Omron CP1E Series User Manual page 71

Number
Built-in RS-232C communi-
cations status indicator
Option Board slot for N-type
CPU Units
Built-in RS-232C port for
N-type CPU Units
CPU Unit Status Indicators
Indicator
POWER
POWER
RUN
RUN
ERR/ALM
INH
ERR/ALM
PRPHL
BKUP
INH
PRPHL
BKUP
Precautions for Safe Use
Do not turn OFF the power supply to the PLC, when the BKUP indicator is lit. It indicates that
data is being written to the backup memory (built-in EEPROM).
If the power supply is turned OFF while the BKUP indicator is ON, data in the backup memory
(built-in EEPROM) may be destroyed.
CP1E CPU Unit Hardware User's Manual(W479)
Name
This indicator will be flashing if the built-in RS-232C port is in communi-
cation mode.
An Option Board can be connected to the slot.
· CP1W-CIF01 RS-232C Option Board
· CP1W-CIF11 RS-422A/485 Option Board (Maximum transmission
distance: 50 m) or CP1W-CIF12 RS-422A/485 Option Board
(Maximum transmission distance: 500 m)
By connecting a PT, the controlled system can be monitored and data
can be collected.
Color Status
Green
Power is ON.
Lit
Power is OFF.
Not lit
Green
The CP1E is executing a program in either RUN or MONITOR mode.
Lit
Operation is stopped in PROGRAM mode or due to a fatal error.
Not lit
Red A fatal error (including FALS execution) or a hardware error (WDT
error) has occurred.
Lit
CP1E operation will stop and all outputs will be turned OFF.
A non-fatal error has occurred (including FAL execution).
CP1E operation will continue.
Flashing
Normal
Not lit
Yellow The Output OFF Bit (A500.15) was turned ON.
All outputs will be turned OFF.
Lit
Normal
Not lit
Yellow Communications (either sending or receiving) are in progress through
Flashing the peripheral USB port.
Other than the above.
Not lit
Yellow The user program, parameters, or specified DM Area words are being
Lit written to the backup memory (built-in EEPROM).
Other than the above.
Not lit
3 Part Names and Functions
Function
: Not lit : Flashing
Description
: Lit
3
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