1 CPU MODULE
29
1
No. Name Description
(1) READY LED Indicates the operating status of the CPU module and the error level. ( Page 533 LED status of the CPU
module)
● READY LED-ERROR LED status
On-off: Normal operation
On-on: Minor error
On-flashing: Moderate error
Flashing-on: Minor error (Changing module online)
Flashing (every 2s)-off: Initial processing
Flashing (every 400ms)-off: Changing module online
Off-on/flashing: Major error
(2) ERROR LED
(3) PROGRAM RUN LED Indicates the operating status of the program.
On: Being executed (RUN state)
Flashing: Being suspended (PAUSE state)
Off: Stopped (STOP state) or stop error
PROGRAM RUN LED
WHEN USING THE PROCESS
CPU (REDUNDANT MODE)
Indicates the operating status of the program.
■Control system (CTRL LED of the redundant function module: On)
On: Being executed (RUN state)
Flashing: Being suspended (PAUSE state)
Off: Stopped (STOP state) or stop error
■Standby system (SBY LED of the redundant function module: On)
[Backup mode]
On: Being executed (RUN state) (programs being executed in both systems)
Flashing: Being suspended (PAUSE state) (programs being executed in both systems)
Off: Stopped (STOP state/RUN state/PAUSE state) (no program being executed in both systems) or stop error
[Separate mode]
On: Being executed (RUN state)
Flashing: Being suspended (PAUSE state) or waiting for state transition to RUN (same as STOP state)
Off: Stopped (STOP state) or stop error
■Control or standby system has not been determined yet
Flashing: Waiting for state transition to RUN by switch operation (same as STOP state)
Off: Normal operation
(4) USER LED Indicates the status of the annunciator (F). ( Page 453 Annunciator (F))
On: Annunciator (F) ON
Off: Normal operation
(5) BATTERY LED Indicates the battery status.
Flashing: Battery low
Off: Normal operation
(6) CARD READY LED Indicates the availability of the SD memory card.
On: Available
Flashing: Ready
Off: Not available or not inserted
(7) CARD ACCESS LED Indicates the access status of the SD memory card.
On: Being accessed
Off: Not accessed
(8) FUNCTION LED Turns on or flashes when the following functions are used:
• LED setting
• External input/output forced on/off function
• Program restoration information write
• Device test with execution condition
For the LED status, refer to the description of each function.
Page 206 LED display setting
(9) SPEED LED Refer to the following.
MELSEC iQ-R Ethernet/CC-Link IE User's Manual (Startup)
(10) SD/RD LED
(11) RUN/STOP/RESET switch A switch for controlling the operating status of the CPU module. ( Page 52 Executing the Program)
RUN: Executes the program.
STOP: Stops the program.
RESET: Resets the CPU module. (Keep the switch in the RESET position for approximately one second.)
Operate the RUN/STOP/RESET switch with your fingers. To prevent the switch from being damaged, do not use
any tool such as a screwdriver.
(12) SD CARD OFF button A switch for disabling access to the SD memory card to remove it from the CPU module ( Page 40 Inserting
and Removing an SD Memory Card)
(13) SD memory card slot A slot where an SD memory card is inserted
(14) USB port
*1
A connector for a USB-compatible peripheral (connector type: miniB)
(15) Ethernet port Refer to the following.
MELSEC iQ-R Ethernet/CC-Link IE User's Manual (Startup)
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