LS-RDIO0404 Wireless I/O module

Contact: Sunny Phone: 13826574847 Email: sunny@lensen-tech.com
LS-RDIO0404 Modbus RTU
Contact: Sunny
Whats APP: 86-13826574847
Skype: lensen-tech@outlook.com
Email: sales@lensen-tech.com
Web：www.lensen-tech.com
Add: Xixiang, Baoan, Shenzhen, China

1. LS-RDIO series module general introduction
LS-RDIO Modbus RTU is an industrial controller designed by Lensen Technology. It
supports point to point, point to multi-points wireless DI, DO, AI, AO collection and
control. This transceiver has the advantage of easy installation, no program required,
no communication fee. It is reliable and cost-effective substitution for rail signal cable,
slip ring signal wire.
LS-RDIO0404 has 4 inputs 4 relay outputs and 1 RS485(wireless RS485 customized).
Power output we have 2 versions, one is 100mW for 1km LOS control distance, and
another one is 1W for 3km LOS control distance.
2. Application Field
LS-RDIO series I/O module is widely used in industry automation like factory central
data process, pump control, tank level monitoring, Conveyor Control,oil monitoring,
mining machinery, environment monitoring equipment, lifting devices, robots control,
filling machine, mixing equipment, logistic line, AGV etc.
3. About Item Name

4. Parameter of RDIO0404
Parameter
Power output: 1W or 100mW version
Power supply： 9V-30V (usually choose 24V DC or 12V DC)
Control distance: 3km or (1km version)
Baud rate: 2400bps default
Receiving sensibility: -123dBm@1200bps, -118dbm(9600bps)
Networking
Networking: Point to point and point to multipoints
Port Description
Input: 4 active inputs(passive customize)
Output:
4 relay outputs,
contact max load AC250V/5A，DC30V/5A
(active outputs 0-5V customize)
Communication port RS485 (wireless RS485 customize)
Current
Transmit current: <600mA (or 100mA version)
Receiving current: <50mA (or 20mA version)
General
Frequency: 433MHz, 400, 450, 470 or other band
Channel No： 16 channels,can change via DIP switch
Physical Properties
Dimension: 115×90×40(mm)
Antenna Connector: SMA，vehicle antenna with 1.5m cable
Temperature: 35℃~+75℃( industrial)
Mounting method: Standard 3.5 inch industrial guild rail

5. LS-RDIO series I/O control application example
1) Point to point control
Remarks:
Module A Module B Input and Output Correspondence
A（DI1-DI8） B（DO1-DO8） DI1-DI8 of A to control DO1-DO8 of B respectively
A（DO1-DO8） B（DI1-DI8） DO1-DO8 of A is controlled by DI1-DI8 of B respectively
Notes: A and B should use the same channel

2) One master to control 2 slaves
Remarks：
Master Module Slave Module Input and Output Correspondence
A（DI1-DI4） B1（DO1-DO4） DI1-DI4 of A control DO1-DO4 of B1 respectively
A（DI5-DI8） B2（DO1-DO4） DI5-DI8 of A control DO1-DO4 of B2 respectively
A（DO1-DO4） B1（DI1-DI4） DO1-DO4 of A is controlled by DI1-DI4 of B1
A（DO5-DO8） B2（DI1-DI4） DO5-DO8 of A is controlled by DI1-DI4 of B2

3) One master to control 4 slaves
Remarks：
Master Slave Input and Output Correspondence
A（DI1-DI2） B1（DO1-DO2） DI1-DI2 of A control DO1-DO2 of B1
A（DO1-DO2） B1（DI1-DI2） DO1-DO2 of A controlled by DI1-DI2 of B
A（DO3-DO4） B2（DI1-DI2） DO3-DO4 of A controlled by DI1-DI2 of B2

4) One master to 8 salves
Remarks:
Master Salve Input and control correspondence
A（DI1） B1（DO1） DI1 of A control DO1 of B1
A（DI4） B4（DO1） DI4of A control DO1 of B1
A（DO1） B1（DI1） DO1 of A is controlled by DI1 of B1
A(DO8) B8(DI1) DO8 of A is controlled by DI1 of B8
Note: module A and B should use the same channel；

