Mitsubishi MELSEC User Manual

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12.7 Special Register List
12
TROUBLESHOOTING
(1) Diagnostic Information
Table12.19 Special register
Number Name Meaning Explanation
Set by
(When set)
Corresponding
CPU
SD0
Diagnostic
errors
Diagnosis error
code
• Error codes for errors detected by diagnostics are stored as
BIN data.
• Contents identical to latest fault history information.
S (Error)
QS
SD1
Clock time for
diagnosis
error
occurrence
Clock time for
diagnosis error
occurrence
• Stores the year (last two digits) and month when SD0 data
was updated as BCD 2-digit code.
S (Error)
SD2
• Stores the day and hour when SD0 data was updated as BCD
2-digit code.
SD3
• Stores the minute and second when SD0 data was updated
as BCD 2-digit code.
SD4
Error
information
categories
Error
information
category code
Category codes to identify what type of error information is
stored in the common information (SD5 to SD15) or in the
individual information (SD16 to SD26).
• The common information category codes store the following
codes:
0 : No error
1: Module No./Base No.
2: File name/Drive name
3: Time (value set)
4: Program error location
9: CC-Link Safety information
10: Module No./Station No.
• The individual information category codes store the following
codes:
0: No error
2: File name/Drive name
3: Time (value actually measured)
4: Program error location
5: Parameter number
6: Annunciator (F) number
9: Error information
10: CC-Link Safety information
11: Program abort information
12: File diagnostics information
S (Error)
b15
b7
b0b8
to to
Year (0 to 99) Month (1 to 12)
(Example) September, 2006
H0609
b15 b7 b0b8
to to
Day (1 to 31) Hour (0 to 23)
(Example) 10 a.m. on 25th
H2510
b15 b7 b0b8to to
Minutes (0 to 59) Seconds (0 to 59)
(Example) 35 min. 48 sec.
H3548
b15
b7
b0b8
to to
Individual information
category codes
Common information
category codes

Mitsubishi MELSEC Specifications

General

Category	Programmable Logic Controller (PLC)
Manufacturer	Mitsubishi Electric
Series	MELSEC
Programming Languages	Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), Instruction List (IL), Sequential Function Chart (SFC)
Communication Protocols	Ethernet, CC-Link, RS-232, RS-485, USB, Profibus, Modbus
Model Series	FX, Q, L, iQ-R, iQ-F
Input Voltage	100-240V AC, 24V DC (varies by model)
Memory Capacity	Varies widely depending on the CPU module and series. Ranges from kilobytes to megabytes.
I/O Points	16 to 8192 points (varies by model)
Communication Ports	Ethernet, RS-232, RS-485, USB (varies by model)
Programming Software	GX Works2, GX Works3, GX Developer
Operating Temperature	0°C to 55°C
Storage Temperature	-25°C to 75°C
Humidity	5% to 95% (non-condensing)
Vibration Resistance	10 to 57Hz, 0.075mm amplitude; 57 to 150Hz, 9.8m/s² acceleration
Shock Resistance	147m/s², 3 times in each direction (X, Y, Z)
Protection Class	IP20 (varies by model)
CPU Processing Speed	0.02μs to 0.1μs per instruction (varies by model)