Mitsubishi MELSEC Q Series Programming Manual

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LEDR
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7.9 Display instructions 7.9.3 Error display and annunciator reset instruction (LEDR)
Remark
1. The defaults for the error item numbers set in special registers SD207 to
SD209 and order of priority are given in the table below:
2. If the highest priority is given to the annunciator, it can be reset with priority by
the LEDR instruction. (Basic model QCPU, High Performance model QCPU,
Process CPU, and Redundant CPU)
Priority
Factor number
(Hexadecimal)
Meaning Remarks
1 1
AC DOWN
SINGLE PS.DOWN
SINGLE PS.ERROR
Power supply cut
Redundant base unit power supply voltage
drop (QCPU only)
Redundant power supply module fault (QCPU
only)
2 2
UNIT VERIFY ERR.
FUSE BREAK OFF
SP. UNIT ERROR
SP. UNIT DOWN
I/O module verify error (QCPU only)
Blown fuse (QCPU only)
Special function module verify error (QCPU
only)
Intelligent function module verification error
Intelligent function module error (LCPU only)
3 3
OPERATION ERROR
LINK PARA.ERROR
SFCP OPE. ERROR
SFCP EXE. ERROR
REMOTE PASS.FAIL
SNTP OPE.ERROR
[Operation Errors]
Link parameter error (QCPU only)
SFC instruction operation error (QCPU only)
SFC program execution error (QCPU only)
Remote password error (LCPU only)
SNTP error (LCPU only)
4 4
ICM.OPE ERROR
FILE OPE. ERROR
EXTEND INST. ERROR
OPE. MODE DIFF.
CAN'T EXE.MODE
TRK.TRANS.ERR.
TRK.SIZE ERROR
TRK.DISCONNECT
FLASH ROM ERROR
Memory card operation error
File access error
Extend instruction error (QCPU only)
Operation status, switch mismatch (QCPU
only)
Current mode-time function execution disabled
(QCPU only)
Tracking data transmission error (QCPU only)
Tracking capacity excess error (QCPU only)
Tracking cable not connected, failure (QCPU
only)
Flash ROM access count exceeded error
(LCPU only)
5 5
PRG.TIME OVER
Constant scan setting time over error
Low speed execution monitoring tome over
error (QCPU only)
6 6
CHK instruction
––
7 7
Annunciators
––
8 8
LED instruction
––
9 9
BATTERY ERR.
––
10 A
Clock data
––
11 B
CAN'T SWITCH
STANDBY SYS.DOWN
MEM.COPY EXE.
System switching error (QCPU only)
Standby system not started/stop error (QCPU
only)
Memory copy function executed (QCPU only)
12 C
DISPLAY ERROR Display unit error (LCPU only)

Mitsubishi MELSEC Q Series Specifications

General

Brand	Mitsubishi
Model	MELSEC Q Series
Category	Controller
Language	English