Mitsubishi Electric Q26UD(E)HCPU User Manual page 516

Number Name Meaning
Error Error
SD16 to
individual individual
SD26
information information
514
Explanation
5) Parameter No. 6) Annunciator number /
7) CHK instruction
malfunction number
Number Meaning Number
SD16 SD16
Parameter No. 8
SD17 SD17
SD18 SD18
SD19 SD19
SD20 SD20
SD21 SD21
(Empty)
SD22 SD22
SD23 SD23
SD24 SD24
SD25 SD25
SD26 SD26
*8 For details on the parameter No., refer to the following:
 User's Manual (Function Explanation, Program
Fundamentals) for the CPU module used
8) Reason(s) for system switching failure
Number Meaning
System switching prohibition condition 9
SD16
SD17
SD18
SD19
SD20
SD21
(Empty)
SD22
SD23
SD24
SD25
SD26
*9 The following shows the description.
0 : Normal switching completion (default)
1 : Tracking cable fault (cable
removal, cable fault, internal
circuit fault, hardware fault)
2 : Hardware failure, power OFF,
reset or watchdog timer error
occurring in standby system
3 : Hardware failure, power OFF,
reset or watchdog timer error
occurring in control system
4 : Preparing for tracking
5 : Time limit exceeded
6 : Standby system is in stop error
(except watchdog timer error)
7 : Operation differs between two
systems (in backup mode only)
8 : During memory copy from control
system to standby system
9 : Online program change
10 : Error detected by network
module of standby system
11 : System switching being executed
12 : Online module change in progress
Set by
(When Set)
Meaning
No.
(Empty)
S (Error)
Corresponding
Corresponding
ACPU
CPU
D9
QCPU
LCPU
New
QnPRH