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CHAPTER9 DEVICES
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9.4 Link Direct Device
(4) Differences between link direct devices and link refresh
For network parameters, common parameters, and network refresh parameters, refer to the following.
• Details:
Network manual for each network module
• Setting method:
GX Developer Version 8 Operating Manual
Table9.9 Differences between link direct devices and link refresh
Item Link direct device Link refresh
Description on
programs
Link relay
J \K4B0 or higher
B0 or higher
Link register
J \W0 or higher
W0 or higher
Link special relay
J \K4SB0 or higher
SB0 or higher
Link special register
J \SW0 or higher
SW0 or higher
Number of steps 2 steps 1 step
Range of network module access
J\0 to J\3FFF
Range specified by refresh parameters
Guaranteed access data integrity Word (16-bit) units
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