modbus over wifi gateway, rs485 modbus rtu gateway

System Feature

• Adopted highly integrated industrial 32-bit ARM MCU
• Reliable performance with built-in double watchdog, 24×7 operation
• Support signal fileter
• Network-reconnect and retransmission to ensure data accurately transmit
• Automatically or manually update interior clock by sms or NTP or server
• Can set multiple timers(second, minute, day, week, month) to execute actions, e.g. output, upload data, change setting
• Support Interlock programming, Event trigger
• Provide console utility for visual programming over 100 parameters
• Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power lost

DI feature

• Monitor dry contact(NO or NC)

DO(T) feature

• Open-collector output(drive voltage=power supply voltage, Drive current≤500mA)
• on/off/pulse DO by remote control or local event
• Remember status when power lost

DO(K) feature

• Relay NO contact output(load: 2A / 125VAC,220VDC)
• on/off/pulse DO by remote control or local event
• Remember status when power lost

AI feature

• Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
• Convert signal to actual measure value,support adjustment
• Can set parameters for value processing, alarm, data transmission
• Signal lost alarm

SMS feature

• Can add 10 administrator numbers for alarm and remote control
• Any device alarm status can be sent by sending sms
• All alarm and recover sms text can be edited
• Can send sms command to request any channel status or value
• On/off/pulse output by sending sms
• Sms report any IO channel’s status or value on schedule
• Remote setting via sms commands
• Can query SIM card balance, sms forward
• Sms alar for power lost and recover

Wireless network communication

• Option network: cellular(2g/3g/4g) or Wi-Fi
• Communicate with up to 4 servers(IP or domain) by TCP/IP
• Support post or respond mode for data communication
• Support http post, Modbus TCP, CWT protocol over cellular or Wi-Fi
• Support two-way data transparent transmission with RS485 or RS232

Modbus feature

• Can be modbus master read/write salve over RS485
• Can work as a modbus slave to be read/write by master(HMI, SCADA etc.)
• Run Modbus RTU or TCP protocol over GPRS/3G

Wireless Remote Monitoring Solutions

Whatever term you use for Telemetry, whether it's remote monitoring, M2M, Machine2Machine, Machine2Man or even Man2Machine then CWT wire free telemetry products will serve you well. Our Telemetry Solutions have been designed with the user in mind, so they are cost-efficient, easy to configure and install.

We can interface to machines in different ways, whether it be via process signals, or serial communications, including Modbus.

Benefits of Telemetry

This ‘Internet of Things’ telemetry technology offers rapid payback, delivering operational, environmental and financial benefits, from cutting delivery miles, to reacting in good time to warnings of machinery breakdown, leakage, theft, run-outs and safety breaches.

Why choose CWT

CWT award-winning Telemetry Solutions are proven globally, in a range of sectors including chemical & petrochemical, food distribution and production, transport, water & waste, environmental and factory automation.

“We were looking for a robust telemetry system and platform to replace our infield monitoring and critical remote alarm equipment. We picked Powelectrics as our preferred supplier and Metron View as our new solution to replace all our infield remote monitoring and alarm systems. Working with the Powelectrics Team is a real breath of fresh air, they listen to our needs, help us with our challenges and provide a really robust solution. They are flexible and understanding – we are quite demanding! We wouldn’t hesitate to recommend them and their solutions – a great company to partner with for our critical system needs.” Technical Manager