Mitsubishi Electric GT16, Руководство пользователя, Страница: 1277 / 1306

63. MODBUS(R)/RTU CONNECTION
63.5 MODBUS/RTU Equipment Side Setting
63 - 5
60
CONNECTION T
O
MURA
T
E
C
CONTROLL
ER
61
MI
C
R
O
C
OMPUTER
CONNECTION (SE
R
IA
L)
62
MICR
OCOMPUTER
CONNECTION (E
T
HE
RN
E
T)
63
MO
D
B
US(R)/
R
T
U
CONNE
C
T
ION
64
MO
DBUS(R)/
TCP
CON
N
E
C
T
ION
65
V
NC(R) S
E
R
V
E
R
CONNECTION
63.5 MODBUS/RTU Equipment Side Setting
POINT POINT POINT
MODBUS/RTU equipment
For details of the MODBUS/RTU equipment, refer to
the manual of MODBUS/RTU equipment to be used.
63.5.1 Communication settings

Device setting items for GT Designer3

Function Code
The GOT supports the following function codes.
Item Description
Device
Set the device name, device number, and bit number.
The bit number can be set only when specifying the bit of
word device.
File No.
Set the file No.
The file No. can be set only when select 6 at
[Device].
Information
Displays the device type and setting range which are
selected in [Device].
Network
Set the station number of the controller to be monitored.
Host Select this item for monitoring the host controller.
Other
Select this item for monitoring other controllers.
After selecting the item, set the station number and
network number of the controller to be monitored.
NW No.: For the MODBUS
®
/RTU connection,
set "1".
For the MODBUS
®
/TCP connection,
set the network No.
Station No.: Set the station No.
Setting
of
station
No. 0
Set the station No. to 0 to write data to all the
controllers connected.
During monitoring, the host controller is monitored.
(When writing the data in numerical input, the data
is written to all connected controllers during input,
and the host controller is monitored during other
than input (displaying).)
Function Code Function
Number of device
that is accessible
with one
message
[Unit: point(s)]
0x01 Read Coils 1 to 2000
0x02 Read Discrete Inputs 1 to 2000
0x03 Read Holding Registers 1 to 125
0x04 Read Input Registers 1 to 125
0x05 Write Single Coil 1
0x06 Write Single Register 1
0x0F Write Multiple Coils 1 to 1968
0x10 Write Multiple Register 1 to 123
0x14 Read File Record 1 to 124
0x15 Write File Record 1 to 122