Wecon LX3V-ETH-BD Manuel utilisateur

WECON

LX3V-ETH-BD

User manual

Website: http://www.we-con.com.cn/en

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LX3V-ETH-BD

FUZHOU FU CHANG WECON ELECTRONICS TECHNOLOGY CO., LTD.

1. The installation instructions

Before the installation make sure that the PLC host and the equipment connected to bd board have

been powered off. Please install the BD module in the corresponding position of the PLC, and lock the four

standard screws. In case of the dust interference, please cover BD right part by PLC’s cover.

Note:

1) Install the board firmly on the PLC. Poor contact may cause malfunction.

2) The suggested tightening torque is 0.3-0.6 N.m.

Warning:

1) Disconnect the power supply before installing/removing the board and wiring in case of electric

shock or product damage.

2) The After completing the installation and wiring, do not replace the PLC top cover before turning

on the power.

Supported version:

LX3VP：25103 , 16050;LX3VE：25201, 16050.

LX3VP：25105、16000 or higher version，LX3VE：25203, 16000 or higher version.

2. Key Features

1) Maximum number of connections 8, regardless of master and slave.

2) The current protocol only supports: MODBUS-TCP.

3. The shape and terminal description

1) The case of one BD board

2) The case of two BD board

LX3V-ETH-BD

FUZHOU FU CHANG WECON ELECTRONICS TECHNOLOGY CO., LTD.

3) Light

Note:

When the power light and the com light blink simultaneously (1 Hz), that means the PLC does not

support Ethernet BD.

4. The use of instructions

4.1 RS instruction

Table 4- 1

Name

Function

16 bit

Pulsed

Instruction format

Steps

RS2

Transfer serial data

√

RS2 S m D n n1

Table 4- 2

Operand

Bit device

Word device

KnY

KnM

KnS

√

1) Sis the address of slave (high byte) and communication command (low byte, defined by MODBUS

protocol);

2) mis the starting address number of the slave;

D is the length of the data (read or write), the unit is word. (The specific setting is shown in the

following table 4-2);

Table 4- 2

Function code

Length

Length (HEX)

Write coils

1968

0x7B0

Read coils

2000

0x7D0

Write registers

123

0x7B

Read registers

125

0x7D

POW: power light, normal state is always bright when

connected.

COM: the flicker frequency corresponds to communication with

plc.

DATA: data light blinks if the communication with network is ok

LINK: when connect to the network then the light is lit, if the

connect is not ok, there will be exterminated or chaotic situation.

LX3V-ETH-BD

FUZHOU FU CHANG WECON ELECTRONICS TECHNOLOGY CO., LTD.

3) nis the starting address of the storage unit for reading or writing data, occupying the subsequent

address unit, and the length is determined by the “D”;

4) n1 is the connection number corresponding to the Ethernet port connection number (specific

settings is shown as the following table 4-3).

Table 4- 3

Ethernet port 1

Connection number

Ethernet port 2

Connection number

Connection 1

1000

Connection 1

1100

Connection 2

1001

Connection 2

1101

Connection 3

1002

Connection 3

1102

Connection 4

1003

Connection 4

1103

Connection 5

1004

Connection 5

1104

Connection 6

1005

Connection 6

1105

Connection 7

1006

Connection 7

1106

Connection 8

1007

Connection 8

1107

If n1 is set as k1002, then RS2 is configured for Ethernet port 1 , connection 3. When x1 is ON, the

data is shown as below.

Instruction format:

00 03(numbers of transmission), means has sent 3 times;

00 06(the length of Modbus instruction, like 01 03 00 64 00 04;

01 03(station number and function code); 00 64(starting address0; 00 04(the length of address)

4.2 CPAVL Instructions

Table 4- 4

Name

Function

16 bit

Pulsed

Instruction format

Steps

CPAVL

Communication port parameters

√

CPAVL S D M

Table 4- 5

Operand

Bit device

Word device

KnY

KnM

KnS

√

RS2 instruction

The sending 00 03 00 00 00 06 01 030 00 64 00 04

Description: Read the data of the slave ranges from 100 to 103,

and transfer the data toD4,D5,D6,D7.

LX3V-ETH-BD

FUZHOU FU CHANG WECON ELECTRONICS TECHNOLOGY CO., LTD.

1) Sis the starting address of the D device parameter table ranges from D0 to D7999. ( try to store in

the latched area in case of data loss).

2) Dis the starting address of the M device parameter table ranges from M0 to M3071. ((try to store

in the latched area in case of data loss).

3) Mis the connection number, set the number according to the Ethernet port. ( See the table

below for specific settings).

Table 4- 6

Connection number description

CPAVL

instruction

port

Connection number

Ethernet port 1

1000

Ethernet port 2

1100

Note:

Only need one CPAVL instruction to configure multiple connections. The RS instruction needs to be

used for the corresponding connection

5. Ethernet parameter settings

The parameters of LX3V-ETH-BD module are configured by the CPAVL instruction. The specific address

of the D device and M device in the CPAVL instruction is shown in the following table.

5.1 D Device

Table 5- 1

Word

address

D device

Description

Others

Read or

write

S+0

Version

Parameters

for BD

module

S+1

IP for BD module

IP Section 1

R/W

S+2

IP Section 2

R/W

S+3

IP Section 3

R/W

S+4

IP Section 4

R/W

S+5

Port

Default value is K502

R/W

S+6

Gateway

Gateway section 1

R/W

S+7

Gateway section 2

R/W

S+8

Gateway section 3

R/W

S+9

Gateway section 4

R/W

S+10

Subnet mask

Subnet mask section 1

R/W

S+11

Subnet mask section 2

R/W

S+12

Subnet mask section 3

R/W

S+13

Subnet mask section 4

R/W

S+14

MAC

MAC section 1

S+15

MAC section 2

S+16

MAC section 3

LX3V-ETH-BD

FUZHOU FU CHANG WECON ELECTRONICS TECHNOLOGY CO., LTD.

