N4AIA08/N4AIB16/N4AIC24 8-24CH 4-20mA Current Transducer – RS485 Modbus RTU Analog Input Module with 12-bit ADC for PLC SCADA

Features:




1 Working voltage: DC 7-25V (DC 12V/24V)
2 Working current: standby 6-8MA, working current 10-30MA
3 Support standard Modbus RTU command, function code: write 06/16 read 03/04
4 With hardware reset function, RS485 with TVS anti-surge protection, anti-reverse power supply and self-recovery fuse
5. In MODBUS command mode, up to 64 devices can be used in parallel
6 The default baud rate is 9600BPS, the baud rate can be selected by command 1200 2400 4800 19200 38400 57600 115200BPS
7 You can choose the check mode is no check, even check and odd check
8 You can set the data sending return time, the maximum can be set to 1000ms
9 Maximum load: 10A/250VAC, 10A/125VAC, 10A /30VDC, 10A /28VDC, 10A /12VDC






N4AIA08 version:
8-channel 0-20MA/4-20MA acquisition
Dimensions 47*72*12mm (circuit board) 49*82*40mm (box with guide rail):
Weight: 33 grams (circuit board); 77 grams (box with rails)

N4AIB16 version:
15 channels 0-20MA/4-20MA acquisition and 1 channel 0-30V voltage acquisition;
Size 77* 72 * 12mm (circuit board) 79* 82*40mm (with rail box):
Weight: 54 grams (circuit board); 116 grams (with rail box)

N4AIC24 version:
22-channel 0-20MA/4-20MA acquisition and 2-channel 0-30V voltage acquisition;
Size 99* 72 * 12mm (circuit board) 101* 82*40mm (with rail box):
Weight: 70 grams (circuit board); 146 grams (with rail box)

Interface definition:




VIN : Power input+
GND: Power input-
I1: Current input channel 1
I2: Current input channel 2
I3: Current input channel 3
I4: Current input channel 4
I8: Current input channel 8
I15: Current input channel 15
I22: Current input channel 22

V1+: Voltage input channel 1


V2+: Voltage input channel 2

A+: RS485 signal A+
B-: RS485 signal B-

Application

PLC Output expansion board



Smart Home,Home Automation ,Wiser Home;



PTZ CCTV Camera



Security Monitoring



Identification system;



PT100 K P Thermocouple Sensor



Automatic curtain control



4-20MA current instrumentation


0-10V/24V Voltage


instrumentation