Mitsubishi Electric Q26UD(E)HCPU - Page 516

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