10
DEVICE EXPLANATION
10.4 Link direct device
10 - 58
9
Parameters
10
Device Explanation
11
CPU Module Processing
Time
12
Procedure for Writing
Program to CPU ModuleAppendicesIndex
(4) Differences between "link direct devices" and "link refresh"
The differences between "link direct devices" and "link refresh" are shown in
Table10.12.
Remark
1. For details on the CC-Link IE controller network system, refer to the following
manuals:
CC-Link IE Controller Network Reference Manual
2. For details on the MELSECNET/H network system, refer to the following
manuals:
Q Corresponding MELSECNET/H Network System Reference Manual
(PLC to PLC network)
Q Corresponding MELSECNET/H Network System Reference Manual
(Remote I/O network)
3. For details on network parameters, common parameters, and network refresh
parameters, refer to the following manuals:
• Detailed information :
CC-Link IE Controller Network Reference Manual
Q Corresponding MELSECNET/H Network System Reference
Manual (PLC to PLC network)
Q Corresponding MELSECNET/H Network System Reference
Manual (Remote I/O network)
• Setting procedures :
GX Developer Operating Manual
Table10.12 Differences Between "Link Direct Devices" and "Link Refresh"
Item Link Direct Device Link Refresh
Program
notation
method
Link relay
J \K4B0 or later
B0 or later
Link register
J \W0 or later
W0 or later
Link special relay
J \K4SB0 or later
SB0 or later
Link special register
J \SW0 or later
SW0 or later
Number of steps 2 steps 1 step
Network module access range
J \ 0 to 3FFF
Refresh parameter
designated range
Access data guarantee range Word units (16 bits)