Mitsubishi Electric Q12DCCPU-V User Manual page 212

5
ACCESS VIA NETWORK MODULES
5.4.5
This section describes cyclic transmission and processing time of CC-Link IE controller
network modules.
(1) Cyclic transmission function
5
- 58 5.4 CC-Link IE Controller Network Module Access Function
5.4.5 Link data transfer processing time specifications
Link data transfer processing time specifications
This function allows periodic data communication between stations on the same
network, using link devices (LB/LW/LX/LY) of CC-Link IE controller network modules.
(a) Processing in cyclic transmission
In the following example, the link relay (B) data on the C Controller module side
are sent to the link relay (B) of another station's C Controller module.
1) B0 in the LB buffer (sending side) is set to ON.
2) By a link refresh, the B0 information in the LB buffer is stored in the link data
storage area (LB) of the sending side CC-Link IE controller network module.
3) By a link scan, the B0 information is stored in the receiving side CC-Link IE
controller network module's link data storage area (LB).
4) By a link refresh, the B0 information in the link data storage area (LB) is stored
in the LB buffer of the receiving side C Controller module.
5) B0 in the LB buffer (receiving side) is set to ON.
1)
B0 turns ON.
Sending side
C Controller module
Internal link
device buffer
<LB buffer>
2)
Link device
refresh cycle
Link device
refresh
*1
* 1 Refresh parameters must be set for link refreshes.
* 2 Network range assignment parameters must be set for link scans.
CC-Link IE controller CC-Link IE controller
network module
LB
3)
Link
scan
Link data
storage area *2
Figure 5.58 Link data transfer processing
Q12DCCPU-V Q06CCPU-V
5)
B0 turns ON.
Receiving side
network module C Controller module
Internal link
device buffer
LB <LB buffer>
4)
Link data
storage area *2
Link device
refresh
*1
Q06CCPU-V-B
Link device
refresh cycle