Event - Based Modbus Converter Relay Drivable Output 4 - 20mA Disconnect Alarm

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System Feature

•  Cortex M3 32-bit ARM
•  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
•  Event-based linkage programming, e.g. alarm linkage output
•  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)
•  DO can be activated by remote or local schedule
•  Remember status when power lost

DO(K) feature

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

AI feature

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

SMS feature

•  Can add 10 administrator numbers for alarm and remote control
•  Send sms alarm when input is triggered or reach alarm level
•  All alarm and recover sms text can be edited
•  Query any IO channel’s status or value via sms command
•  Control output via sms command
•  Configurable schedule for sms report IO channel's status or value
•  Sending sms command to update setting
•  Can query SIM card balance, sms forward
•  Power lost and recover alarm by sending sms

Wireless network communication

•  Option network: cellular(2g/3g/4g) or Wi-Fi
•  TCP/IP connect at most 4 servers(support Static IP address or domain)
•  Events(e.g. alarm, timer) trigger upload data
•  Communicate with server by optional Cwt_IO, Modbus TCP, http post protocol
•  Transfer RS485 or RS232 Data to wireless network

Modbus feature

•  Can be modbus master read/write salve over RS485
•  As a RS485 I O module to be polled by modbus master
•  Run Modbus RTU or TCP protocol over GPRS/3G

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Event - Based Modbus Converter Relay Drivable Output 4 - 20mA Disconnect Alarm Images