User`s manual

Chapter 5 - Initializing the GP

GP-477R/577R Series User's Manual

5-4

*1 Data Memory (DM) refers to OMRON Co.'s PLC ; Data Register (D) refers to Mitsub-

ishi Electric Co.'s PLC.

SYSTEM AREA SETUP is necessary for the PLC to administer the GP, and

prepare the PLC internal Data Memory (DM) and Data Register (D)

. Use

this setup to prepare the desired SYSTEM DATA AREA items. When

using the Memory Link format, this setting is unnecessary.

PLC Connection Manual

Press the item number, and when the item is highlighted, it has been selected.

Reference

DATA TYPE OF SCREEN NO.

This setup controls whether BIN or BCD format numbers are used when

making screen changes. Screen numbers 1~8999 are available when set up

in binary format; screen numbers 1~1999 are available when set up in BCD

format.

System Area Size

This field displays the total number of words used for the items selected

from the SYSTEM AREA SETUP (Write 1 to 5 and Read 6 to D).

When you press the Confirm key, the SYSTEM AREA CONTENTS screen ap-

pears to confirm the selected items

• The setup shown is enabled only when using the Direct Access format.

• The selected System Area items, as displayed on the screen, become the

System Data Area.

When these five items, "Current Screen Num

ber", "Error Status", "Clock Data

(Current)", "Change Screen Number", and "Display ON/Off", have been se-

lected, word addresses are assigned to each item, in order, as shown on the

next page.

2. SYSTEM AREA SETUP

Note: