Mitsumi electronic NZ2GF-ETB ユーザーズマニュアル
67
CHAPTER 7 COMMUNICATION OF THE ETHERNET ADAPTER MODULE
7
7.1 SLMP Co
mmunication and C
yclic Tra
nsmission
7.1.2 C
ommunication deta
ils
7.1.2
Communication details
The following SLMP message is sent from the external device to the Ethernet adapter module.
• By Read (command: 0401), 32-bit data in RY0000 to RY001F (Y0000 to Y001F) are read out.
• By Write (command: 1401), 2-word data (1234
• By Write (command: 1401), 2-word data (1234
H
and 5678
H
) are written to RWr0000 to RWr0001 (W1000 to
W1001).
Through cyclic transmissions, data in link devices of the Ethernet adapter module are periodically exchanged with the
CPU module's devices.
CPU module's devices.
(1) Communication settings
(2) SLMP commands
Item
Setting
Protocol
TCP/IP
TCP connection type
Unpassive
Communication data
code
code
Binary code
Item
Command
Subcommand
Description
Type
Operation
Device
Read
0401
0000
Reads values from bit devices (of consecutive device
numbers) in units of 16 points.
numbers) in units of 16 points.
Write
1401
0000
Writes values to word devices (of consecutive device
numbers) in units of one point.
numbers) in units of one point.
External device
Configuration tool
Master station
Master station
Ethernet adapter
module
CPU module
Master/local module
X
Y
W
RX
RY
RWw
RWr
RX
RY
RWw
RWr
SLMP
Cyclic
transmission
Ethernet adapter
module
0000
001F
RY
Data reading
XXXX
H
XXXX
H
SLMP
Data writing
0000
1234
H
0001
5678
H
RWr