modbus rtu 485 gateway, modbus data acquisition gateway

System Feature

• Industrial NXP 32-bit ARM MCU
• Reliable performance with built-in double watchdog, 24×7 operation
• Dual digital filters for anti-noise
• Network-reconnect and retransmission to ensure data accurately transmit
• Update RTC automatically or manually, clock source support Sms, NTP, CwtIO Server
• Automatically execute preset task by schedule(second, minute, day, week, month)
• Event-based linkage programming, e.g. alarm linkage output
• Easy used GUI configure software for setting up to 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

• Relay drivable output(drive voltage=power supply voltage, Drive current≤500mA)
• on/off/pulse DO by remote control or local event
• Status memory function for power lost

DO(K) feature

• Relay output(NO, contact load: 2A / 125VAC,220VDC)
• Remote or local event activate DO on/off/pulse
• Status memory function for power lost

AI feature

• Standard 4-20mA (option: 0-5V) signal in, Sampling frequency: 33Hz, 10-bit precision)
• Convert 4-20mA(0-5V) to physical value
• Support offset and gain, alarm parameters, upload data setting
• Sensor disconnect alarm

SMS feature

• Preset 10 phone numbers (support distribute authority to receive sms)
• Send sms alarm when input is triggered or reach alarm level
• Editable alarm and recover sms with time stamp
• Query any IO channel’s status or value via sms command
• Activate output by sending sms
• Sms report any IO channel’s status or value on schedule
• Sending sms command to update setting
• Sms remind for sim card overdue
• Sms alar for power lost and recover

Wireless network communication

• With 2g, 3g, 4g, Wi-Fi version
• TCP/IP connect at most 4 servers(support Static IP address or domain)
• Support post or respond mode for data communication
• Communicate with server by optional Cwt_IO, Modbus TCP, http post protocol
• Can forward data between wireless network with RS485 or RS232

Modbus feature

• polling salve over RS485 with modbus rtu protocol
• Can work as a modbus slave to be read/write by master(HMI, SCADA etc.)
• 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