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7
PROGRAMMING
7.2 Program for Refresh and for Receiving LRDP/LWTP Instruction
7 - 16
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
FUNCTIONS
5
PREPARATORY
PROCEDURES BEFORE
OPERATION
6
LINK DATA SEND/
RECEIVE PROCESSING
AND PROCESSING TIME
7
PROGRAMMING
8
TROUBLESHOOTING
Figure 7.15 Program example (Continued)
POINT
(1) After writing the program to the CPU module, turn OFF and ON the power
supply or reset the CPU module.
When the CPU module's RUN/STOP switch is set to RUN, the Q series local
station starts sending/receiving data to/from other stations. (Refresh ready
status (X7) turns ON/OFF.)
(2) Check the program for refresh.
<Examples of checking the program for refresh>
Check the following in the device batch monitor/test of GX Developer.
• Change the B/W0 value of the master station, and check if the B/W0
value of local station No.3 is changed.
• Change the B/W180 value of local station No.3, and check if the B/W180
value of the master station is changed.
(3) For programs for data link with other stations and the LRDP/LWTP instruction,
refer to the following manual.
Type MELSECNET, MELSECNET/B Data Link System Reference
Manual
Restores the relevant device data.
Restores the relevant device data.