S+17

MAC section 4

S+18

MAC section 5

S+19

MAC section 6

S+20

Reserved

R/W

S+21

Total disconnect

time

When plc serves as slave, and there is no

communication within specific time, then

the communication will be disconnected.

Unit: S (seconds), Default: 0 (10 seconds)

R/W

S+22

Number of

connections (max 8)

R/W

S+23

Protocol

Communication protocol

Parameters

for

connection 1

R/W

S+24

Slave IP

IP section 1

R/W

S+25

IP section 2

R/W

S+26

IP section 3

R/W

S+27

IP section 4

R/W

S+28

Port

Default is K502

R/W

S+29

Reserved

R/W

S+30

Command send

interval

Default is 0.1 ms

R/W

S+31

Reserved

R/W

S+32

Disconnect time

When plc serves as slave, and there is no

communication within some time, then

the communication will be disconnected.

Unit: S (seconds), Default: 0 (10 seconds)

R/W

S+33

Reserved

R/W

S+34

Timeout

R/W

S+35

Protocol

Communication protocol

Parameters

for

connection 2

R/W

S+36

Slave IP

IP section 1

R/W

S+37

IP section 2

R/W

S+38

IP section 3

R/W

S+39

IP section 4

R/W

S+40

Port

Default is K502

R/W

S+41

Reserved

R/W

S+42

Command send

interval

Default is 0.1 ms

R/W

S+43

Reserved

R/W

S+44

Reserved

R/W

S+45

Reserved

R/W

S+46

Timeout

R/W

LX3V-ETH-BD

FUZHOU FU CHANG WECON ELECTRONICS TECHNOLOGY CO., LTD.

S+47

……

*1. Disconnect time : only LX3VP(25105,16003）and LX3VE（25203,16003）or higher version can

support this function.

Disconnect time : When plc serves as slave, and there is no communication within specific time(it can

be configured in the program), then the communication will be disconnected.

When the disconnect time of each slave device is non-zero, then the "disconnect time" of each slave

device is used.

When the disconnect time of each slave device is non-zero, and the "total disconnect time" is not zero,

then the "total disconnect time" is used.

1) IP, gateway, subnet mask settings example

For example the IP address is 192.168.1.35, set as follows:

Word address

Decimal

Hexadecimal

The IP address of BD

module

192

168

MAC display description: 192.168.1.35 51-5b-a8-59-55-68 dynamic

2) Number of connections

The maximum number of connections is 8

The setting of connection number: The number of settings should be the same as the number of

connections.

If the connection number is exceeded, user will get error code in D8067 (means the value is exceeded)

3) Protocol setting

Table 5- 2

Protocol

Value

MODBUS-RTU Slaves

02H

MODBUS-RTU Main site

20H

When LX3V-ETH-BD serves as a slave, user could switch the master equipment.

The specific situation is: when the Ethernet BD serves as a slave, and reach the number of of

connection, one of the master equipment is disconnected, user could connect another master device.

Note:

No need to configure IP address when LX3V-ETH-BD serves as a slave.

LX3V-ETH-BD

FUZHOU FU CHANG WECON ELECTRONICS TECHNOLOGY CO., LTD.

5.2 M Device

Bit address

Description

D+0

Reserved

connection 1

Configuration

D+1

Instruction execution

D+2

Instruction execution state

D+3

Communication error flag

D+4

Reserved

D+5

Reserved

D+6

Reserved

D+7

Reserved

D+8

Reserved

D+9

Timeout flag

D+10

Reserved

connection 2

Configuration

D+11

Instruction execution

D+12

Instruction execution state

D+13

Communication error flag

D+14

Reserved

D+15

Reserved

D+16

Reserved

D+17

Reserved

D+18

Reserved

D+19

Timeout flag

D+20

…

5.3 Special device description

When BD board is properly installed and there is no problem with BD board, user could check the BD

Board model in D8170 and D8171.

Table 5- 3

Special address

Description

D8170

Expansion port 1 BD Board Model

D8171

Expansion port 2 BD Board Model

LX3V-ETH-BD

FUZHOU FU CHANG WECON ELECTRONICS TECHNOLOGY CO., LTD.

Note:

The special device could display all BD board model. As the picture shown above, the Ethernet BD

model is HFF20（K -224）according to the position.

6.Examples

6.1 MODBUS Master

1) Ethernet parameter setting

Configure the IP address as 192.168.1.36

Configure port as 502

Configure gateway as 192.168.1.1

Configure subnet mask as 255.255.255.0

Connection number is 2

LX3V-ETH-BD

FUZHOU FU CHANG WECON ELECTRONICS TECHNOLOGY CO., LTD.

2) The parameter setting of two devices connected with the LX3V-ETH-BD

3) Send and receive data to two connected devices

Device 1

Device 2

The protocol of device 1: Modbus master

The IP of the slave is 192.168.1.35

Configure Port number as 502

Configure timeout as 100ms

The protocol of device 2: Modbus master

The IP of the slave is 192.168.1.11

Configure Port number as 502

Configure timeout as 100ms

Station number 01, function code 10(write word)

The start address for writing is 1

The length of address is 1

Write the data of D600 to address 1 in device 1

that is connected with Ethernet port 1

Station number 01, function code 0F(write word)

The start address for writing is 2

The length of address is 10

Write 10 data starting from D800 to the 10

address starting from address 2 in device 2 that

is connected with Ethernet port 1

Use the Ethernet port 1, and the parameter

table start from D300 and0 M300

Table des matières

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