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Section 3
Interbay bus functions
Table 3:
Setting
CAA
LLA
3.3
Configuring IEC 60870-5-103 IBB
For changes in status generated by REB500 to be transferred as events to an SCS/SMS, the
corresponding signals must be configured by selecting them in HMI500 Configuration /Binary
module and making the settings in the Event configuration section of the Details dialog box.
To which IBB an event is sent is determined by selecting the appropriate check box IBB 1 or IBB
2 when configuring the signal.
As the 61850 model is implemented as defined by the standard, no custom assignments can
be made for the IBB associated with 61850.
IEC18000608 V1 EN-US
Figure 4:
Diagnostic and system events are always available for transfer whichever protocol is in use
and cannot be configured.
The IEC 60870-5-103 section only appears when the protocol is configured.
3.4
Transfer of differential current values
3.4.1
The delta/dead band algorithm
To keep the load on the IBB as low as possible, the bus zone differential currents are checked
cyclically, but only actually transferred via the bus if the value has changed.
10
Configuration of IEC 870-5-103
Description
Individual Common Address of ASDU for
each Bay Unit
Individual Link Address for each Bay Unit
Configuring signals as events
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Default setting
0
Central Unit
1-60
Bay Units
0
Central Unit
1-60
Bay Units
GUID-605B1ACD-79EB-4C0A-8839-331FD573E41B v1
13000024-IEC18000608-1-en.vsdx
GUID-85BE2C1A-DD67-4564-99E1-CF504CBD06D7 v1
Distributed busbar protection REB500
Communication protocol manual IEC 60870-5-103
1MRK 511 451-UEN Rev. C
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