Configuring
4-52 Application Module FM 458-1 DP - User Manual
A5E01078222-02 Edition 03.2009
4.6.5 Coupling diagnostics
The user can use the 3 LEDs on the front of the SLB module to analyze
the operating status.
LED Status Diagnostics information
green flashing Error-free net data transfer via SIMOLINK
red flashing SLB module in operation
yellow flashing Data transfer with the information processor
FM 458-1 DP or PMx is OK
Table 4-12 Operating display, SLB module
LED Status Diagnostics information
green dark/
bright
No net data transfer via SIMOLINK:
Bus cable not connected or defective, poor fiber-optic
cable transition, send power (launch power) too low
red dark/
bright
SLB module power supply failed
Replace the SLB module or power supply through
FM 458-1 DP and check PMx
yellow dark/
bright
No data transfer with the automation processor
FM 458-1 DP or PMx, bus cable not connected or
defective, poor fiber-optic cable transition, send power
(launch power) too low, replace SLB module or
automation processor FM 458-1 DP and PMx
Table 4-13 Fault display, SLB module
The fault statuses are output coded at the outputs YF of the appropriate
SIMOLINK blocks.
NOTE
Only the last fault event is displayed.
Value Diagnostics information
F:
Fault cause
R:
System response
A:
Remedy
2 F: TAD input is incorrectly connected (e.g. HW address of CS8+SLB module)
R: No telegram data transfer
A: Use symbolic hardware assignment of the EXM 448-1/ EXM448-2 or ITSL module
3 F: Incorrect module or SLB module not inserted or defective hardware
R: No telegram data transfer
A: Use or replace SLB module
4 F: SLB module is already being used by another central block @SL,
configured twice
R: No telegram data transfer
A: Only use one FB @SL for each SIMOLINK ring
LEDs
Operating display
Fault display
Fault output
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