Diagnostic
Operation Manual Safety I/O Terminals SI4000 / SO4000
Document no.: 5.08009.05 Baumüller Nürnberg GmbH
56
of 82
7.2
7.2.2 Diagnostic LEDs SO4000
Figure 15: LEDs SO4000
7.2.2.1 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
Communication error: The connection is
not in „Run“ State
rapid flickering, alternating with 3 flash
pulses
Communication error: The connection is
not in „Run“ State
7.2.2.2 Diag 2 (red)
The Diag 2 LED indicates the state of the digital outputs.
Flashing Code Meaning
rapid flickering, alternating with 1 flash
pulse
Output 1: Open load or current below mini-
mum value of 20 mA or current above
ma
ximum value of 500
mA
rapid flickering, alternating with 2 flash
pulses
Output 2: Open load or current below mini-
mum value of 20 mA or current above
ma
ximum value of 500
mA
rapid flickering, alternating with 3 flash
pulses
Output 3: Open load or current below mini-
mum value of 20 mA or current above
ma
ximum value of 500
mA
rapid flickering, alternating with 4 flash
pulses
Output 4: Open load or current below mini-
mum value of 20 mA or current above
ma
ximum value of 500
mA
rapid flickering, alternating with 5 flash
pulses
field potential too low
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