Modbus RTU DI/DO Controller

• RS-485 interface control 
• USB interface control is an option
• Act as a Modbus Slave device receiving command from Modbus Master
• Support 4 DI / 3 DO
• Utility support for configuration

System

• CPU : 8 bits CPU
• RAM : 2 KB SDRAM
• ROM : 32 KB Flash ROM

Serial Interface (to control DI/DO)

• Port number :  1
• Port Type :  RS-485
• Connector : 2-pin Terminal Block
• Speed :  9600 bps ~ 115.2 Kbps
• Parity :   None , Odd , Even
• Data Bit : 8
• Stop Bit : 1, 2
• Protection :  RS-485 Surge Protection

USB Interfaces (FTDI chipset)

• Port number: 1
• Port type: Com port

Software Features

• Protocol : Modbus RTU
• OS Supported : Win 10                          
• Configuration :  Window Utility

Digital I/O

• Digital Input    : 4 (active High / Low selectable)
• Digital Output : 3 (active High / Low selectable)   
• DO x 3 : Relay output, 125V AC@ 0.5A, 30V DC@ 1A
• DI   x 4 : 3000 VDC Isolation Protect
• Wet contact : Logic level 0 : 0~2 V, Logic level 1 : 5 ~ 20V
• Dry contact : Logic level 0 : close to GND, Logic level 1 : open

Environment 

• Temperature :  Operating: -10°C ~ 70°C, Storage: -15°C ~ 75°C
• Humidity :        Operating: 10% ~ 95% non-condensing, Storage: 5% ~ 95% non-condensing

Power 

• DC 5 ~24V, 100mA@ 12VDC
• USB bus Power: 5V@ 300mA

Warranty

• Warranty period : 1 year.

Product Image:

click above photo to get large view.

Data Sheet:

DIO-43-Modbus_RTU_DataSheet_202012a.pdf

User's Manual:

pending

Drivers:

upon request.