Mitsubishi Electric MELSEC-Q Series User Manual page 217

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Default value

Error history pointer

Indicates a pointer No. that is next to the pointer No. assigned to the latest of the existing error history records.

Axis in which the

error occurred

Axis error No.

Axis error occurrence

(Year: month)

Axis error occurrence

Axis error occurrence

(Minute: second)

Each group of buffer memory addresses storing a complete error history record is assigned a pointer No.

Example: Pointer No. 0 = Buffer memory addresses 4093 to 4096, 4256, 31300

Pointer No. 1 = Buffer memory addresses 4097 to 4100, 4257, 31301

Pointer No. 2 = Buffer memory addresses 4101 to 4104, 4258, 31302

Pointer No. 15 = Buffer memory addresses 4153 to 4156, 4271, 31315

Each history record is assigned a pointer No. in the range between 0 and 15.

If the pointer No. 15 has been assigned to a new record, the next record will be assigned the pointer number 0.

(A new record replaces an older record when a pointer No. is reassigned.)

Buffer memory address

31301 31302 31303 31304 31305 31306 31307 31308 31309 31310 31311 31312 31313 31314 31315

Chapter 5 Data Used for Positioning Control