5) To communicate with PC/PLC
6. Modbus RTU communication and value calculation
A. Register types：
Register types Read
command
Write command
(Control command)
Power off Function
coil register 0x01 Input --not support
Output-support
Not keep Can read input value
Hold register 0x03
1) Coil register:
Input: it is not convenient to read 8 I/O at one time. In order to control each I/O
correspondingly, we defined coil register. The register address is 0x0000-0x0007.
Output: it is not convenient to control 8 I/O at one time. In order to control each I/O
correspondingly, we defined coil register whose address is 0x0020-0x0028.
Note: The coil is not extra resource, just a method for register addressing---addressing by bit.
2) Holding register:
a. value of input channels: 0x0000
Note: addressing by bit means we only use the first 8 bits; bit0 to bit7 corresponds with I /
O1 to I / O8;
b: feedback and value of output channels: 0x0040

Note: addressing by bit means bit 0 corresponds with 1/O1, bit 7 corresponds with 1/O8, bit
8-bit 15 corresponding value we write 0.
3) Reading method:
Coil register: Directly read the responding register. 1 means OFF, 0 means ON.
Holding register: Can read all 8 inputs state one time. We only use bit0-bit7 of this 16-bit
register; each bit represents the state of an input.
4) Control methods:
a. Use the coil--- directly writes the corresponding coil register you can control corresponding
output.
b. Use the holding register--- eight outputs share 1 holding register, so you can manage each bit
separately to control the responding output.
B. About register control
IC Read/
write
Function
code
Products apply
Channel IC type PLC ID Modbus ID
DI1
Coil reg. 1 0 read 01
RDIO0202
RDIO0404
RDIO0808
Holding reg. 40001.0 0.0 read 03
DI2
DI3
RDIO0404
RDIO0808
DI4
DI5
RDIO0808
DI6
DI7
DI8
DO1
Coil reg.
33 32 Read/
write
01/05
RDIO0202
RDIO0404
RDIO0808
Holding reg.
40065.0 64.0 Read/
write
03/06
DO2
Coil reg.
34 33 Read/
write
01/05
Holding reg.
40065.1 64.1 Read/
write
03/06
DO3
Coil reg.
35 34 Read/
write
01/05
RDIO0404
RDIO0808
Holding reg.
40065.2 64.2 Read/
write
03/06

DO4
Coil reg.
36 35 Read/
write
01/05
Holding reg.
40065.3 64.3 Read/
write
03/06
DO5
Coil reg.
37 36 Read/
write
01/05
RDIO0808
Holding reg.
40065.4 64.4 Read/
write
03/06
DO6
Coil reg.
38 37 Read/
write
01/05
Holding reg.
40065.5 64.5 Read/
write
03/06
DO7
Coil reg.
39 38 Read/
write
01/05
Holding reg.
40065.6 64.6 Read/
write
03/06
DO8
Coil reg.
40 39 Read/
write
01/05
Holding reg.
40065.7 64.7 Read/
write
03/06

7. DIP Setting：
1) Outer(right side)DIP 1-4 are used for channel setting. Please check the following definition
Channel
No.
DIP Setting
Channel
No.
DIP Setting
Channel
No.
DIP setting
Channel
No.
DIP setting
1
1234
2
1234
3
1234
4
1234
5
1234
6
1234
7
1234
8
1234
Above sample in picture is CH1
2) Outer(right side)DIP 5-8 are used for mode setting. Please check the following definition
DIP Status Function Remarks
5
OFF Conventional modules
ON Customized modules
6、7 OFF、OFF 1 to 1 control Slave module’s ID set to 1
6、7 OFF、ON 1 to 2 slaves control 2 slave modules’ ID set to 1 and 2 respectively
6、7 ON、OFF 1 to 4 slaves control 4 salve modules’ ID set to 1, 2, 3 and 4 respectively
6、7 ON、ON 1 to 8 slave control 8 slave modules’ ID set to 1, 2, 3, 4, 5, 6, 7 and 8
respectively
8
OFF Slave mode
ON Master mode

3) Interior(left side) DIP 1-8 are used for module’s ID setting (also Modbus slaves’ ID.), for
example
ID DIP setting ID DIP setting ID DIP setting
1 2 3
4 5 6
7 8 9
10 11 12
13 14 15
DIP for slaves with ID 16-254, please refer the above regulation to set
Note: Above sample in picture is ID1
8. How to connect LS-RDIO series Modbus RTU

9. LS-RDIO series how to choose proper item：
Item No. Distance I/O numbers Power supply Interface
LS-RDIO 0202
600m、3000m
2DI、2DO
9-36V DC RS-485LS-RDIO 0404 4DI、4DO
LS-RDIO 0808 8DI、8DO

LS-RDIO0404 Wireless I/O module

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