GE B30 Communications Manual page 269

CHAPTER 3: IEC 61850 COMMUNICATION
The logical devices in UR family devices are arranged in a hierarchy, with the Master logical device as the root logical
device and all other implemented logical devices direct descendants. The effect of this arrangement is that the scope of
certain items in the Master logical device includes the entire hierarchy, as outlined in the following table.
Table 3-10: Master/root data objects and attributes
Name Description
Mod The controllable data object Mod controls the test mode selection of the UR device and thus affects the status of Beh
data objects and of q data attributes
configRev The configurable data attribute configRev has a scope that includes the entire UR device.
Modify this attribute whenever any logical node gets a new semantic use, for example an instance of a CSWI is now
serving a different physical switch or an instance of a logical node PDIS is now used for another zone.
Also modify this attribute whenever any data object gets a new semantic use, for example the use of ConInGGIO.Ind1
changes from "Door open" to "Fire alarm".
As it is not in general possible for the device to know that such a change has occurred, you need to revise the value of
configRev.
paramRev The configurable data attribute paramRev has a scope that includes the entire device, and thus is modified whenever
any setting in the device changes. The UR increments the value of paramRev by one whenever one or multiple setting
changes occurs in one Modbus write request by any means (front panel, Modbus, or MMS) other than by SCL file
download. Incrementing occurs whether or not the setting is represented in the information model. When a UR device
or EnerVista UR Setup accepts an SCL file, paramRev is set to the value in that SCL file. When EnerVista UR Setup
changes one or more settings, and prepares an SCL file, it increments paramRev to the next higher multiple of 10 000.
SCGB The setting group control block in the Master logical device has a scope that includes the entire device due to the UR
logical device hierarchy. That is to say, all grouped settings are controlled form this one control block.
3.5.1.1 Event recorder (EvtRcd)
See LLN0.
3.5.1.2 Logical node zero (LLN0)
LLN0 is instantiated in all UR family devices.
The following is specific to the Master logical device. LLN0 in other logical devices have different content.
Table 3-11: Logical node zero data objects
LNName: LLN0
data obj. data attribute Type
Beh ENS
stVal ENUMERATED
stVal ENUMERATED
Health ENS
stVal ENUMERATED
On SPS
stVal BOOLEAN
Off SPS
stVal BOOLEAN
Zero MV
mag AnalogueValue
mag.f FLOAT32
Mod ENC
ctlVal ENUMERATED
stVal ENUMERATED
ctlModel CtlModels
sboTimeout INT32U
sboClass SboClasses
UR FAMILY – COMMUNICATIONS GUIDE
LDevice inst: Master UR element: Nameplate information for the logical nodes
FC UR Name
ST
ST LLN0.Beh.stVal of the Master
logical device
ST LPHD1.PhyHealth.stVal
ST
ST
MX
ST
CF LLN0.Mod.ctlModel
CF
CF
MODEL IMPLEMENTATION CONFORMANCE STATEMENT (MICS)
Description
This logical device's behaviour
Only instantiated in the Master logical
device
Only instantiated in the Master logical
device
Only instantiated in the Master logical
device
Only instantiated in the Master logical
device
0.0
Only instantiated in the Master logical
device
2, the code for SBO control with normal
security according to IEC 61850-7-2.
30000
0 (operate-once)
3
R/W/C
R
R
R
R
R
R
R
R
R
R
R
R
R/Ctrl
R
R
R/C
R
R
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