Cc-Link Module - Mitsubishi Electric MELSEC Q Series User Manual

13.4.4

CC-Link module

Described below is the function to transmit data via CC-Link module.
(1) Available functions
The following functions are available through the CC-Link module.
(a) Available access methods
The following access methods are available.
Transmission
type
Cyclic transmission
Transient
transmission
(b) Available link devices
The following link devices are available.
• Remote input (RX)
• Remote output (RY)
• Remote relay (RWw)
• Remote register (RWr)
• Link special relay (SB)
• Link special register (SW)
(2) Direct access
Direct access is a method to directly access network module link device(s) from the user program. Network
module link device data are cyclic-transmitted to the other stations.
/* Data writing */
ret = mdSendEx();
ret = mdRandWEx();
ret = mdDevSetEx();
ret = mdDevRstEx();
/* Data read-out */
ret = mdReceiveEx();
ret = mdRandREx();
Access method
Direct access
Buffer memory access
Other station device access
C Controller module
User program
Direct access
CHAPTER 13 FUNCTIONS ACCESSED VIA A NETWORK MODULE
Q24DHC-V Q24DHC-VG
Page 217, Section 13.2.2, Page 237, (2) in this section
Page 219, Section 13.2.3,
Page 238, (3) in this section to Page 241, (5) in this
section
Page 223, Section 13.3.2
CC-Link
Link device
RX
RY
RWw
RWr
SB
SW
Q24DHC-LS Q26DHC-LS
Q12DC-V
Reference
237
13