ABB relion REF615

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Terminal Description

X130:5 RTD1 (AI2), ground

X130:6 RTD2 (AI3), +

X130:7 RTD2 (AI3), -

X130:8 RTD2 (AI3), ground

5.2 Outputs

5.2.1 Outputs for tripping and controlling

Output contacts PO1, PO2, PO3 and PO4 are heavy-duty trip contacts capable of

controlling most circuit breakers. On delivery from the factory, the trip signals from

all the protection stages are routed to PO3 and PO4.

Table 91: Output contacts

Terminal Description

X100:6 PO1, NO

X100:7 PO1, NO

X100:8 PO2, NO

X100:9 PO2, NO

X100:15 PO3, NO (TCS resistor)

X100:16 PO3, NO

X100:17 PO3, NO

X100:18 PO3 (TCS1 input), NO

X100:19 PO3 (TCS1 input), NO

X100:20 PO4, NO (TCS resistor)

X100:21 PO4, NO

X100:22 PO4, NO

X100:23 PO4 (TCS2 input), NO

X100:24 PO4 (TCS2 input), NO

5.2.2 Outputs for signalling

SO output contacts can be used for signalling on start and tripping of the IED. On

delivery from the factory, the start and alarm signals from all the protection stages are

routed to signalling outputs.

1MRS756378 S Section 5

IED physical connections

REF615 389

Application Manual

ABB relion REF615 - Outputs