Digital I/Os and diagnostic and status indicators
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PLC: Inline controller diagnostics
FR
Green
Inline controller running
Off
IEC 61131 runtime system not ready to operate.
Flashing IEC 61131 runtime system successfully initialized.
Controller in READY/STOP mode, program not being executed.
On
IEC 61131 runtime system successfully initialized and program running.
The controller is in RUN mode.
FF
Yellow
Failure
On
A runtime error has occurred in the IEC 61131 runtime system program.
Off
No runtime error has occurred in the IEC 61131 runtime system program.
PWR: supply voltage
UL
Green
24 V supply U
ILC
for generating voltages U
L
and U
ANA
Off
Supply voltage is not present.
On
Supply voltage is present
(the presence of the 24 V supply voltage U
ILC
is indicated)
US
Green
24 V supply for segment circuit
Off
Supply voltage is not present.
On
Supply voltage is present.
UM
Green
24 V supply for main circuit
Off
Supply voltage is not present.
On
Supply voltage is present.
IL: INTERBUS diagnostics
RDY
Green
INTERBUS master ready to operate/data transmission active
(INTERBUS ready/running)
Off
The INTERBUS master is not ready to operate.
Flashing The INTERBUS master is in READY or ACTIVE mode.
On
The INTERBUS master is in RUN mode.
FAIL
Red
Failure
Off
No error occurred:
On
One of the following errors has occurred:
– Bus error in the connected bus (remote bus/local bus)
– Controller error
BSA
Yellow
Bus segment aborted
Off
Bus segment(s) in the connected bus not switched off.
On
One or more bus segments in the connected bus are switched off.
PF
Yellow
Peripheral fault
Off
No peripheral fault on a device in the connected bus
On
Peripheral fault on a device in the connected bus (local bus or remote bus)
Table A
-
1
Diagnostic and status indicators of the Inline controller
Des.
Color
Status
Meaning
