Communications configuring
3-174
System- and communication configuring D7-SYS - SIMADYN D
Edition 12.2003
3.17.5 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 FM458 or
PMx is OK
Table 3-65
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
FM458 and check PMx
yellow dark/
bright
No data transfer with the automation processor FM458
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
FM458 and PMx
Table 3-66
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 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
