Table of Contents

GE / Auxiliary undervoltage (ANSI 27X, IEC PTUV) _ Element settings & highlights _ GU8073

Table of Contents

Overview

The “Auxiliary undervoltage” element monitors undervoltage conditions of the auxiliary voltage. It resets instantaneously. The minimum voltage setting selects the operating voltage below which the element is blocked.

For more detailed information on “Auxiliary undervoltage” element, refer to GE, Universal Relay (UR) family of products, Version 8.0x manuals.

To see other supported elements, click here.


Setting Parameters


Modbus memory map for Setting parameters

Products Hex address Register name Range Units Step Format Default
B30, C60, C95, D30, D60, F35, F60, G30, G60, L30, L60, L90, M60, T60 CBBD Auxiliary Undervoltage 1 Function 0 to 1 1 F102 0 (Disabled)
" CBBE Auxiliary Undervoltage 1 Signal Source 0 to 5 1 F167 0 (SRC 1)
" CBBF Auxiliary Undervoltage 1 Pickup 0.004 to 3 pu 0.001 F001 700
" CBC0 Auxiliary Undervoltage 1 Delay 0 to 600 s 0.01 F001 100
" CBC1 Auxiliary Undervoltage 1 Curve 0 to 1 1 F111 0 (Definite Time)
" CBC2 Auxiliary Undervoltage 1 Minimum Voltage 0 to 3 pu 0.001 F001 100
" CBC3 Auxiliary Undervoltage 1 Block 0 to 4294967295 1 F300 0
" CBC5 Auxiliary Undervoltage 1 Target 0 to 2 1 F109 0 (Self-reset)
" CBC6 Auxiliary Undervoltage 1 Events 0 to 1 1 F102 0 (Disabled)
" CBC7 Reserved (7 items) 0 to 65535 1 F001 0
" CBCE …Repeated for Auxiliary Undervoltage 2          
" CBDF …Repeated for Auxiliary Undervoltage 3          
B30 CBF0 …Repeated for Auxiliary Undervoltage 4          
" CC01 …Repeated for Auxiliary Undervoltage 5          
" CC12 …Repeated for Auxiliary Undervoltage 6          
F102 0 = Disabled, 1 = Enabled
F109 0 = Self-reset, 1 = Latched, 2 = Disabled
F111 0 = Definite Time, 1 = Inverse Time
F167 0 = SRC 1, 1 = SRC 2, 2 = SRC 3, 3 = SRC 4, 4 = SRC 5, 5 = SRC 6

Logics & highlights


Auxiliary undervoltage logic

Auxiliary undervoltage logic

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