Mitsubishi Electric MELSEC-Q Series - Chapter 4 Functions; Cyclic Transmission Function

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CHAPTER 4 FUNCTIONS
4
4.1 Cyclic Transmission Function
CHAPTER 4 FUNCTIONS
This chapter describes the functions of the CC-Link IE Controller Network module.
4.1 Cyclic Transmission Function
Using the link devices (LB/LW/LX/LY) of the CC-Link IE Controller Network module, data can be transferred
periodically between stations on the same network.
(1) Processing of cyclic transmission
The following is an example where link relay data (B) of a CPU module are sent to a link relay (B) of a CPU
module on another station.
1. B0 of the sending-side CPU module turns ON.
2. The B0 information is stored in the link device (LB) of the CC-Link IE Controller Network module
by link refresh.
3. The B0 information of the link device (B) is stored in the link device (LB) of the receiving-side CC-
Link IE Controller Network module by a link scan.
4. The B0 information is stored in the device (B) of the CPU module by link refresh.
5. B0 of the receiving-side CPU module turns ON.
*1 Set it with refresh parameters. ( Page 204, Section 6.5)
*2 Set it in the network range assignment of the control station. ( Page 183, Section 6.3)
Link
scan
3.
Sending side
Sequence scan
Sequence scan Sequence scanSequence scanSequence scan Sequence scan
Device
2.
Link refresh
*1
ENDENDEND
ENDENDEND
CPU module
B
Link
device
*2
LB
CC-Link IE Controller
Network module
Receiving side
Device
4.
Link refresh
*1
CPU module
B
Link
device
*2
LB
X0
B0
1.
B0
Y10
5.