This Is How You Remove The Pp 72/48D Pn - Siemens sinumerik 828d Service Manual

Service cases - hardware
4.5 I/O modules
LEDs at port 1 and port 2
There are 2 LEDs at port 1 and port 2 for diagnostics of the PLC I/O interfaces based on
PROFINET.
Figure 4-14
LED for communication at the RJ45 connector.
Name
Link
Activity
4.5.2

This is how you remove the PP 72/48D PN

Overview
The activities necessary to replace the PP72/48D PN I/O module are described in the
following.
If the PP 72/48D PN has a hardware defect, then this must be replaced by an identical
module.
Preconditions:
● The I/O module is defective and must be replaced.
● The control cabinet is in a no-voltage condition, all of the connectors and cables are
102
Port 1 and port 2
Color
Green
Yellow
labeled.
State Meaning
ON 100 MBit link available
OFF Missing or faulty link
ON Sending or receiving
OFF No activity
Service Manual, 03/2011, 6FC5397-5DP40-0BA0
Hardware and Software