Modbus RTU 4 Channel Relay Module Serial to Ethernet Adapter

Modbus RTU 4 Channel Relay Module Serial to Ethernet Adapter Description

1、High Accuracy: 4 analog inputs, optional 4 PT100, PT1000 model RTD temperature, using 16 bit AD acquisition processing, high measurement accuracy. 2、Strong Reliability: Wide working voltage DC 9~36V, with anti connection and reverse protection, industrial grade chip, built in watchdog, has high reliability. 3、Adjustable Analog: The maximum and minimum values of analog input can be configured, and the actual value can be intelligently converted, convenient measurement requirements. 4、Parameters: Comply with for Modbus‑RTU, easy programming, RS‑485 communication interface with ESD protection circuit, online adjustment of PT100 input channel accuracy. 5、Easy Installation: LED indicates working status for easy installation and commissioning, wall mount or 35mm standard DIN rail mounting, supports multi wiring methods.
Item Type: for Modbus RTU Module
Material: Metal
4 Analog Inputs:
1) Input Signal: DC
2) Input Range: 0/4~20mA, 0~5V, 0~10V and other optional
3) Overload Capacity: 1.2 times the range is sustainable; Instantaneous ( 1 kΩ/V; Current channel 150Ω;
4 RTD Inputs
1) Thermal Resistance Model: PT100 (default), PT1000 optional;
2) Signal Input: 2 wire or 3 wire input;
Communication Interface
1) Interface Type: RS-485 communication interface
2) Communication Protocol: for MODBUS-RTU standard protocol
3) Mailing Address: 1~247 can be set
4) Data Format: Software set, "n,8,1", "e,8,1", "o,8,1", "n,8,2"
5) Communication Rate: 1200, 2400, 4800, 9600, 19200, 38400, 115200Bps;
Measurement Accuracy: 0.2%FS;
1.3.5 Isolation: Non isolated (non isolated type, all signals share GND);
1.3.6 Power Supply
1) 9~36VDC power supply, peak voltage shall not exceed +40V; Typical power consumption: 0.3W;
Working Environment
1) Working Temperature: -20~+70C; Storage temperature: -40~+85C;
2) Relative Humidity: 5~95%, no condensation (at 40C);
3) Altitude: 0~3000 meters;
4) Environment: Explosion free, corrosive gas and conductive dust, no significant shaking, vibration and shock place;
Temperature Drift: 100ppm/C;
Mounting: Wall mount or 35mm standard DIN rail mounting
Module Size: Approx. 110x84x30mm/4.33x3.31x1.18in
1 x
Module
1 x USB Adapter
1 x Rail Buckle
3 x Screw
2 x Terminal
1 x Manual Card