ABB REU 513 User Manual page 51

Combined overvoltaqge and undervoltage relay
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ABB Substation Automation
Products and Systems
1MRS750886-MUM
User's Guide
Table 32: Auxiliary supply voltage
Terminal
X2.1-1
X2.1-2
Table 33: Output contacts
Terminal
X2.1-3
X2.1-4
X2.1-5
X2.1-6
X2.1-7
X2.1-8
X2.1-9
X2.1-10
X2.1-11
X2.1-12
Table 34: Internal Relay Fault contact (IRF)
Terminal
X2.1-13
X2.1-14
X2.1-15
Table 35: Binary input BI
Terminal
X2.1-17
X2.1-18
Function
Input+
Input-
Function
PO1, closing contact
PO2, closing contact
SO1, common
SO1, NC
SO1, NO
SO2, common
SO2, NC
SO2, NO
Function
Internal relay fault, common
Closed; IRF, or U
disconnected
aux
Closed; no IRF, and U
connected
aux
Function
Input+
Input-
REU 513
51

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