5-60 D30 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUALPRODUCT SETUP CHAPTER 5: SETTINGS5Prefix for GGIO2Range: 0 to 11 VisibleString charactersDefault:This setting sets the LN Prefix of the Virtual Inputs Interface logical node GGIO2 that is described in the GGIO2 sectionlater. Valid characters are upper and lowercase letters, digits, and the underscore (_) character. The first character mustbe a letter. UR Setup software does not allow entry of a prefix that duplicates any other GGIO2 prefix that is used by theproduct.Prefix for GGIO4Range: 0 to 11 VisibleString charactersDefault:This setting sets the LN Prefix of the FlexAnalog operand interface logical node GGIO4 that is described in the GGIO4section later. Valid characters are upper and lowercase letters, digits, and the underscore (_) character. The firstcharacter must be a letter. UR Setup software does not allow entry of a prefix that duplicates any other GGIO4 prefixthat is used by the product.LLN0.Mod.ctlModelRange: status-only, direct-with-normal-security, sbo-with-normal-securityDefault: sbo-with-normal-securityThis setting specifies the control service that clients must use to control the TEST MODE FUNCTION of the D30. An "on"control to /LLN0.Mod changes TEST MODE FUNCTION to Disabled, an "on-blocked" control changes it toForcible, and a "test/blocked" changes it to Isolated.Configuration TypeRange: G2, E3-2.0Default: G2This setting is read only. It specifies the method used to describe GOOSE subscription configuration in SCL. See the URFamily Communications Guide for details. In the G2 mode, the CID file contains IED elements for IEDs subscribed to bythis IED containing GOOSE subscription information. In the E3 2.0 mode, the CID file has only one IED element andGOOSE subscription information is coded in data objects in the standard LGOS logical node used to monitor reception ofthe subscribed GOOSE. UR 7.30 or later accepts either mode. The set value is for the entire EnerVista installation and ispreserved between sessions. To change this global field, click File > Preferences and access the IEC 61850 panel; you donot need to be connected to the device.Logical devicesThe Logical Devices panel contains IEC 61850 settings relevant to the configurable logical devices feature, wherein logicaldevice naming can be reconfigured and logical nodes re-assigned.The path is Settings > Product Setup > Communications > IEC 61850 > Logical Devices.