Mitsubishi Electric MELSEC-L LD75P User Manual page 185

Positioning module

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(2) Starting history configuration

Information related to the start are stored in Starting history with pointers 0 to 15. Starting history is configured as

shown below.

Start infor mation

Start year: month

Start day: hour

Start min: sec

Error judgement

Start history pointer

Indicates a pointer No. that is next to the Pointer No.

assigned to the latest of the existing starting history records.

Each group of buffer memory addresses storing a complete

starting history record is assigned a pointer No.

Buffer memory

Example: Pointer No. 0 = Buffer memory addresses 1212 to 1216, 1440

Pointer No. 1 = Buffer memory addresses 1217 to 1221, 1441

Pointer No. 2 = Buffer memory addresses 1222 to 1226, 1442

Pointer No. 15 = Buffer memory addresses 1287 to 1291, 1455

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.)

CHAPTER 5 DATA USED FOR POSITIONING CONTROL

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Melsec-l ld75d