24CH Digital Analog Mixed Acquisition Module RS485 Remote I/O Module 0-20MA 4-20MA 0-10V 0-30V Current Voltage ADC Collector
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Specifications
- Brand Name
- eletechsup
- Model Number
- N4A8I16_N4A7K16
- Origin
- Mainland China
- High-concerned chemical
- None
- Condition
- New
- Type
- Relay
- is_customized
- Yes
- Choice
- yes
- semi_Choice
- yes
Product Description
Product Name: 16DO 4DI 8AI RS485 Modbus RTU Analog Digital 4-20MA 0-10V Current Voltage Collector Module PLC IO Expanding Board
Package inlcuded:
1PCS DC 12V/24V 8AI-4DI-16DO Multi-function Analog Digital RS485 Acquisition Module
(Specific according to the version and quantity you choose)
Description:
1 Working voltage: DC 7-25V (DC 9V 12V 24V)
2 Working current: 12-20MA,
3 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)
4 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)
5 Support standard Modbus RTU command, function code: write 05/06/15/16 read 01/02/03/04
6 With hardware restore factory settings function, with TVS anti-surge protection
7 In MODBUS command mode, it can support up to 64 devices in parallel
8 The default baud rate is 9600BPS, the baud rate can be selected by command 2400 4800 19200 38400 57600 115200BPS
9 You can choose the parity mode is no parity, even parity and odd parity
10 You can set the data sending return time, the maximum can be set to 1000ms
11 Size 126 * 72 * 12mm (circuit board) 129 * 82*36mm (with rail box):
12 Weight: 73 grams (circuit board); 165 grams (with rail box)
2 Working current: 12-20MA,
3 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)
4 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)
5 Support standard Modbus RTU command, function code: write 05/06/15/16 read 01/02/03/04
6 With hardware restore factory settings function, with TVS anti-surge protection
7 In MODBUS command mode, it can support up to 64 devices in parallel
8 The default baud rate is 9600BPS, the baud rate can be selected by command 2400 4800 19200 38400 57600 115200BPS
9 You can choose the parity mode is no parity, even parity and odd parity
10 You can set the data sending return time, the maximum can be set to 1000ms
11 Size 126 * 72 * 12mm (circuit board) 129 * 82*36mm (with rail box):
12 Weight: 73 grams (circuit board); 165 grams (with rail box)
For more information, please open the link and download:
//1drv.ms/u/s!Av4PLxH_z8f1tQH01cN8GQJjGso0?e=R1xUVk
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 126mm PCB boards
Net weight: 92g
Installation: DIN35 and C45 rail
//1drv.ms/u/s!Av4PLxH_z8f1tQH01cN8GQJjGso0?e=R1xUVk
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 126mm PCB boards
Net weight: 92g
Installation: DIN35 and C45 rail
Application
PLC IO expansion board
Smart Home,Home Automation ,Wiser Home;
PTC Camera
Security Monitoring
Identification system;
IP Camera
LED Lamp Drivers
Automatic curtain control
Smart Home,Home Automation ,Wiser Home;
PTC Camera
Security Monitoring
Identification system;
IP Camera
LED Lamp Drivers
Automatic curtain control
Version 1 (N4A8I16) Wiring Diagram
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 NPN switch output
Version 2 (N4A7K16) Wiring Diagram
7-channel 0-20MA current analog input
1 channel 0-30V voltage analog input
4-channel photoelectric isolation switch input (compatible with NPN/PNP)
16-channel 300MA Darlington tube NPN switch output
Product information last updated on February 9, 2026