SEW-Eurodrive INTERBUS UFI11A, Manual

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Manual – Fieldbus Interface INTERBUS UFI11A
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7
Diagnostic LEDs
7 Diagnostic LEDs
The UFI11A INTERBUS interface has 7 diagnostic LEDs.
• LED "UL" (green) Logic voltage
• LED "RC" (green) Incoming remote bus OK
• LED "BA" (green) Bus mode active
• LED "RD" (yellow) Outgoing remote bus switches off
• LED "TR" (green) Parameter data exchange via PCP channel
• LED "SYS-FAULT"(red) for displaying system errors and operating conditions of the
UFI11A
• LED "USER" (green) for application-specific diagnostics in expert mode
7.1 States of the LEDs UL, RC, BA, TR and RD
LED UL "U-Logic"
(green)
LED RC "Cable
Check" (green)
LED BA "Bus
Active" (green)
LED RD "Remote
Bus Disable"
(red)
Status Meaning Remedy
on Supply voltage of bus electro-
nics is present -
off Supply voltage of bus electro-
nics is missing Check the 24V voltage supply of the UFI11A.
Status Meaning Remedy
on Incoming remote bus connec-
tion is ok -
off Incoming remote bus connec-
tion is faulty Check the incoming remote bus connection.
Status Meaning Remedy
on Data transmission via INTER-
BUS active -
off No data transmission; INTER-
BUS has been stopped Check the incoming remote bus cable. Use the diagnostics
display of the INTERBUS interface module (master) for
additional error localization.
Status Meaning Remedy
on Outgoing remote bus turned off -
off Outgoing remote bus not turned off -