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CHAPTER 6 CPU MODULE
6
6.1 Part Names
6.1.3 Universal model QCPU
No. Name Application
1) Module fixing hook Hook used to fix the module to the base unit. (Single-motion installation)
2) MODE LED
Indicates the mode of the CPU module.
On: Q mode
Flash:
Executional conditioned device test is being executed.
External input/output forced on/off function is being executed.
CPU module change function with memory card is being executed.
3) RUN LED
Indicates the operating status of the CPU module.
On: During operation with the RUN/STOP/RESET switch set to "RUN"
Off: During stop with the RUN/STOP/RESET switch set to "STOP"
When an error that stops operation is detected
Flash:
Parameters or programs are written with the RUN/STOP/RESET switch set to "STOP",
and then the RUN/STOP/RESET switch is turned from "STOP" to "RUN."
To turn on the RUN LED after writing the program, perform the following operations.
• Set the RUN/STOP/RESET switch in the order of "RUN" "STOP" "RUN".
• Perform reset with the RUN/STOP/RESET switch.
• Power on the programmable controller again.
To turn on the RUN LED after writing the parameters, perform the following operations.
• Perform reset with the RUN/STOP/RESET switch.
• Power on the programmable controller again.
(If the RUN/STOP/RESET switch is set in the order of "RUN" "STOP" "RUN" after
changing the parameters, network parameters and intelligent function module
parameters will not be updated.)
4) ERR. LED
On: Detection of self-diagnosis error which will not stop operation, except battery error.
(When operation continued at error detection is set in the parameter setting.)
Off: Normal
Flash:
Detection of the error that stops operation.
When reset operation becomes valid with the RUN/STOP/RESET switch.
5) USER LED
On: Annunciator (F) turned on
Off: Normal
6) BAT. LED
On (yellow):Battery error due to battery voltage drop of the memory card.
Flash (yellow):Battery error due to voltage drop of the CPU module battery.
On (green):
Turned on for 5 seconds after restoring of data backed up to the standard ROM by the
latch data backup is completed.
Flash (green):
Flashes when backup of data to the standard ROM by latch data backup is completed.
Off: Normal
7) BOOT LED
On: Start of boot operation
Off: Non-execution of boot operation
8) Serial number display Shows the serial number printed on the rating plate.
9) Memory card EJECT button Used to eject the memory card from the CPU module.
10) Memory card installing connector Connector used for installing the memory card to the CPU module.
11)
USB connector
*1
Connector for connection with USB-compatible peripheral device. (Connector type miniB)
Can be connected by USB-dedicated cable.
12)
RS-232 connector
*1
Connector for connecting a peripheral device by RS-232.
Can be connected by RS-232 connection cable (QC30R2).
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