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GKB-4GRTU
WEIDU
In the wave of the digital era, technological innovations continually reshape our lifestyles and work patterns. With the widespread adoption of smart devices and advancements in network technology, the Internet of Things (IoT) has quietly become an integral part of our daily lives. By seamlessly connecting the physical and digital worlds, it unlocks infinite possibilities. IoT technology is gradually permeating various fields such as home automation, industry, healthcare, and transportation, transforming how we communicate, enhancing efficiency, and delivering a more convenient and intelligent living experience. It is against this backdrop that our company introduces the GKB-4GRTU—an innovative IoT product designed to address the challenges of long-distance, high-speed, and high-quality data transmission.
During the development of the GKB-4GRTU, we conducted an in-depth analysis of market demands and carefully considered user feedback to ensure that our product is well-equipped to address the complex and ever-evolving challenges of the real world. From automated temperature control to remote monitoring systems, and from detailed data analysis to a user-friendly interface, the GKB-4GRTU is designed to make IoT technology accessible while maintaining robust functionality and a high level of security.
Featuring real-time capability, wide coverage, and strong anti-interference performance, it can be widely applied in fields such as natural gas to provide stable and reliable data connectivity services.
With high-speed transmission characteristics, its data transfer speed far exceeds that of traditional RTUs, enabling efficient information exchange and processing.
Equipped with powerful real-time performance, it ensures real-time data acquisition and control anytime and anywhere, enhancing operational efficiency.
Utilizing 4G networks, it enables remote management without on-site operations. Monitoring and maintenance of equipment can be conducted via the network, significantly improving workefficiency.
1) 4G Communications Parameters
CAT1 Network Bands | |
LTE-FDD | B1/B3/B5/B8 |
LTE-TDD | B34/B38/B39/B40/B41 |
Transmit Power | LTE-FDD Band: Class 3 (23 dBm ± 2 dB) LTE-TDD Band: Class 3 (23 dBm ± 2 dB) Maximum support for Cat1 FDD and TDD Supports RF bandwidths of 1.4/3/5/10/20 MHz |
LTE Features | LTE-FDD: Maximum downlink rate 10 Mbps; maximum uplink rate 5 Mbps LTE-TDD: Maximum downlink rate 7.5 Mbps; maximum uplink rate 1 Mbps |
Serial Port | Dual-Channel TTL MODBUS-RTU |
Analog Input (AI) | Mains and Backup Power Monitoring |
Environmental Specifications: Operating Temperature: -20 °C to +80 °C; Operating Humidity: 10% to 90% RH (non-condensing); Storage Temperature: -40 °C to +80 °C; Storage Humidity: 10% to 90% RH (non-condensing). | |
2) ROT Parameter
Network Standards | Wireless Standards: IEEE 802.11b/g/n Wired Standards: IEEE 802.3, IEEE 802.3U |
Wireless data rate | 11n: Up to 150 Mbps 11g: Up to 54 Mbps 11b: Up to 11 Mbps |
Channel count | 1-14 |
Frequency Range | 2.412-2.4835 GHZ |
Transmit Power | 15-20 dBm |
Working Mode | Router/AP/STA/AP Client/Bridge |
Serial Port | Dual-Channel RS-485 MODBUS-RTU |
TCP | 6-Channel MODBUS-RTU-TCP |
Wireless Security | Wireless MAC Address Filtering / Wireless Security Feature Toggle 64/128/152-bit WEP Key WPA-PSK / WPA2-PSK / WPA2 Security Mechanism |
Environmental Specifications: Operating Temperature: -20 °C to +80 °C; Operating Humidity: 10% to 90% RH (non-condensing); Storage Temperature: -40 °C to +80 °C; Storage Humidity: 10% to 90% RH (non-condensing). | |
3) HMI Parameters
Display
10.1" TFT-LCD | 1024×600
LED Backlight (20 k hours)
CPU: 64-bit 1200 MHz | Ethernet | USB
Power: 2 W | CE, RoHS (EN 61000-6-2/4)
Brightness: 250 cd/m² | Colors: 260 K
Touch Panel: Resistive | Built-in RTC
Ports: RS-232/485/422
Surge Protection: ±2 KV
Data Retention during Power Loss
Operating: -20 °C ~ 80 °C, 10-90% RH (non-cond.)
Storage: -40 °C ~ 80 °C, 10-90% RH (non-cond.)
