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MELSEC-Q
4 WHEN THE QCPU ACCESSES THE OTHER STATION PLC USING THE
DATA LINK INSTRUCTION
(3) Program examples
Station 3 uses channel 3 with an SEND instruction and sends data to station 15
using channel 5.
When data is received at station 15, data is read from channel 5.
Q/ QnACPU
E71 (Station number 3)
QCPU
SEND
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
E71 (Station number 15)
RECVS
Network number 7
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
(a) Station 3 program (SEND instruction)
Same as the program shown in Section 4.5.1.
(b) Program for station number 15 (RECVS instruction)
When the input/output signals of the Ethernet module are X/Y00 to X/Y1F
Local station storage channel
X19: Initial normal completion
signal
REMARK
Create interrupt enable/disable programs in the main program in order to start the
interrupt program.
Use the EI, DI and IMASK instructions for this.
To check the descriptions of errors, see the completion status (S1) + 1 indicated in
the control data.
Содержание QJ71E71-100 Series
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