Scheme Communication - ABB RET670 Product Manual

Transformer protection RET670 2.0
Product version: 2.0
IEC 61850 ANSI

Scheme communication

ECPSCH 85
ECRWPSCH 85
1) Only included for 9-2LE products
ABB
Function description
Transmission of analog data
from LDCM
Receive binary status from
remote LDCM
Scheme communication logic
for residual overcurrent
protection
Current reversal and weak-end
infeed logic for residual
overcurrent protection
Transformer
RET670
1 1 1
6/3/3 6/3/3 6/3/3
0-1 1
0-1 1
1MRK 504 141-BEN C
1 1 1
6/3/3 6/3/3 6/3/3 6/3/3
1 1 1
1 1 1
1
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