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Signal Converter 6ch RTD signal Convert to RS485 PT100 to RS485 Temperature Transmitter
General Introduction
The LS-TD4015 is an industrial grade standard RTD acquisition product that supports PT100, PT1000, Cu50, Cu100, Ge53, BA1, BA2, R5000 and R500 6-channel three-wire RTD inputs. RS485 interface is optoelectronic isolated. AD acquisition part is also modulus optoelectronic isolated. It adopts standard MODBUS RTU protocol. Complaint with industry standards, LS-TD4015 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.
Thermal resistance supports:
| PT100 | -200~850℃ | BA1 | -200~650℃ |
| PT1000 | -200~850℃s | BA2 | -200~650℃ |
| CU50 | -50~150℃ | R5000 | 0~5000Ω |
| CU100 | -50~150℃ | R500 | 0~500Ω |
| Ge53 | -50~150℃ |
Parameter
| Technique parameter | Description |
| Power supply | 9~30V DC |
| Input ranges | PT100,PT1000,Cu50,Cu100,Ge53,BA1,BA2,R5000 and R500 |
| Excitation current | 250uA |
| Advantage | Each channel supports independent configuration (6 channels can be set separately) |
| Input type | 6 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 | 20MΩ |
| Interface | RS-485 |
| Protocol | Default Modbus-RTU,support 8N1, 8O1, 8E1. Data format: SCADA software, PLC, compatible with ADAM-4015+. 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 |
Pin Definition
| Pin No. | Pin name | Description |
| 1 | COM4 | Ch 4 COM port |
| 2 | RTD4- | RTD input ch4- |
| 3 | RTD4+ | RTD input ch4+ |
| 4 | COM5 | Ch 5 COM port |
| 5 | RTD5- | RTD input ch5- |
| 6 | RTD5+ | RTD input ch5+ |
| 7 | NC | NC |
| 8 | NC | NC |
| 9 | NC | NC |
| 10 | DATA+ | RS-485 A |
| 11 | DATA- | RS-485 B |
| 12 | +VS | Power supply +(9~30V) |
| 13 | GND | Power supply -(ground of power) |
| 14 | RTD0+ | RTD input ch0 + |
| 15 | RTD0- | RTD input ch0 - |
| 16 | COM0 | Ch0 Com port |
| 17 | RTD1+ | RTD input ch1+ |
| 18 | RTD1- | RTD input ch1- |
| 19 | COM1 | Ch1 Com port |
| 20 | RTD2+ | RTD input ch2+ |
| 21 | RTD2- | RTD input ch2- |
| 22 | COM2 | Ch2 Com port |
| 23 | RTD3+ | RTD input ch3+ |
| 24 | RTD3- | RTD input ch3- |
| 25 | COM3 | Ch3 Com port |
| 26 | GND | GND |
