Serial Device Server

PC830

2 x RS232/422/485
Ethernet
WiFi

(more…)

2-port Modbus RTU/ASCII to Modbus TCP gateway with digital I/O

PD822M

Modbus TCP to RTU/ASCII
1 x RS232
1 x RS422/485
Modbus TCP DIO
Modbus RTU DIO
http CGI DIO
2 x Digital input
2 x Digital output
Ethernet
WiFi

(more…)

2-port Modbus RTU/ASCII to Modbus TCP gateway with digital I/O

PD830M

Modbus TCP to RTU/ASCII
1 x RS232/485/422
1 x RS232/485
Modbus TCP DIO
Modbus RTU DIO
http CGI DIO
2 x Digital input
2 x Digital output
1 x microSD
Ethernet
WiFi

(more…)

2-port Modbus RTU/ASCII to Modbus TCP gateway with digital input

PD824M

Modbus TCP to RTU/ASCII
1 x RS232
1 x RS422/485
Modbus TCP DIO
Modbus RTU DIO
http CGI DIO
4 x Digital input
Ethernet
WiFi

(more…)

1-port Modbus RTU/ASCII to Modbus TCP gateway

EM130WB

Discontinued

1 x RS232/RS485/RS422
WiFi
Modbus TCP to RTU/ASCII

(more…)

Serial Device Server

PC830L

2 x RS232/422/485
4 x LAN
Ethernet

(more…)

4-port Modbus RTU to Modbus TCP gateway

PiCM4M4

Ethernet, WiFi (optional)
4 x RS232/422/485
1 x Giga LAN
1 x 10/100 LAN
2 x USB 3.0
2 x USB 2.0
RTC, Buzzer, I2C, SPI, HDMI, Fan
(more…)

Raspberry Pi CM4 IoT Linux Programmable Controller with Digital Input Digital Output

PiCM4

Ethernet, WiFi, Bluetooth
1 x RS232/422/485
1 x RS232/485
GPIO, HDMI, I2C, SD, USB, RTC, Buzzer
M.2 (B or M Key)
Mini-PCIe (USB2.0)
1 x Digital input
1 x Digital output

(more…)

Raspberry Pi 4 IoT Linux Programmable Controller with Digital Input Digital Output

Pi640

Ethernet, WiFi, Bluetooth
1 x RS232/422/485
GPIO, HDMI, I2C, SD, USB, RTC, Buzzer
M.2 (for 5G/SSD)
Mini-PCIe (for 4G/LoRa)
1 x Digital input
1 x Digital output

(more…)

Raspberry Pi 4 IoT Linux Programmable Controller with Digital Input Digital Output

Pi641

Ethernet, WiFi, Bluetooth
1 x RS232/422/485
GPIO, HDMI, I2C, SD, USB, RTC, Buzzer
M.2 (for 5G/SSD)
Mini-PCIe (for 4G/LoRa)
8 x Digital input
4 x Digital output

(more…)

Raspberry Pi 4 IoT Linux Programmable Expansion Board with Digital Input Digital Output

Pi640EB

Ethernet, WiFi, Bluetooth
1 x RS232/422/485
GPIO, HDMI, I2C, SD, USB, RTC, Buzzer
M.2 (for 5G/SSD)
Mini-PCIe (for 4G/LoRa)
1 x Digital input
1 x Digital output

(more…)

Modbus RTU digital I/O

DM43 / DM43U

4 x Digital Input
3 x Digital Output
Modbus RTU DIO
1 x RS485
USB Virtual COM control (optional)

(more…)

LoRaWAN Gateway

LWG200

(more…)

Modbus RTU Analog Input to LoRaWAN Converter

LW200A8

4 channels 4~20 mA
4 channels 0~10 V
Modbus RTU
Auto polling Analog Input Sensor Data to LoRaWAN

(more…)

Modbus RTU Digital I/O to LoRaWAN Converter

LW200D

2 x Digital Inputs
2 x Digital Outputs
863 ~ 928 MHz
Modbus RTU

(more…)

Modbus RTU RS485/422/232 to LoRaWAN Converter

LW200R / LW200S

1 x RS232/485/422 (Auto detect)
863 ~ 928 MHz
Auto polling Modbus RTU device Data to LoRaWAN

(more…)

Serial to LoRa Passthrough

LR200S

1 x RS232/422/485

(more…)

4-port Modbus RTU/ASCII to Modbus TCP gateway

PM734

Discontinued
4 x RS232/422/485
Ethernet
Modbus TCP to RTU/ASCII

(more…)

2-port Modbus to MQTT Sparkplug B gateway over 4G with data logger

PMQ830SPB

Support MQTT Sparkplug B
1 x RS232/422/485
1 x RS232/485
Data logger
Ethernet
4G

(more…)

2-port Modbus RTU/ASCII and Modbus TCP to MQTT gateway

PMQ822

1 x RS232
1 x RS485/422
Ethernet
WiFi

(more…)

2-port Modbus RTU/ASCII and Modbus TCP to MQTT gateway

PMQ830

2 x RS232/485/422
Ethernet
WiFi

(more…)

