User Manual

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Siemens TX-I/O Engineering and installation guide CM110562en_13
Building Technologies Display, operation, and diagnostics 2019-05-15
9.5 Diagnostics based on the LED indicators – (integration via island bus)
Faults and information, based on the example of an I/O island with one automation station and two power supply modules (Supply 1 and 2)
DISPLAY
FAULT / INFORMATION
DETAILS
Autom. station
Supply 1
Supply 2 1)
Modules 4)
RUN
LED
FAULT
LED
3)
AC24V
LED
DC24V
LED
2)
AC24
V LED
1)
DC24V
LED
2)
Module
status
LED 2)
Other
LEDs
DC24V
from bus
2)
A) Operation, configuration, communication etc.
ON
OFF
ON
ON
Normal
> 21.5V
No fault
Normal operation
ON
OFF
ON
ON
OVR LED
ON
> 21.5V
No fault
Local override ON
ON
OFF
ON
Fl_4
Normal
> 21.5V
No fault
Tool override on at least one I/O point of the module is
ON
Fl_5
ON
ON
Normal
> 21.5V
No fault
Configuration, island bus report
(indication throughout process)
ON OFF ON Fl_3 I/O LED
Fl_3
> 21.5V Invalid signal (e.g. short circuit or
open circuit)
• Synchronous flashing
•
Details on LCD panel, if any (see page 58)
ON OFF ON ON OVR LED
Fl_6
> 21.5V Illegal operation e.g. attempt to operate an input or an output where local override is not
activated
ON OFF ON ON OVR LED
Fl_8
> 21.5V Illegal operation e.g. attempt to operate an input or an output where local override is disabled
(configuration)
ON
OFF
ON
Fl_3
Normal
> 21.5V
Faults that are not in relation to
an I/O point
• Address key inserted
• All module related faults
ON
ON
ON
OFF
All OFF
> 21.5V
Module in parked position
Module inactive
ON
Fl_3
ON
Fl_3
Normal
> 21.5V
No configuration
All modules have Default functions
ON ON ON ON Normal > 21.5V Configuration error
• At least one module has incorrect configuration
•
Multiple module addresses or permutations, etc.
ON ON ON Fl_1 All OFF > 21.5V No address key and
not configured
• At least one module unconfigured = AS Fault LED ON (Module
configured
= at least 1 I/O point configured)
• If unconfigured channels not used by application:
No fault (AS Fault LED OFF; module status LED and I/O Status LEDs do
not flash)
ON
ON
ON
Fl_2
All OFF
> 21.5V
No address key and
configured
At least 1 I/O point is configured
ON
ON
ON
Fl_3
Normal
> 21.5V
• Address key inserted
• Not configured
• Communications error
•
EMC fault
Examples of communication errors:
• Bus not connected
• Bus short-circuit
• Voltage drop on bus cables is too high