Siemens SIMATIC NET PROFIBUS Manuale Utente

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Infrared Link Modul (ILM)
6ZB5530–3AC30–0BA1
41
Copyright 
 by Siemens
10
Help With Problems During Operation
10.1
Status Displays for Incorrect Operation
LED Display
                Possible Causes
Signaling
Contact
POWER LED 
not lit
-
Power supply failed or turned off
-
Module defective
-
Ribbon band cable not plugged in when assem-
bling the module
Always si-
gnals
POWER LED 
lit green
TX LED 
not lit
RX LED
 not lit
-
Interruption on one or more cores of the RS 485
LAN cable
-
Reversed connection of core A and B of the RS
485 LAN cable
-
Connected PROFIBUS master defective (not sen-
ding)
-
PROFIBUS node is not attached or attached
PROFIBUS node is not turned on
-
No partner station detected with attached PROFI-
BUS master
POWER LED
lit green
TX LED 
not lit
RX LED 
lit yellow
-
Interruption on one or more cores of the RS 485
LAN cable
-
Reversed connection of core A and B of the RS
485 LAN cable
-
Attached PROFIBUS slave defective (not sen-
ding)
-
PROFIBUS slave is not attached or attached
PROFIBUS slave is not turned on
-
PROFIBUS slave node not correctly addressed
and therefore not responding
POWER LED 
lit green
TX LED 
lit orange,
RX LED
not lit
-
No acknowledgment pulse received, partner sta-
tion not responding
Signals when
configured
(acknowledg-
ment pulse)