Omron CP1E - INTRODUCTION Introduction Manual page 22

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1-2 Part Names and Functions
Indicator Statuses
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SYSMAC CP1L/CP1E Introduction Manual
This section describes the operating statuses of CP1L and CP1E as displayed by
the operation indicators.
POWER
RUN
ERR/ALM
INH
PRPHL
BKUP
POWER Lit Power is ON.
(Green)
Not lit Power is OFF.
RUN Lit CP1L/CP1E is executing a program in either RUN or MONITOR mode.
(Green)
Not lit Operation is stopped in PROGRAM mode, or stopped due to a fatal error.
ERR/ALM Lit A fatal error (including FALS execution) or a hardware error (WDT error)
(Red) has occurred.
CP1L/CP1E operation will stop, and all outputs will be turned OFF.
Blinking A non-fatal error (including FAL execution) has occurred.
CP1L/CP1E operation will continue.
Not lit Operation normal.
INH Lit The output OFF bit (A500.15) has turned ON.
(Yellow) All outputs will be turned OFF.
Not lit Operation normal.
PRPHL Blinking Communication (either sending or receiving) is active on the peripheral
(Yellow) USB port.
Not lit Any other state.
BKUP Lit
• CP1L CPU units
(Yellow)
• User program, parameter, or data memory is being written to or read
from the built-in flash memory (backup memory).
• User program, parameter, data memory, DM defaults, or comment
memory is being written to or read from the memory cassette.
• User programs, parameters, and data memory are being restored
following a PLC power-on.
• CP1E CPU units
The user program, parameters, or specified DM Area words are being
written to the backup memory (built-in EEPROM).
Note: Do not turn the PLC power supply OFF while this indicator is lit.
Not lit Any other state.