Ethernet to LoRa

LR200E

1 x Ethernet

(more…)

Serial via USB to LoRa (USB Virtual COM)

LR200U

1 x USB

(more…)

2-port Modbus RTU/ASCII and Modbus TCP to MQTT gateway with data logger

PMQ830DL

2 x RS232/422/485
Data logger
Ethernet
WiFi

(more…)

2-port Modbus RTU/ASCII and Modbus TCP to MQTT gateway over 4G with data logger

PMQ830DLG

1 x RS232/422/485
1 x RS232/485
Data logger
Ethernet
4G

(more…)

8-port Modbus RTU/ASCII to Modbus TCP gateway

PM738

Discontinued
8 x RS232/422/485
Ethernet
Modbus TCP to RTU/ASCII

(more…)

Modbus TCP/RTU digital I/O

EM130WBD

Discontinued

2 x Digital input
4 x Digital output
Modbus TCP DIO
Modbus RTU DIO
1 x RS422/485
WiFi

(more…)

Modbus TCP digital I/O

PD384M

8 x Digital input
4 x Digital output
Modbus TCP DIO

(more…)

Modbus (MQTT) Gateway Models Comparison

Modbus TCP digital I/O

PD388M

8 x Digital Input
8 x Digital Output
Modbus TCP DIO

(more…)

Raspberry Pi CM3 CM4S IoT Linux Programmable Controller

PiCM4S

1 x RS232/422/485
2 x USB 2.0+1(onboard)
Ethernet
HDMI, RTC, Buzzer, I2C, mini-PCIe, SPI

(more…)

Raspberry Pi CM3 CAN bus IoT Linux Programmable Controller

PiCM3CAN

2 x CAN bus
2 x RS232/422/485
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe, SPI

(more…)

Raspberry Pi CM3 IoT Linux Programmable Controller

PiCM3

2 x RS232/422/485
2 x USB 2.0+1(onboard)
Ethernet
HDMI, RTC, Buzzer, I2C, mini-PCIe, SPI

(more…)

Serial Device Server

PC834

4 x RS232/422/485
Ethernet
WiFi
Isolation protection

(more…)

Raspberry Pi CM3 IoT Linux Programmable Controller with Digital Input Digital Output

PiCM3D84

2 x RS232/422/485
8 x Digital input
4 x Digital output
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe , SPI

(more…)

1-port Modbus RTU/ASCII to Modbus TCP gateway with Modbus TCP analog input

AM141

Modbus TCP to RTU/ASCII
1 x RS422/485
Modbus TCP analog input
4 x Analog inputs
Selective as 0~10 V DC and 4~20 mA by jumper settings
Ethernet

(more…)

1-port Modbus RTU/ASCII to Modbus TCP gateway over LoRa

LR200EM

Ethernet

(more…)

Raspberry Pi CM3 IoT Linux Programmable Controller with Digital Input Digital Output

PiCM3D88

2 x RS232/422/485
8 x Digital input
8 x Digital output
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe , SPI

(more…)

Raspberry Pi CM3 IoT Linux Programmable Controller with Digital Input Digital Output Analog Input

PiCM3D84A

1 x RS232/422/485
8 x Digital input
4 x Digital output
4 x Analog input
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe , SPI

(more…)

Modbus RTU Analog Input

AM140

TI chipset 16-bit resolution
4 x Analog input data acquisition
Selective as 4~20 mA and 0~10 V DC by jumper settings

(more…)

Modbus RTU Analog Input and Analog Output

AM142

Any combination of analog input and output
TI chipset 16-bit resolution (inputs)
4 x Analog input data acquisition
2 x Analog output
Selective as 0~10 V DC and 4~20 mA by jumper settings

(more…)

Modbus RTU digital I/O over LoRa

LR200DM

2 x Digital input
2 x Digital output

(more…)

Modbus RTU Analog Input

AM180

TI chipset 16-bit resolution
Total of 8 analog input data acquisition
4 x channels selective as 4~20 mA and 0~10 V DC by jumper settings
2 x channels 0~10 V DC
2 x channels 0~300 V DC

(more…)

2-port Modbus RTU/ASCII to Modbus TCP gateway

EM730

Discontinued

1 x RS232
1 x RS422/485
Ethernet
Modbus TCP to RTU/ASCII

(more…)

Linux OpenWRT Programmable Gateway

PD822P

Linux OpenWRT
1 x RS232
1 x RS485/422
2 x Digital Input
2 x Digital Output
Ethernet
WiFi

(more…)

Built-in Mediatek 7688 Linux OpenWRT Programmable Controller Models Comparison

Raspberry Pi CM3 IoT Linux Programmable Expansion Board

PiCM3EB

2 x RS232/422/485
Ethernet
2 x USB 2.0+1(onboard)
HDMI, RTC, Buzzer, I2C, mini-PCIe , SPI

(more…)

Linux OpenWRT Programmable Gateway

PD830P

Linux OpenWRT
1 x RS232/485/422
1 x RS232/485
2 x Digital Input
2 x Digital Output
1 x 4G-LTE
Ethernet
WiFi

(more…)