13 x3: lnk, x3: trf, x4: lnk, x4: trf, X3: lnk, x3: trf, x4: lnk, x4: trf – Pilz PSSu H PLC1 FS SN SD User Manual
Page 34
Operation
Operating Manual PSSu H PLC1 FS SN SD(T)(R)
21939EN10
34
8.2.13
X3: LNK, X3: TRF, X4: LNK, X4: TRF
These status LEDs are the display elements for the interfaces (X3 and X4). Both interfaces
are assigned two LEDs each. Various operating and fault states are displayed via the
LEDs.
X3: LNK, X4: LNK
Colour
Status
Meaning
No network connection
Green
Network connection is errorfree
X3: TRF, X4: TRF
Colour
Status
Meaning
No data traffic
Yellow
Data traffic is errorfree
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