Virtual Analog Outputs; Shared Operands - GE D90 Plus Instruction Manual

Line distance protection system

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CHAPTER 8: AUTOMATION

Virtual analog outputs

LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL

Figure 399: Trip seal-in scheme settings

There are 128 virtual analog outputs that may be assigned via automation logic. Virtual

analog outputs are resolved in each pass through the evaluation of the automation logic

Select the Settings > Automation > Automation Inputs/Outputs > Virtual Analogs menu

item to access the virtual analog output configuration settings.

Figure 400: Virtual analog output configuration settings

The settings for virtual analog output 1 are shown below. The settings are identical for all

virtual analog outputs.

Virtual Analog 1 Name

Range: up to 12 alphanumeric characters

Default: Analog 1

This setting specifies an identifier for virtual analog output 1. This value will be included

in the actual values and will also be used to reference output to features designed to

measure this of parameter.

The EnerVista UR

Setup software groups the D90

primary functions. Each function has its own setting parameters and each generates its

own outputs in the form of operands.

Communications.

AUTOMATION INPUTS AND OUTPUTS

system into the following seven