Diagnostic
Operation Manual
Safety I/O Terminals
SI4000 / SO4000
Document no.: 5.08009.05
Baumüller Nürnberg GmbH
54
7.2
7.2
Diagnostic
7.2.1
Diagnostic LEDs SI4000
Figure 13:
Diagnostic LEDs SI4000
7.2.1.1 Diag 1 (green)
The Diag 1 LED indicates the state of the FSoE interface.
Flashing Code
Meaning
LED illuminated continuously
normal operation:
FSoE communication OK
rapid flickering, alternating with 1 flash
pulse
Error in S parameter (Fail
s
afe parameter
rapid flickering, alternating with 2 flash
pulses
Error in I parameter (
I
ndividual parameter
rapid flickering, alternating with 3 flash
pulses
Waiting for S and I parameter
rapid flickering, alternating with 4 flash
pulses
S- and I-parameter correct:
Waiting for first host message
rapid flickering, alternating with 5 flash
pulses
Watchdog error
rapid flickering, alternating with 6 flash
pulses
CRC error
rapid flickering, alternating with 7 flash
pulses
Sequence number error
rapid flickering, alternating with 8 flash
pulses
Intermediate state in a sensor
7.2.1.2 Diag 2 (red)
The Diag 2 LED illuminates red if the terminal detects an external supply or cross-circuit.
Once the error has been rectified the LED goes out.
Summary of Contents for SI4000
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