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| CPU: | 32-bit ATMEL ARM, 72MHZ | OS: | GCOS,10ms Scheduling Mechanism |
|---|---|---|---|
| Power: | 7-35VDC @2W, Power Supply Reverse Protection, Isolation Design | Installation: | DIN Rail Mounting Or Screw Fixing |
| Working Environment: | -40℃～85℃，5%～95%RH(non-condensing) | Protection: | IP20 |
| IO: | DI, DO, AI, PT100 | ||
| High Light: | remote transmission unit,gsm remote terminal unit |
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SCADA RS485 Ethernet Modbus RTU IO Module For Remote Data Acquisition
CWT-MB series Modbus IO module series with multi-channel DI/DO/AI/PT100 input. This module is designed for the whole industry, power supply, signal inputs and outputs, RS232 and RS485 interface(option Ethernet), interference protection designed to ensure data accuracy and reliability. RS485 communication interface performs MODBUS RTUprotocol, can be directly connected with the various types of PLC, DCS system, operator panel and a variety of configuration software.
System parameters
| CPU | 32-bit ATMEL ARM, 72MHZ |
| OS | GCOS,10ms scheduling mechanism |
| Power | 7-35VDC @2W, power supply reverse protection, isolation design |
| Installation | DIN rail mounting or screw fixing |
| Working Environment | -40℃~85℃,5%~95%RH(non-condensing) |
| Protection | IP20 |
| Watchdog | 1.5m guard |
Series port parameters
| Port type | 1RS485 & 1RS232 |
| Protection | DCDC isolation design, 2500V lightning protection, ESD, overvoltage, overcurrent protection |
| Baud rate | 1200~115200,default 9600 |
| Parity | Even, Odd, None |
| start bit | 1 bit |
| data bits | 8 bit |
| Stopbits | 1,2bits |
| Protocol | MODBUS RTU |
| default | 9600.N.8.1,slave id is 1 |
Analog input
| Input type | 4~20mA<default>,option: 0~20mA/0~5/1~5/0~10V |
| Precision | 0.1%,16 bit |
| Refresh rate | 0.01m |
Digital input
| ON signal level | 5-30VDC,6mA@24VDC |
| OFF signal level | 0-3VDC |
| Protection | optocoupler isolation, 2500V lightning protection, overvoltage, overcurrent protection |
| sample rate | 0.01m |
Digital output
| Output type | normal open relay or Transistor output |
| Isolation | optocoupler isolation& relay isolation |
| Resistive load | 5A/250VAC, 5A/30VDC |
| Response time | ≤0.01s |
PT100 Input
| Input type | PT100 |
| Precision | 0.1℃ |
| Measure range | -200℃ to 320℃ |
