4G-LTE RS-485 Modbus Gateway with 5 Digital Inputs.

Supports reading from up to 5 Modbus devices at the same time as reading from the Digital Input.
Each slave can have different configurations and data speeds.
It offers options for even, odd, or no parity settings with support for 7 or 8-bit frames.
The device can perform repetitive polling of the Modbus slaves to extract data, which is then transmitted through the data channel.
It supports both REST API and MQTT transmissions for data communication.

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Features

Modbus Simplex: The gateway supports Modbus communication from 1200bps to 115200bps.
Max number of Slaves: You can connect up to 5 Modbus slaves to the gateway.
Per Slave Register Sets: Each slave can have up to 20 register sets, with a maximum of 20 registers in each set.
Digital Inputs: The gateway has 5 digital inputs that can be monitored.
Minimum Report Interval: The gateway can report data at a minimum interval of 500ms.
Communication channel: RS-485

Modbus Simplex

@1200bps - 115200bps

Max number of Slaves

Per Slave Register sets

20 (Max 20 Regs in each set)

Digital Inputs

Minimum Report Interval

500ms

Specifications

Operating Voltage: The gateway operates on a voltage range of 6-30v.
Modbus Wire: It requires a twisted pair of shielded cable for Modbus communication, with a maximum cable length of 1200mtr.
Digital Input Range: The digital inputs accept a voltage range of 3.5v to 30v, with a current of 0.09mA.
SIM: The gateway uses a microSIM card with 4G data capability.

Operating Voltage

6-30v

Modbus Wire

Twisted pair Shielded Cable < 1200mtr

Digital Input Range

3.5v - 30v @0.09mA

Use cases of 4G-LTE RS-485 Modbus Gateway with 5 Digital Input

Industrial Automation and Control: The Modbus Gateway can connect to various industrial devices and equipment, allowing remote monitoring and control. The 5 digital inputs can be used to monitor the status of sensors, switches, or alarms in an industrial environment.
Energy management systems: The gateway can integrate with energy meters, enabling real-time monitoring of energy consumption and facilitating energy management strategies. The digital inputs can be utilized to detect events such as power outages or equipment malfunctions.
Building automation and security: In building automation systems, the gateway can connect to sensors and security devices such as motion detectors, door/window sensors, or fire alarms. The digital inputs can detect and report events like unauthorized access or potential security breaches.
Environmental monitoring: With the help of environmental sensors connected to the digital inputs, the Modbus Gateway can monitor parameters like temperature, humidity, air quality, or water levels. This information can be used for environmental monitoring and control applications.
Remote equipment monitoring and maintenance: By connecting the gateway to equipment or machinery, it becomes possible to monitor their operational status and receive real-time notifications about faults or anomalies. The digital inputs can detect signals indicating equipment failures or maintenance requirements.
Smart agriculture: The Modbus Gateway can be used in agriculture to connect to sensors that monitor soil moisture, temperature, or irrigation systems. The digital inputs can help detect events such as water level fluctuations or weather changes, enabling efficient and automated farm management.

FAQs

Q1. What is the purpose of a 4G-LTE RS-485 Modbus Gateway with 5 Digital Inputs?

A1: The 4G-LTE RS-485 Modbus Gateway with 5 Digital Inputs is designed to enable communication between remote devices using Modbus protocol over a 4G-LTE network. It also allows monitoring of up to 5 digital input signals with a minimum read time of 0.5 seconds.

Q2. Is it possible to expand the number of digital inputs?

A2: No, the 4G-LTE Modbus Gateway is designed with a fixed number of 5 digital inputs. In case more inputs are needed, you may need to use additional gateways or external devices to aggregate and communicate signals.

Q3. What are the main features of the 4G-LTE RS-485 Modbus Gateway?

A3: The main features of this gateway include:
- 4G-LTE connectivity for remote communication
- RS-485 interface for connecting Modbus devices
- 5 digital input channels for monitoring signals
- Support for Modbus RTU and Modbus ASCII protocols
- Built-in SIM card slot for mobile network connectivity
- Secure and reliable communication with encryption and authentication

Q4. Is the gateway compatible with all Modbus devices?

A4: The gateway supports both Modbus RTU and Modbus ASCII protocols, making it compatible with a wide range of Modbus devices. For specific compatibility details, consult the gateway's documentation or contact the manufacturer.

Q5: How can digital inputs be utilized?

A4: The 4G-LTE Modbus Gateway has 5 digital input channels that can monitor the status of various devices or signals. For example, they can monitor the status of sensors, switches, alarms, or any other digital signal. It is possible to configure the input channels to trigger specific events or actions based on detected signal changes.

Q6. Can the gateway be accessed remotely for configuration and monitoring?

A6: Yes, the 4G-LTE Modbus Gateway can be remotely accessed through the mobile network connection. There are many methods for remotely configuring, monitoring, and retrieving data, including web-based interfaces, APIs, or specific software provided by the manufacturer.

Q7. What is the power supply requirement for the 4G-LTE Modbus Gateway?

A7: Typically, the gateway operates on a 12V DC power supply, but it's always recommended to refer to the product's specifications or user manual for accurate power supply requirements.

Q8. Does the gateway offer any security features?

A8: Yes, the 4G-LTE Modbus Gateway has built-in security features to protect communication and data integrity. These include encryption, authentication, and secure protocols to ensure a secure connection between the gateway and the connected devices.