ABB Relion 670 Series Communication Protocol Manual page 23

1MRK 511 396-UEN E
When communicating between the local HMI and a PC, the only hardware required is a front-
connection cable.
SPA, 670 series
Communication protocol manual
SPA cannot be accessed via PCM600.
SPA can be accessed via LHMI front only when using the Field Service Tool
Access (FSTACCS).
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Section 3
SPA operation principle
17