Smart Line Module Dc Link Busbar; Meaning Of The Leds On The Smart Line Module - Siemens SINUMERIK 840D sl Manual

5.3.3.8

Smart Line Module DC Link Busbar

Busbar
DCP
DCN
5.3.3.9

Meaning of the LEDs on the Smart Line Module

Table 5-11 Meaning of the LEDs on the Smart Line Module
LED Color
READY Green
Yellow
Red
DC LINK
Yellow
Red
Warning
Hazardous DC link voltages may be present at any time regardless of the status of the "DC
link" LED.
The warning information on the components must be carefully observed!
Cause and rectification of faults
The following reference contains information about the cause and rectification of faults:
Reference: /IH1/ SINAMICS S120 Commissioning Manual
Guide for the SINUMERIK 840D sl machine configuring
Manual, 07/2006 Edition, 6FC5397-6CP10-0BA0
Designation
DC link plus pole
DC link minus pole
State Description
Steady light Operation
Steady light Pre-charging not yet complete; bypass relay dropped out
Steady light Overtemperature/overcurrent switch-off, or
Electronics power supply outside the permissible tolerance range
OFF Electronics power supply outside the permissible tolerance range
Steady light DC link voltage within permissible tolerance range
Steady light DC link voltage outside permissible tolerance range
Connection of the Components
5.3 Line Modules Interfaces Description
Remark
Two connection straps on the distribution busbar
can be used to pass the voltage potential to
neighboring components.
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