12 - 23 12 - 23
MELSEC
12 APPLICATION FUNCTIONS
POINT
(5) The multiple network modules are installed on the target station
Specify the network number and station number of the network module which is to
be received request from the own station.
Specify 1N
S
2 in the following example. (2M
P
1 cannot be specified.)
1M
P
1
1N
S
2
1N
S
3
1N
S
4
2M
P
1
2N
S
2
Network No.1
Network No.2
(Own station)
(Target station)
Specify 1N
S
2 as the target station.
2M
P
1 cannot be specified.
(6) When the target network is CC-Link IE Controller or CC-Link IE Field Network,
specify the transmission data within the range of 2 to 960 byte. When the data
larger than 960 byte is transmitted, an error will be occurred on the receive side
even though the transmission completed normally on the transmit side. For the
errors, refer to the following table.
Network Error
Board
No received data error (47
H
)
CC-Link IE Controller
Module
Network module error (E274
H
)
Not received
Transient data improper (D25D
H
)
Board
Received
No received data error (47
H
)
CC-Link IE Field
Module
Transient data improper (D25D
H
)
(2) RECV function
The RECV function reads data received by the board from the other station using
the mdReceive function.
< RECV function overview >
Board
Driver
User application
Channel 1
Channel 2
Channel 3
Channel 4
Channel 5
Channel 6
Channel 7
Channel 8
Sending station
Data sent from
other station by
the SEND
instruction
Received data
are stored to the
target station
channel specified
by the sending
station.
RECV
instruction
*1
Received data of Channel 3
Received data of Channel 7
Received data of Channel 1
Received data of Channel 5
Received data of Channel 4
Reception buffer of driver
Received data can
be stored up to 128
disregarding the channel numbers.
Read by the
mdReceive
function
Received data storage (data)
Send target network No.
Send source station No.
Send source channel No.
Received message
(Actual data)
*1: Executed automatically by the driver.
3
2
1
1
The board receives data sent from the other station by the
SEND instruction/SEND function, and stores data to the
target station channel specified at the sending side.
2
After the board receives the data, the driver automatically
executes the RECV instruction and stores the received data
to the reception buffer of the driver. All data received and
individually stored to channels of the board are stored to the
one reception buffer of the driver which can store up to 128
of data.
3
Reads data of the specified channel number in the received
order from the data stored in the reception buffer of the driver
using mdReceive function.
Summary of Contents for Q80BD-J71BR11
Page 2: ......
Page 24: ...A 22 A 22 MEMO ...
Page 50: ...4 6 4 6 MELSEC 4 FUNCTION MEMO ...
Page 92: ...6 36 6 36 MELSEC 6 PROCEDURE AND SETTINGS UP TO THE POINT OF OPERATION MEMO ...
Page 132: ...10 2 10 2 MELSEC 10 MELSEC DATA LINK LIBRARY MEMO 10 ...
Page 138: ...11 6 11 6 MELSEC 11 PROGRAMMING MEMO ...
Page 164: ...12 26 12 26 MELSEC 12 APPLICATION FUNCTIONS MEMO ...
Page 166: ...13 2 13 2 MELSEC 13 ERROR CODE MEMO 13 ...
Page 223: ......