8
·
51
8
D7 D6 D5 D4 D3 D2 D1 D0
コ0740 07 06 05 04 03 02 01
コ0741 17 16 15 14 13 12 11 10
コ0742 27 26 25 24 23 22 21 20
コ0743 37 36 35 34 33 32 31 30
コ0744 47 46 45 44 43 42 41 40
コ0745 57 56 55 54 53 52 51 50
コ0746 67 66 65 64 63 62 61 60
コ0747 77 76 75 74 73 72 71 70
▲
▲
▲
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.