Programmable Controller User's Manual

8·51

Ｄ７Ｄ６Ｄ５Ｄ４Ｄ３Ｄ２Ｄ１Ｄ０

ｺ0740 ０７０６０５０４０３０２０１

ｺ0741 １７１６１５１４１３１２１１１０

ｺ0742 ２７２６２５２４２３２２２１２０

ｺ0743 ３７３６３５３４３３３２３１３０

ｺ0744 ４７４６４５４４４３４２４１４０

ｺ0745 ５７５６５５５４５３５２５１５０

ｺ0746 ６７６６６５６４６３６２６１６０

ｺ0747 ７７７６７５７４７３７２７１７０

▲

All stations

communication

Communication condition

with slave station 77(8)

Communication condition

with slave station 70(8)

Communication condition

with slave station 10(8)

All stations normal communication

All stations

communication

07400

Slave station 77(8)

normal communication

Slave station 77(8)

07477

(2) Flag

Flag area is 8 bytes from the “flag top address” set in the master station JW-20CM parameter, monitor

communication condition.

Example: In this case the flag top address is file address 000740

(8)

(ｺ0740)

① All stations communication flag

When the master module JW-20CM is communicating normally with the preset number of slave

stations, this flag will be ON.

② Individual communication flag

The flags corresponding to the slave stations, which are communicating normally with the master

module JW-20CM will be ON.