Chapter 2. CPU Features & Specifications
40
PACSystems* RX7i, RX3i and RSTi-EP CPU Reference Manual
GFK-2222AD
Status Indicator LEDs
LED
LED State
Operating State
RUN
41
On Green
PLC is in RUN mode.
Off
PLC is in STOP mode.
RUN
Blinking in unison CPU is updating an internal programmable hardware device.
OE
PHY PRES
On Green
TPM Physical Presence (not functional).
Off
SSD
On Green
Activity detected on Solid State Disk.
Off
No activity detected on Solid State Disk.
TEMP
On Amber
Controlled shutdown due to CPU Overtemperature condition.
Off
Overtemperature condition not detected.
OK
On Green
CPU has passed its power-up diagnostics and is functioning properly.
(Following
initialization sequence.)
Off
Power is not applied or CPU has a problem.
Blinking;
All other LEDs off
PLC in STOP/Halt state; possible watchdog timer fault. If the programmer cannot
connect, cycle power with charged Energy Pack attached and refer to fault tables.
OK
Blinking
alternately
CPU encountered a Secure Boot Error.
OE
OE
On Green
Output scan is enabled.
Off
Output scan is disabled.
FRC
On Yellow
One or more Overrides active in I/O Reference Tables.
Off
No Overrides active in any I/O Reference Table.
FLT
On Red
PLC is in STOP/Faulted mode: a fatal fault has occurred.
Off
No fatal faults detected.
IO
On Green
PROFINET Connection Status = OK.
Off
PROFINET Connection Status not OK.
RACT
On Green
Local Redundant CPU is Ready & Active.
Off
Local Redundant CPU is not Ready.
RBOK
On Green
Remote Redundant CPU is Ready.
Off
Remote Redundant CPU is not Ready.
FAOK
On Green
Field Agent Running and Connected to Cloud.
Blinking Green
Blink at 0.5 Hz: Field Agent Starting.
Blink at 1 Hz: Field Agent Running.
Off
Field Agent Off.
PWR
On Green
CPU running.
Blinking Green
Booting up
–
diagnostics in progress.
On Red
Off
Off
Reset / Power not detected.
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This LED is located between the RUN and STOP pushbuttons. It indicates the PLC Mode.