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| Categories | Digital Signal Isolator | 
|---|---|
| Brand Name: | LS | 
| Model Number: | LS-TD4018 | 
| Certification: | CE | 
| Place of Origin: | China | 
| MOQ: | 1pc | 
| Price: | negociate | 
| Payment Terms: | T/T, Western Union, Paypal | 
| Supply Ability: | 10000pcs | 
| Delivery Time: | 3-6 days | 
| Packaging Details: | standard | 
| 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 | 
| Company Info. | 
| Shenzhen Qianhai Lensen Technology Co., Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
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 | 
| Protocol | 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 - | 
|   | 
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