N4A8I16 / N4A7K16 24-Channel RS485 Mixed I/O Module – Digital & Analog Data Acquisition for Industrial Automation

 

 

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)

Application

PLC IO expansion board


Smart Home,Home Automation ,Wiser Home;


Security Monitoring


Identification system;


LED Lamp Drivers


Automatic curtain control


Analog temperature and humidity sensors

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