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Data Mapping
3.1.2.9
Transmitted Telegrams vs. Network Type and I/O Module Assembly
Depending on the selected Network type (ref. to Figure 3-1), the parameters to the
transmisson of the harmonics (see chapter 2.1.2) and the assembled I/O modules
either all or only a selected number of the above descriped telegrams are sent to the
IEC 60870-5-103 master on request of class 2 data.
For an association of the measured quantities to the selected Network type please
refer to Table 3-1 in the SIMEAS P50 Device Manual (refer to page 3 for the order
number of this document).
Compatible
Measurands II
Private Measurands
1-phase additional
Private Measurands
3-phase, first additional
Private Measurands
3-phase, second additional
Private Measurands
1-phase additional (with
harmonics if parameter)
Private Measurands
3-phase, first additional
(with harmonics if parame-
ter)
Private Measurands
Analog Inputs
Private Measurands
Analog Outputs
1 The values for 3N as well as for phases L
able for this Network type are indicated as invalid.
Table 3-3
Transmitted telegrams vs. Network type and I/O module assembly
The telegrams are transferred sequentially, i.e. every time the IEC 60870-5-103 mas-
ter requests class 2 data, the IEC 60870-5-103 slave sends the next following tele-
gram in the order shown in Table 3-3.
When the last additional measurands telegram was sent, it starts with "Compatible
Measurands II" again.
The IEC 60870-5-103 master can request
• only one telegram or
• a part of the telegrams or
• all telegrams
supported according to the Network type from one device and then change to the
next device.
34
Three-wire
Single-phase
tree-phase
network
balanced
1
X
X
X
-
-
X
-
-
X
X
-
-
X
X
X
X
and L
in the Compatible Measurands telegram which are not avail-
2
3
Network Type
Three-wire
Three-wire
three-phase
three-phase
unbalanced 3I
unbalanced 2I
X
X
-
-
X
X
-
-
X
X
X
X
X
X
X
X
Power Meter, SIMEAS P 7KG7750/55, Manual
E50417-B1076-C375-A3, Release 01.2009
Four-wire
Four-wire
three-phase
three-phase
balanced
unbalanced
X
X
-
X
X
X
-
X
X
X
-
X
X
X
X
X
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