4G LTE Version Modbus Rtu controller for remote reply outout, rs232, rs485

With 4DI & 4DO, remote monitor industry system via GPRS 3G 4G
remote alarm, control and data acquisition
SCADA Cellular RTU, mobus RTU, GPRS 4G 3G modbus gateway, 3G wireless modbus i/o module, 3G modbus master

Support 3G and 4G version

( skype:lisali1220) (Whatsapp:0086 13652426178)

We Provide Free GPRS Server Software, Please contact us for more details


Product Features

Modbus Controller Advance features

1. Adopted highly integrated industrial CPU
2. Easy used GUI configure software
3. Reliable performance with built-in double watchdog
4. Low maintenance, 24×7 operation
5. Support ring call when alarm
6. Temperature sensor (optional)
7. Internal battery and providing power cut off alarm





Modbus feature
1. Modbus RTU protocol on RS232 or RS485, monitor modbus slave
2. Read or write 32 registers (coil or input registers) on Modbus via GPRS or SMS
3. Upload data to server when coils are triggered
4. Can preset normal range for input registers; upload data to server when above the normal range
5. Support SMS operation (read or write registers)


GPRS feature

1. Support connects 4 servers, the servers must connect internet and have static public IP address or Dynamic Domain name

2. GPRS Transmission base on TCP/IP

3. Support modbus TCP protocol


4 digital inputs feature

1. Upload data when inputs are triggered
2. Upload input status on schedule
3. Can be reuse as pulse counter input
4. SMS alarm when inputs are triggered
5. NO or NC type can be preset
6. Configurable for alarm and recover sms
7. Remote query inputs status

4 relay drivable outputs feature

1. Multiple output type can be preset
2. Remote On/Off/Pulse outputs via GPRS or sms
3. Configurable for pulse time
4. Remote query outputs status via GPRS or sms
5. Outputs can be activated by alarm or call
6. Outputs can be activated on schedule

4 analog inputs feature

1. Can preset normal range for AD input, upload data to server when above the normal range.
2. Current values can be query by server or sms
3. Configurable for alarm and recover SMS
4. Configurable for alarm ensure time
5. Configurable for alarm delay time
6. Support offset and gain


Modbus Controller Specifications

DC Power supply: 12-24V DC (Standard adapter: DC 12V/1.5A)
Power consumption: 12V input Max. 150mA/Average 50mA
Frequency range: Quad-frequency 900/1800/850/1900HMz
SIM Card: Supporting 3V SIM Card
Antenna: 50 Ω SMA Antenna interface
Serial port: Selectable RS-232/485
Temperature range: -30°C ~ +70 °C
Humidity range: Relative humidity 95%
Digital Input: 4 digital inputs (Dry contact)
Output: 4 drivable relay outputs (open-collector outputs)
Output drive voltage: Equal to input DC voltage
Output drive power: Drive voltage ≤35V, drive current ≤500mA
Exterior dimension: 95×63×25mm
Weight: 256 g

Screenshot of Program Software:



Application: