Siemens SIMATIC NET PROFIBUS Provozní pokyny Strana 383

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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)
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