ABB Relion 670 Series Technical Reference Manual page 698

Section 12
Control
692
Interlocking
modules in
other bays
Interlocking
module
ANSI04000526 V1 EN
Figure 353: Interlocking module on bay level
Bays communicate via the station bus and can convey information regarding the
following:
• Ungrounded busbars
• Busbars connected together
• Other bays connected to a busbar
• Received data from other bays is valid
Figure 354 illustrates the data exchange principle.
Apparatus control
modules
SCILO SCSWI
SXSWI
Apparatus control
modules
SCILO SCSWI SXCBR
Apparatus control
modules
SCILO SCSWI
SXSWI
en04000526_ansi.vsd
1MRK505222-UUS C
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Technical reference manual