modbus rtu to modbus tcp converter, rs232 to modbus converter
System Feature
- Cortex M3 32-bit ARM
- Reliable performance with built-in double watchdog, 24×7 operation
- With signal filtering mechanisms
- Stable reconnection strategy for data transmit
- Synchronize clock with multiple way, Sms, NTP, CwtIO Server
- Configurable action schedule(second, minute, day, week, month)
- Can automatically execute tasks according to preset Events
- Provide configure software, visual programming, over 100 parameters can be set
- Optional inside battery that life is 8-20 hours, cellular module Intelligent sleep when power lost
DI feature
- Accept NO or NC dry contact
DO(T) feature
- Transistor 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
- 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
- Support offset and gain, alarm parameters, upload data setting
- Sensor disconnect alarm
SMS feature
- Can add 10 administrator numbers for alarm and remote control
- Any device alarm status can be sent by sending sms
- Editable alarm and recover sms with time stamp
- Can send sms command to request any channel status or value
- Activate output by sending sms
- Can set interval to report IO channel's status or value by sms
- Sending sms command to update setting
- Forward simcard overdue sms to admin
- 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
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
