4 20ma to modbus tcp converter, modbus tcp to rtu converter

System Feature

• Cortex M3 32-bit ARM
• Double watchdog to ensure stability
• With signal filtering mechanisms
• Network-reconnect and retransmission to ensure data accurately transmit
• Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server
• Configurable action schedule(second, minute, day, week, month)
• Support Interlock programming, Event trigger
• Easy used GUI configure software for setting up to 100 parameters
• Optional inside lithium battery for power lost alarm and keep 8-20 hours working

DI feature

• Monitor dry contact(NO or NC)

DO(T) feature

• Relay drivable output(drive voltage=power supply voltage, Drive current≤500mA)
• Remote or local event activate DO on/off/pulse
• 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
• Remain down status when power lost

AI feature

• Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
• Transduce 4-20mA(0-5V) to actual value
• Can set parameters for value processing, alarm, data transmission
• Detect connect or disconnect to alarm

SMS feature

• Support 10 cell phone numbers for alarm and control
• Sms alarm when any IO channel triggered or out of preset normal range
• All alarm and recover sms text can be edited
• Remote get device status or value by sending sms command
• On/off/pulse output by sending sms
• Sms report any IO channel’s status or value on schedule
• Remote update parameters by sms
• Sms remind for sim card overdue
• Power lost and recover alarm by sending sms

Wireless network communication

• Optianal onboard GPRS, 3g, 4g, Wi-Fi module
• TCP/IP connect at most 4 servers(support Static IP address or domain)
• Events(e.g. alarm, timer) trigger upload data
• Communication protocol: Modbus TCP,http post, Cwt_IO(two-way communication)
• Support two-way data transparent transmission with RS485 or RS232

Modbus feature

• Can work as a modbus master to poll salve over RS485
• As a RS485 I O module to be polled by modbus master
• Support Modbus RTU to TCP convert over Ethernet or 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