Terminal Box Pn - Siemens SIMATIC HMI 177 Operating Instructions Manual

5.2

Terminal Box PN

5.2
Introduction
Six LEDs that display the communication status are positioned on the front of the Terminal
Box PN
①
Two LED displays "LNK" and "ACT" each exist for the following connections:
• PROFINET connection Port1
• PROFINET connection Port2
• Mobile Panel 177
Meaning of the LED displays
• The LED "LNK" lights up if a cable is connected and the connection is error-free at the
• The LED "ACT" flashes when data are being transferred via the corresponding interface.
Mobile Panel 177 (WinCC flexible)
Operating Instructions (Compact), Edition 07/2005
LED displays (green LED "LNK", yellow LED "ACT")
corresponding interface of the Terminal Box PN.
Operator elements and displays
5.2 Terminal Box PN
5-13