Extended Data Register (D) And Extended Link Register (W) - Mitsubishi Electric melsec q00ujcpu User Manual

Programmable controller

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9.8 Extended Data Register (D) and Extended Link Register

(1) Definition

The extended data register (D) and extended link register (W) are devices for using the large-capacity file register

(ZR) area as an extended area of the data register (D) and link register (W). These devices can be programmed

as the data register (D) and link register (W) together with the file register (ZR)

Device numbers can be assigned to the

data register and extended data register

consecutively.

Figure 9.78 Operation of the extended data register (D) and extended link register (W)

For the Q00UJCPU, the extended data register (D) and extended link register (W) cannot be used.

For using them for the Q02UCPU, Q03UDCPU, Q04UDHCPU, Q06UDHCPU, Q13UDHCPU, Q26UDHCPU, and

Built-in Ethernet port QCPU, check the version of GX Developer. (

Data register

Extended data

Internal user device

Points for data

File register file

data register

link register

The file size is the total

points for the file

link register.