2. CC-Link IE Field Network Basic/SLMP
2 - 4
2.3.1 Message format
The following shows the request message format to be used when the master station (controller) sends a
message, and the response message format to be used when the slave stations (servo amplifiers) return a
message.
Messages are sent by using UDP/IP.
(1) Request message format
Ethernet
header
Link device (for 16 stations)
(RY, RWw)
Command,
etc.
CCIEF
Basic
header
UDP
header
IP
header
(2) Response message format
Slave
station
notification
information
Ethernet
header
Link device
(RX, RWr)
CCIEF
Basic
header
UDP
header
IP
header
2.3.2 Link device
In cyclic communication, communication data of the request message and response message is read as
object data (RWwn, RWrn, RYn, RXn) of the servo amplifier. Table 2.1 and 2.2 list initial settings.
The setting of the response message can be changed. When changing it from the initial setting, refer to
section 7.4.6.
Table 2.1 RYn/RXn mapping (supporting the position/speed/torque control mode, profile mode, and home
position return mode)
Master station → Servo amplifier (RYn)
Servo amplifier → Master station (RXn)
(Note)
Device No.
Device
Symbol Remark
(Note)
Device No.
Device
Symbol Remark
RYn0 to RY
(n + 3) E
Not used
RXn0 to RX
(n + 3) E
Not used
RY (n + 3) F Cyclic communication ready
command
CSR
RX (n + 3) F Cyclic communication ready
SSR
Note. "n" depends on the station No. setting.
Содержание MR-JE-C Series
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