|
[China]
Trade Verify
Address: 701, Yongchang Building, Xicheng Industrial Zone, Xixiang, Bao'an District, Shenzhen, China 518126
Contact name:Sunny
Shenzhen Qianhai Lensen Technology Co., Ltd |
|
Verified Suppliers
|
|
|
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 - |
