Internal Fault Signal Output Irf - ABB RELION REX640 Technical Manual
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1MRS759142 C
3.14.2.1
REX640
Technical Manual
GUID-2DCD8174-EE3A-4857-8A72-63E6F08B79E4 V1 EN
Figure 48:
Signal outputs in BIO1001 and BIO1003 modules
Internal fault signal output IRF
The internal fault signal output (change-over/form C) IRF is a single contact included
in the power supply module of the protection relay in slot G.
Section 3
Basic functions
157
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