Updated: 16 Feb 2025

rs485 collectors

Updated: 16 Feb 2025

#1

Best Choice
RS485,RS485 Modbus RTU Relay Module,8DO 4DI 8AI RS485 Modbus RTU Multifunction Relay Module PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector (24V with DIN Box)

9.8

Generic

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Main highlights

Upgraded Features: Supports 01 02 03 04 05 06 16 function code; Support more baud rates, can modify the parity bit; Hardware reset to factory settings (RESET jumper); Upgraded relays (more durable); TVS anti-surge protection.

DIN rail Box parameters: Product model: UM72; Color: Green; Width: suitable for PCB board width UM72(72mm); Insulation grade: flame-retardant VO grade; Backplane length: suitable for 168mm PCB boards; Net weight: 120g; Installation: DIN35 and C45 rail.

DC 12V (12V Version),DC 24V (24V Version); Size: 168*72*12mm(Only PCB Board);174*82*40mm(with Din Rail Box); Weight: 165g(Only PCB Board);285g(with Din Rail Box); Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
#2

Value for Money
Signal Acquisition Card 4-20mA to RS485 Collector Analog Quantity Acquisition Module 8-channel AI Input Current Voltage TD-4017(RS485 usb)

9.7

ZIQINQIN

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Main highlights

Thermostats
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#3
Temperature Sensor Module 4ch PT100 RTD RS485 Temperature Sensor Board RTU Collector PTA8C04 with Rail Housing (B500 DC24V)

9.6

Eujgoov

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Main highlights

WITH FITTINGS: Temperature sensor module with acquisition is equipped with rail and housing, convenient for you to use

TYPICAL APPLICATIONS: Modules can be used for constant temperature control, industrial systems, consumer products, thermal systems, measuring instruments, indoor and outdoor temperature measurement, vegetable garden temperature, weather forecast and monitoring, room temperature, warehouse temperature

CONNECTABLE MODULES: A maximum of 247 modules can be cascaded by modifying the 485 address(use R485 repeater for more than 16 modules)
#4
Taidacent K Type Thermocouple Module MODBUS RS485 MAX6675 Temperature Sensor Acquisition Temperature Collector Module MODBUS Communication (RS485 to USB Module)

9.3

Taidacent

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Main highlights

Working voltage: 5V

Resolution: 0.5 degrees Celsius

Measuring temperature range: 0~1024℃
#5
DONGKER XY-MD04 Temperature Humidity Sensor Probe,DC 5V-28V RS485 Collector Module Built-in SHT40 Sensor for Communication Control Room

9.1

DONGKER

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Main highlights

XY-MD04 is a temperature humidity sensor probe made of metal material with built-in SHT40 sensor.

Custom Control Instructions

By using the RS485 interface and MODBUS communication protocol, the measured temperature and parameter values are read through instructions.
#6
Signal Acquisition Card 4-20mA to RS485 Collector Analog Quantity Acquisition Module 8-channel AI Input Current Voltage TD-4017(RS485 usb)

9.0

CEMELI

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Main highlights

Thermostats
#7
24 Channel RS485 Modbus RTU Expanding Board,24 Channel 16DO 4DI 8AI RS485 Modbus RTU Analog Digital 4-20MA 0-10V Current Voltage Collector Module PLC IO Expanding Board (4AI-4VI with Box)

8.8

Aoyygg

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Main highlights

Working voltage: DC 7-25V (DC 9V 12V 24V); Working current: 12-20MA; Size 126*72*12mm (circuit board) 129*82*36mm (with rail box); 12 Weight: 73 grams (circuit board); 165 grams (with rail box)

Version 2 (N4A7K16) 7-channel 0-20MA current analog input, 1-channel 0-30V voltage analog input, 4-channel photoelectrically isolated switch input (compatible with NPN/PNP), 16-channel 300MA Darlington tube output (can Direct Drive Relay Solenoid LED)

Version 1 (N4A8I16) 4-channel 0-20MA current analog input, 2-channel 0-10V voltage analog input, 2-channel 0-30V voltage analog input, 4-channel photoelectric isolation switch input (compatible with NPN/PNP), 16-channel 300MA Darlington tube output (can directly drive relay solenoid valve LED)
#8
eletechsup 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module (16CH Only Board)

8.7

eletechsup

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Main highlights

Working voltage: DC 7-25V (DC 12V/24V)

Working current: standby 6-8MA, working current 10-30MA

Support standard Modbus RTU command, function code: write 06/16 read 03/04
#9
485 Repeaters Industrial Photoelectric Isolation Hubs 2Channel RS485 Collector Distributor Divider

8.6

Shurhome

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Main highlights

Supports RS485 bus speed 0-500KBps, transmission, rate adaptived.

Equipped with power indicators light and data transmission indicators light.

DIN35mm industrial card Rails installation, with a 120ohm terminals resistance switches at the output end, can be selected according to needs for convenience and speed.
#10
4ch DC 12V 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector (1PCS A 24V with Rail Box)

8.5

eletechsup

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Main highlights

MODBUS RTU protocol, 03 read command, 06/16 write command.

By modifying the 485 address, up to 247 modules can be cascaded (more than 16 please use R485 repeater)

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rs485 collectors

RS485,RS485 Modbus RTU Relay Module,8DO 4DI 8AI RS485 Modbus RTU Multifunction Relay Module PLC IO Expanding Board 4-20MA 0-10V Analog Current Voltage Collector (24V with DIN Box)

9.8

Main highlights

Signal Acquisition Card 4-20mA to RS485 Collector Analog Quantity Acquisition Module 8-channel AI Input Current Voltage TD-4017(RS485 usb)

9.7

Main highlights

Temperature Sensor Module 4ch PT100 RTD RS485 Temperature Sensor Board RTU Collector PTA8C04 with Rail Housing (B500 DC24V)

9.6

Main highlights

Taidacent K Type Thermocouple Module MODBUS RS485 MAX6675 Temperature Sensor Acquisition Temperature Collector Module MODBUS Communication (RS485 to USB Module)

9.3

Main highlights

DONGKER XY-MD04 Temperature Humidity Sensor Probe,DC 5V-28V RS485 Collector Module Built-in SHT40 Sensor for Communication Control Room

9.1

Main highlights

Signal Acquisition Card 4-20mA to RS485 Collector Analog Quantity Acquisition Module 8-channel AI Input Current Voltage TD-4017(RS485 usb)

9.0

Main highlights

24 Channel RS485 Modbus RTU Expanding Board,24 Channel 16DO 4DI 8AI RS485 Modbus RTU Analog Digital 4-20MA 0-10V Current Voltage Collector Module PLC IO Expanding Board (4AI-4VI with Box)

8.8

Main highlights

eletechsup 24CH 12-bit ADC Collector Board MODBUS RTU PLC IO 22CH 4-20MA Current & 2CH 0-30V Voltage Input RS485 AI Module (16CH Only Board)

8.7

Main highlights

485 Repeaters Industrial Photoelectric Isolation Hubs 2Channel RS485 Collector Distributor Divider

8.6

Main highlights

4ch DC 12V 24V -40~500 Celsius PT100 RTD RS485 Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector (1PCS A 24V with Rail Box)

8.5

Main highlights

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