APPENDICES
Appendix 2 Special Register List
App
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(18)For redundant systems (Other system CPU information
*1
)
SD1600 to SD1659 is only valid during the back up mode for redundant systems, and
refresh cannot be done when in the separate mode.
SD1651 to SD1699 are valid in either the backup mode or separate mode.
When a stand-alone system SD1600 to SD1699 are all 0.
*1 : Stores other system CPU module diagnostics information and system information.
*2 : Shows the special register (SD
) for the host system CPU module.
TableApp.36 Special register
Number
Name
Meaning
Explanation
Set by
(When Set)
Corres-
ponding
ACPU
SD
*2
Corresponding
CPU
SD1600
Diagnosis error
Diagnosis error
No.
• Stores as BIN code the error No. of the error that occurred during the
other system CPU module diagnosis.
• Stores the latest error currently occurring.
S (Each END)
SD0
Q4AR
SD1601
Diagnosis error
occurrence time
Diagnosis error
occurrence time
• SD1600 stores the updated date and time.
• Stores each of the BCD two digits.
• Refer to SD1 to SD3 for the storage status.
(SD1
SD1601, SD2
SD1602, SD3
SD1603)
S (Each END)
SD1 to
SD3
SD1602
SD1603
SD1604
Error
information
classification
Error information
classification
• Stores the error comment information/individual information
classification code.
• Refer to SD4 for the storage status.
S (Each END)
SD4
SD1605
Error common
information
Error common
information
• Stores the common information for the error code.
• Refer to SD5 to SD15 for the storage status.
(SD5
SD1605, SD6
SD1606, SD7
SD1607, SD8
SD1608,
SD9
SD1609, SD10
SD1610, SD11
SD1611, SD12
SD1612,
SD13
SD1613, SD14
SD1614, SD15
SD1615)
S (Each END)
SD5 to
SD15
SD1606
SD1607
SD1608
SD1609
SD1610
SD1611
SD1612
SD1613
SD1614
SD1615
SD1616
Error individual
information
Error individual
information
• Stores the individual information for the error code.
• Refer to SD16 to SD26 for the storage status.
(SD16
SD1616, SD17
SD1617, SD18
SD1618,
SD19
SD1619, SD20
SD1620, SD21
SD1621, SD22
SD1622,
SD23
SD1623, SD24
SD1624, SD25
SD1625, SD26
SD1626)
S (Each END)
SD16 to
SD26
SD1617
SD1618
SD1619
SD1620
SD1621
SD1622
SD1623
SD1624
SD1625
SD1626
SD1650
Switch status
CPU module
switch status
• Stores the CPU module switch status.
• Refer to SD200 for the storage status.
(SD1650
SD200)
S (Each END)
SD200
SD1651
LED status
CPU module -LED
status
• Stores the CPU module's LED status.
• Shows 0 when turned off, 1 when turned on, and 2 when flicking.
• Refer to SD201 for the storage status.
(SD1651
SD201)
S (Each END)
SD201
SD1653
CPU module
operation status
CPU module
operation status
• Stores the CPU module operation status.
• Refer to SD203 for the storage status.
(SD1653
SD203)
S (Each END)
SD203