Sharp JW-20CM Manuale Utente
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[Example 2] In case of reading data of 8 bytes to slave station 01
(8)
Module number installing own station JW-20CM : 2
Channel number using own station JW-20CM : 0
Data area of slave station 01
(8)
: 0 (file number)
Send top address of slave station 01
(8)
: Register 19000 (file address 05000
(8)
)
Receive data top address of own station : 09000
Own station register
0 9 0 0 0
0 9 0 0 1
0 9 0 0 2
0 9 0 0 3
0 9 0 0 4
0 9 0 0 5
0 9 0 0 6
0 9 0 0 7
0 9 0 0 1
0 9 0 0 2
0 9 0 0 3
0 9 0 0 4
0 9 0 0 5
0 9 0 0 6
0 9 0 0 7
Receiving data
0 0 1
0 0 2
0 0 3
0 0 4
0 0 5
0 0 6
0 0 7
0 1 0
0 0 2
0 0 3
0 0 4
0 0 5
0 0 6
0 0 7
0 1 0
Target station register
1 9 0 0 0
1 9 0 0 1
1 9 0 0 2
1 9 0 0 3
1 9 0 0 4
1 9 0 0 5
1 9 0 0 6
1 9 0 0 7
1 9 0 0 1
1 9 0 0 2
1 9 0 0 3
1 9 0 0 4
1 9 0 0 5
1 9 0 0 6
1 9 0 0 7
Reading data
Sending
Response
Port 2
CH0
0 0 1
0 0 2
0 0 3
0 0 4
0 0 5
0 0 6
0 0 7
0 1 0
0 0 2
0 0 3
0 0 4
0 0 5
0 0 6
0 0 7
0 1 0
Assign target
station
station
Flag
0 1
(8)
Target Station
■ PC program
Set receiving relay (14000)
Port No.2, CH0, station number 01
(8)
File number 0
File address 05000
File address 05000
(8)
Receiving data of 8 bytes stored register
09000 and after
09000 and after
Detect non-execution after turning ON
power (Flag does not change for 1
second)
power (Flag does not change for 1
second)
End of execution and the program resets
14000
14000
F - 3 2
S E T
14000
Switch
00000
F – 4 4
F - 3 3
R S T
14000
T000
07355
07356
F – 4 4
F - 2 0 2
O P C H
2-0-01
file 0
T M R
0 0 0
F - 2 0 5
R C V
010
09000
0010
005000
Receiving relay
14000
14000 07354
Non-carry
07355
Error
Error
07356
Carry
Carry
07357
Zero
↑
↑