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 - |
Product Tags:
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LS-TD4018 24V DC 2000mW 8ch RS485 Analog Data Acuisition Module Images
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