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APP - 4
A
PPENDICES
Table 1.1 Special relay list (Continued)
No. Name Meaning Details
Set by
(When set)
Remark
SM528
No.1 CPU MULTR
complete
OFF to ON :
CPU No.1 read completion
• Turn ON when the data read from CPU No.1 is normal by
MULTR instruction.
SM529
No.2 CPU MULTR
complete
OFF to ON :
CPU No.2 read completion
• Turn ON when the data read from CPU No.2 is normal by
MULTR instruction.
SM530
No.3 CPU MULTR
complete
OFF to ON :
CPU No.3 read completion
• Turn ON when the data read from CPU No.3 is normal by
MULTR instruction.
SM531
No.4 CPU MULTR
complete
OFF to ON :
CPU No.4 read completion
• Turn ON when the data read from CPU No.4 is normal by
MULTR instruction.
S (Read completion)
SM801
Clock data read
request
OFF : Ignored
ON : Read request
• When this relay is ON, clock data is read to SD210 to
SD213 as BCD values.
U
(Note-1) : It is used for interlock condition of Multiple CPU high speed bus dedicated instruction when a synchronous system
set in Multiple CPU synchronous startup setting of system setting.
(Note-2) : The CPU No.1 is reset after the factor of the stop error is removed to cancel a stop error → Resetting is cancelled.