4) RTU Parameters
24-Channel Digital Input | D024 16-Channel Relay & 8-Channel Transistor / 24 V | 16-Channel Analog Input, 0-20 mA/4-20 mA |
Serial Port | COM1 COM2 COM3 | RS-485 Modbus RTU Communication Protocol |
Serial Port | COM4 | TTL Modbus RTU Communication Protocol |
ENET | Supports 3-port MODBUS-RTU-TCP | Port Number 502 503 504 |
ENET | Supports 3-port MAC protocol | Port Number 6001 6002 6003 |
ENET | Supports 1-port FX protocol | Port Number 5551 |
Power Supply Mode | AD 19-25 V | Primary Power and Backup Power (two modes) |
Program Steps | 16000 Steps | / |
Supported Software | GX Developer and GX Works2 software programming, reading, downloading, verifying, diagnosing, and monitoring programs. | |
Environmental Specifications: Operating Temperature: -20 °C to +80 °C, Operating Humidity: 10% to 90% RH (non-condensing), Storage Temperature: -40 °C to +80 °C, Storage Humidity: 10% to 90% RH (non-condensing). | ||
1) GKB-A29810
Model | GKB-A29810 |
Network | 4G |
10-port | 6 Digital Input/Output |
AI | 4-20 mA 0-20 mA 0-10 V |
Serial Port | 2 Channels (RS485) |
Power Supply | +5 V ~ 24 V DC |
SD Card | Supports MicroSD Card |
Communication Method | 4G Full Netcom |
Communication Protocol | ModBus MQTT |
Operating Temperature | -40 °C ~ +75 °C |
Edge Computing | Compatible |
Product Features:
Model GKB-29810 supports wide-range power supply, DC 9-24 V.
DI (INPUT) supports 6 channels of NPN-type input, low-level effective.
DO (DRIVE) supports 6 channels of NPN-type output, low-level output.
ADC analog input supports 8-channel simultaneous acquisition (0-20 mA/4-20 mA).
Two RS485 ports support standard MODBUS-RTU with function codes 01, 02, 03, 04, 05, 06, and 15.
Supports edge logic operations (can replace PLC and PIC, script language) and edge data parsing.
Supports battery-powered continuous supply and backup power.
2) GKB-A29811

Model | GKB-A29811 |
Network | 4G Network |
10-Port | 6 DI/DO |
AI | 4-20 mA / 0-20 mA / 0-10 V |
Serial Port | 2-Port (RS485) |
Power Supply | +5 V ~ 24 V DC |
SD Card | MicroSD Supported |
Communication Method | 4G LTE Full Network Support |
Communication Protocol | ModBus / MQTT |
Operating Temperature | -40 °C ~ +75 °C |
Edge Computing | Supported |
Product Features:
Model GKB-A29811 supports wide-range power supply, DC 9-24 V.
DI (INPUT) supports 6 channels of NPN-type input, low-level effective.
DO (DRIVE) supports 6 channels of NPN-type output, low-level output.
ADC analog input supports 16-channel simultaneous acquisition (0-5 V/0-10 V).
Two RS485 interfaces support standard MODBUS-RTU with function codes 01, 02, 03, 04, 05, 06, and 15.
Supports edge logic operations (can replace PLC and PIC, script language) and edge data parsing.
Supports TYPE-C for internet connectivity and program downloading.
Supports battery power supply for continuous and backup power.
3) GKB-A29813

Model | GKB-A29813 |
Network | 4G |
10 Ports | 6 DI/DO |
AI | 4-20 mA, 0-20 mA, 0-10 V |
Serial Port | 2 channels (RS485) |
Power Supply | +5 V ~ 24 V DC |
SD Card | Supports MicroSD card |
Communication Method | 4G full network compatibility |
Communication Protocol | ModBus, MQTT |
Operating Temperature | Operating temperature: -40 °C ~ +75 °C |
Edge Computing | Supported |
Product Features:
Model GKB-A29813 supports wide-range power supply, DC 9-24 V.
ADC analog input supports simultaneous 2-channel acquisition (0-20 mA/4-20 mA).
Dual RS485 interfaces support standard MODBUS-RTU with function codes 01, 02, 03, 04, 05, 06, and 15.
Supports edge logic operations (can replace PLC and PIC, script-based programming) and edge data parsing.
Supports internet connectivity and program downloading via TYPE-C port.
Supports battery power supply for continuous and backup power.
