Mitsubishi Electric MELSEC-Q Series User Manual page 195

10 DEVICES
10 - 37
(3) Differences between "link direct devices" and "link refresh"
The differences between "link direct devices" and "link refresh" are shown in
Table 10.4 below.
Table 10.4 Differences Between "Link Direct Devices" and "Link Refresh"
Item
Link relay
Program
Link register
notation
Link special relay
method
Link special register
Number of steps
Network module access range
Access data guarantee range
REMARK
1) For details regarding the MELSECNET/H network system, refer to the For Q
MELSECNET/H Network System Reference Manual.
2) For details regarding network parameters, common parameters, and network
refresh parameters, refer to the following manuals:
• Detailed information : Q Corresponding MELSECNET/H Network System
• Setting procedures : GX Developer Operating Manual, Windows Version
Link Direct Device
J \K4B0 or later
J \W0 or later
J \K4SB0 or later
J \SW0 or later
2 steps
All network module link
devices
Reference Manual
MELSEC-Q
Link Refresh
B0 or later
W0 or later
SB0 or later
SW0 or later
1 step
Refresh parameter
designated range
Word units (16 bits)
10 - 37