - Section 21
Station communication
Line distance protection REL670 2.2 ANSI 879
Application manual
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