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Input: | Analog Or TC | Output: | RS485 |
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Mounting Way: | Din-rail Mounting | Power Supply: | 24V DC |
High Light: | 8ch Analog Data Acuisition Module,2000mW Analog Data Acuisition Module,RS485 Analog Signal Convert |
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 - |
Contact Person: Sunny
Tel: +8613826574847
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