Справочник Пользователя для Mitsubishi Electronics Q25HCPU
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MELSEC-Q
4 HARDWARE SPECIFICATION OF THE CPU MODULE
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 (green)
ON (green)
: Q mode
ON (orange)
: A mode
Flicker (green) : Enforced ON/OFF for external I/O registered
3) "RUN"
LED
Indicates the operating status of the CPU module.
ON
ON
: During operation in "RUN" status.
OFF
: During a stop in "STOP" status or detection of error whose occurrence stops
operation.
Flicker : When parameter/program is written at STOP and RUN/STOP switch is
changed from "STOP" to "RUN".
To turn ON the RUN LED after writing the program, carry out the following
steps.
y Set the RUN/STOP switch from "RUN"
To turn ON the RUN LED after writing the program, carry out the following
steps.
y Set the RUN/STOP switch from "RUN"
→ "STOP" → "RUN".
y Reset with the RESET/L.CLR switch.
y Restart the PLC power.
To turn ON the RUN LED after writing the parameters, carry out the following
steps.
y Reset with the RESET/L.CLR switch.
y Restart the PLC power.
(If the RUN/STOP switch is set from "RUN"
y Restart the PLC power.
To turn ON the RUN LED after writing the parameters, carry out the following
steps.
y Reset with the RESET/L.CLR switch.
y Restart the PLC power.
(If the RUN/STOP switch is set from "RUN"
→ "STOP" → "RUN" after
changing the parameters, the parameters related to the intelligent function
module, such as the network parameters, will not be reflected.)
module, such as the network parameters, will not be reflected.)
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.)
(When operation continued at error detection is set in the parameter.)
OFF :
Normal
Flicker : Detection of error whose occurrence stops operation.
When automatic write to standard ROM is completed normally. ("BOOT" LED
also flickers.)
also flickers.)
5) "USER"
LED
ON
: Error detected by CHK instruction or annunciator ON
OFF :
Normal
Flicker : Execution of latch clear
6) "BAT."
LED
ON
: Occurrence of battery error due to reduction in battery voltages of CPU module
or memory card.
OFF :
Normal
7) "BOOT"
LED
ON
: Start of boot operation
OFF
: Non-execution of boot operation
Flicker : When automatic write to standard ROM is completed normally. ("ERR." LED
also flickers.)
8) Module loading lever
Used to load the module to the base unit.