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24V DC 2000mW Digital Signal Isolator 8ch RS485 Signal Converter

Basic Information
Place of Origin: China
Brand Name: LS
Certification: CE
Model Number: LS-TD4018
Minimum Order Quantity: 1pc
Price: negociate
Packaging Details: standard
Delivery Time: 3-6 days
Payment Terms: T/T, Western Union, Paypal
Supply Ability: 10000pcs
Input: Analog Or TC Output: RS485
Mounting Way: Din-rail Mounting Power Supply: 24V DC
Input Type: 8 Channels 3-wire Input Resolution: 16 Bit
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2000mW Digital Signal Isolator


RS485 Digital Signal Isolator


2000mW Digital Signal Converter

24V DC 2000mW Digital Signal Isolator 8ch RS485 Signal Converter


Signal Converter 8ch Analog Signal Convert to RS485 Analog Data Acuisition Module


1. General Introduction

The LS-TD4018 is an industrial grade analog acquisition product that supports measure range with -15mV ~+15mV, -50mV~50mV, -100mV~+100mV, -500mV~+500mV, -1V~+1V, -2V~2V, -20mA~20mA and J type, K, T, E, R, S, B, N type TC signal 8 channels input. It adopts standard MODBUS RTU protocol. Complaint with industry standards, LS-TD4018 is suitable to use for a variety of industrial applications and automation systems. It is convenient to communicate with the host computer and realize a rapid networking and build your monitoring system.


J -200~1200℃ R -50~1760℃
K -200~1350℃ S -50~1760℃
T -200~400℃ B 400~1820℃
E -200~1000℃ N -200~1300℃


2. Parameter

Technique parameter Description
Power supply 9~30V DC
Input ranges -15mV~+15mV,-50mV~50mV,-100mV~+100mV,-500mV~+500mV, -1V~+1V, -2V~2V, -20mA~20mA and J type, K, T, E, R, S, B, N type TC signal
Advantage Each channel supports independent configuration (8 channels can be set separately)
Input type 8 channels 3-wire input
Collect frequency AD collecting frequency≤10Hz(total rate)
Resolution 16 bit
Accuracy class ≤ ±0.1%(wiring cable errors not included)
Input impedance Voltage 20MΩ, current 100Ω
Interface RS-485

Default Modbus-RTU,support 8N1, 8O1, 8E1.

Compatible with kinds of SCADA software, PLC

If you need MODBUS-ASCII or other, please specify when placing order

Baud rate 1200bps, 2400bps, 4800bps, 9600bps, 19200bps, 38400bps, 57600bps, 115200bps
Distance RS485 distance<1000m, can use repeater
Stability Use high quality chips inside, built-in dual watchdog, reliable and stable operation
Protection level Power Pin polarity protection, input Pin photoelectric isolation, AD input Pin and communication port ±15KV ESD protection, isolation voltage 2500Vrms, 500DC continuous, lightning protection, surge protection
Power consumption <2000mW
Weight 0.3kg
Mounting way Standard 35mm U-shaped Din rail installation


3. Default factory settings

For your convenience, our factory default parameters setting is as follows:

a. Device address: 1;

b. The baud rate: 9600bps;

c. ModBus-RTU protocol, data format: 8N1;


4. Pin Definition

Pin No. Pin name Description
1 IN5+ Ch 5 analog input +
2 IN5- Ch 5 analog input -
3 IN6+ Ch 6 analog input +
4 IN6- Ch 6 analog input -
5 IN7+ Ch 7 analog input +
6 IN7- Ch 7 analog input-
7 DATA+ RS485 +
8 DATA- RS485-
9 +VS Power supply + (9-30VDC)
10 GND Ground of power supply
11 IN0+ Ch 0 analog input +
12 IN0- Ch 0 analog input -
13 IN1+ Ch 1 analog input +
14 IN1- Ch 1 analog input -
15 IN2+ Ch 2 analog input +
16 IN2- Ch 2 analog input-
17 IN3+ Ch 3 analog input +
18 IN3- Ch 3 analog input -
19 IN4+ Ch 4 analog input +
20 IN4- Ch 4 analog input -



Contact Details

Phone Number : +8613826574847

WhatsApp : +8613826574847