Mitsubishi Q2ACPU, User Manual, Page: 466 / 570

App - 69
APPENDICES
(12)For redundant system (Other system CPU information *1)
SM1600 to SM1650 only valid for the CPU redundant system backup mode, so they
cannot be refreshed during the separate mode.
Either the backup mode or the separate mode is valid for the SM4651 to SM1699.
SM1600 to SM1699 are all turned off for stand-alone system.
*1 Stores other system CPU diagnostic information and system information.
*2 This shows the special relay(SM ) for the host system CPU.
Table App. 2.13. Special relay
Number Name Meaning Explanation
Set by
(When Set)
Corresp
onding
Host
SM
*2
Corresponding
CPU
SM1600 Diagnosis error
OFF : No error
ON
: Error
• Turns on if a error occurs in the diagnosis results.
(Including external diagnosis)
• Remains on even if returns to normal thereafter.
S (Each END) SM0 Q4AR
SM1601 Self diagnosis error
OFF : No self diagnosis
error
ON : Self diagnosis error
• Turns on when an error occurs in the self-diagnosis
results.
• Remains on even if returns to normal thereafter.
S (Each END) SM1 Q4AR
SM1605
Error common
information
OFF : No error common
information
ON : Error common
information
• Turns on when there is error common information
and the SM1600 is on.
S (Each END) SM5 Q4AR
SM1616
Error individual
information
OFF : No error individual
information
ON : Error individual
information
• Turns on when there is error individual information
and the SM1600 is on.
S (Each END) SM16 Q4AR
SM1653 STOP contact STOP status • Turns on when in the STOP status. S (Each END) SM203 Q4AR
SM1654 PAUSE contact PAUSE status • Turns on when in the PAUSE status. S (Each END) SM204
Q4AR
SM1655 STEP-RUN contact STEP-RUN status • Turns on when in the STEP-RUN status. S (Each END) SM205
Q4AR