GE B90 Instruction Manual

Also see for B90: Communications manual Communications guide Instruction manual Instruction manual Instruction manual

Contents

CHAPTER 5: SETTINGS PRODUCT SETUPB90 LOW IMPEDANCE BUS DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL 5-615inst name must form an LDName that is unique within the network for proper operation. It is recommended that thelength of the IED NAME plus the length of this setting be not greater than 64 to respect the requirements of IEC 61850 72:2010 22.2 for LDName.The factory default configuration is for six logical devices with Product LD inst name settings and logical nodeassignments as per the following table.Table 5-10: Factory default logical nodesFunctional ldNameRange: 0 to 64 VisibleString charactersDefault: empty stringEach logical device has this setting. The value is configurable in all logical devices. Valid characters are upper andlowercase letters, digits, and the underscore (_) character. If the number of characters entered is greater than zero, thesetting sets the value of the function-related name used in communications. If an ldName is entered, it must form anLDName that is unique within the network for proper operation. The standard recommends choosing this nameaccording to IEC 81346-1. If the number of characters entered is zero, no function-related name is defined.configRevRange: 0 to 255 ASCII charactersDefault:This data attribute is provided by the protocol to declare changes to the semantic of the data model of the UR. The intentis that the user changes Master configRev each time that the semantic or data model changes, so that clients canreadily detect the change. A semantic change is a logical node getting a new semantic use; for example, an instance oflogical node CSWI is now serving a different physical switch, or an instance of a logical node PDIS is now used foranother zone. A data model change is a change in the presence of logical nodes, data objects, data attributes, orinstance names.The scope of Maser configRev is the entire relay configuration, as the Master logical device is the root logical device.Similar settings are provided for the other logical nodes; the scope of these other configRev settings is limited to thecorresponding logical device configuration.paramRevRange: -2,147,483,648 to 2,147,483,647Default: 0The configurable data attribute paramRev has a scope that includes the entire device, and thus is modified wheneverany setting in the device changes. The UR increments the value of paramRev by one whenever one or multiple settingchanges occurs in one Modbus write request by any means (front panel, Modbus, or MMS) other than by SCL fileDefault logicaldevice inst nameContains logical nodes modeling...Master(root logical device;name is fixed)communications, including GOOSE, reports, Remote I/O, Virtual Inputs, Modbus, DNP, and so on.Setting group control.This is the root logical device.To comply with IEC 61850 7 1 Ed2 clause 6.4.5.1, all group L logical nodes (logical nodes with class namesbegin with "L"), except LLN0, belonging to this IED are in this logical device.Protection (Prot) protection functionsControl (Ctrl) control and monitoring functionsSystem power system devices: breakers, switches, CTs, VTs, and so on, including interface to these such as AC inputs,contact I/O, transducer I/O, HardFiber I/OMetering (Meter) metering and measurement, including Signal SourcesGeneral (Gen) FlexLogic, virtual outputs, non-volatile latches, FlexElements, FlexMath, recording (for example oscillography),security, front panel, clockThroughout the remainder of this IEC 61850 section, is a syntactic variable representing the presentLDName of the master logical device. In other contexts LDName can refer to some other logical device. Dependingon its context, can be a product-related name or a function-related name.