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Appendices, Table 1.1 special relay list (continued) – MITSUBISHI ELECTRIC MOTION CONTROLLERS Q172DCPU User Manual

Page 139

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APP - 4

APPENDICES

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.

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