TG451 4G Industrial IoT Gateway

selection summary

TG451 is suitable for projects requiring PLC to network with the FM remote maintenance, secondary water supply and heat exchange station monitoring, oil and gas fields, smart buildings and plant equipment. Its core configuration is 3-net 4G, Ethernet, Wi-Fi; 2-SIM/Bi-module by configuration; 5xEthernet, 1xRS232, 1xRS485, 2xDI, 2x relay, USB. Check interfaces, protocols and domestic cellular versions before deciding whether to use them.

Product overview

The combination of multiple Internet routers, serial collection, digital input and relay control is suitable for industrial stations that require remote maintenance, protocol conversion and simple connection control.

The procurement staff will look at these three points first.

Whether to match the sceneClear list of equipment points, number of interfaces and version of the protocol to avoid selection based solely on product name.

Full scope of procurementAntennas, power, SIM/APN, mine protection, cabinets, platform access, solidware and authorization are also identified outside the mainframe.

Basis of acceptanceThe contract contained order codes, hardware interfaces, cellular modules, protocol versions, test points and random documents.

Data links and working methods

On-site instrumentation, PLC or sensor, through Ethernet, serial or I/O access, equipment completes transmission, protocol conversion, cache or edge processing, and is sent to SCADA, integrator software, MQTT platform or operating system via 4G/5G or cable network. Stability depends on the design of a table of points, a round of interviews, network coverage, a bridging strategy and a platform interface.

Core advantages

Ethernets, serials, DIs and relays are also connected.
Backup of cable/4G and remote equipment maintenance support
Power regulation or state secret functions can be supported by industry solids

Usage scenarios

Remote maintenance of PLC and FM
Second water supply and heating station surveillance
Oil and gas fields, smart buildings and plant equipment networking

application benefits

Construction valueReduced fragmentation converters and duplicate wiring and centralized management of on-site equipment access, network transmission and remote maintenance.

Run ValueReduction of data gaps caused by temporary break-nets through chain testing, local caches and break-points.

Operation and maintenance valueRemote view of status, configuration and upgrade to reduce the number of on-site screenings at remote sites; key changes still require the retention of version records.

Technical parameters

Product category	Industrial IoT Gateways
Beehive and Network	Trinet 4G, Ethernet, Wi-Fi; double SIM/bimodule by configuration
Hardware interface	5 x Ethernet, 1 x RS232, 1 x RS485, 2 x DI, 2 x relay outputs, USB
Communications and industrial agreements	MQTT, Modbus RTU/TCP, TCP/UDP; IEC 101/104 and DL/T645 supported as specified by firmware
Electricity	DC 5~35V, standard DC 12V/1.5A
Protection and environment	IP30; -35~+75°C (high-/low-temperature versions subject to configuration confirmation)
Size & Installation	Industrial metal case, track installation

Note: The cellular modules, interfaces, protocols and software functions vary in configuration, and page parameters are used for the initial selection, which is ultimately based on written technical confirmation and order code.

Selection guide

Lists all down-line devices, interfaces, station numbers, Porterrates and protocol versions.
The software configurations vary according to the three modes of work.
Relays are only suitable for the control of loads within the licence, and sensory or large power loads shall pass through intermediate relays.
Electricity regulations, State secrets, dual modules and remote maintenance platforms should be recognized as stand-alone options.

specification range:It should not be used as a universal PLC or high-calculation edge server for communications and light-volume protocol conversion. Complex algorithms, databases or containerization applications should be based on a marginal calculation model.

Key points for installation and commissioning

Power supply, grounding, mine-protected and antenna position checks are completed and access to on-site equipment is completed; communication lines are separated from power lines.
The validation station number, Porter rate, validation place, repository and data unit by point, with local access to the platform.
Set collection cycles, reporting cycles, caches and catch caps, and simulate off-grid, off-power and off-site scenarios.
Maintenance of configuration, solid version, SIM/APN, protocol mapping and acceptance records after shipment to facilitate subsequent replacement and traceability.

Procurement and Technical Confirmation Checklist

On-site equipment brand type, quantity, interface, protocol, depository table and data unit.
4G/5G operator, frequency band, SIM/APN, fixed IP/VPN, monthly traffic and signal test results.
Electricity supply range, maximum power consumption, container protection, mine protection, humidity and installation space.
Platform address, reporting format, collection/reporting cycle, breakpoint relay, remote upgrade and account number privileges.
Standards and selection functions, solid version, authorized costs, annexes, quality assurance and acceptance methods.

FAQ

What's TG451 for?

TG451 is used primarily to combine multiple gateway routes, serial collection, digital input and relay control in one device for industrial stations that require remote maintenance, protocol conversion and simple connection control. The selection shall first confirm the on-site equipment, interfaces, protocols, network and power supply, rather than be based only on 4G or 5G names.

Can TG451 access PLC, instrument or sensor?

Yes, but with actual interfaces and protocols. The reference interface is 5 x Ethernet, 1 x RS232, 1 x RS485, 2 x DI, 2 x relay, USB; in the case of private PLC agreements or exclusive statutes, lists of equipment and contact lists should be provided first.

What communication protocols do TG451 support?

Reference agreements include MQTT, Modbus RTU/TCP, TCP/UDP, IEC 101/104, DL/T645 etc. Some industry agreements, platform plugins or secondary development functions may require the designation of solids, with the version, authorization and delivery to be confirmed prior to ordering.

Can the 4G/5G version of TG451 be used directly by the three main domestic operators?

Requires confirmation by specific module and order code. Product lines may include different national/regional bands; domestic projects should check mobile, connectivity, telecommunications frequency bands, SIM/APN, on-site coverage and local access requirements, and should not substitute “global frequency bands” for an optional identification.

Can TG451 be installed directly outside?

Reference environmental condition is IP30; reference - 35 ~ 75 °C, with the confirmation based on high temperature. The IP30 product should be installed in containers with water, dust, mine and temperature-control conditions and cannot be used as outdoor water protection equipment.

What information is required for request TG451?

Please provide a list of the points of equipment, the number of interfaces, protocols and repositories, the collection and reporting cycle, the central platform, the cellular operator, the power supply, the installation of the environment, the requirements for remote maintenance and the selection functions required.

Ordering instructions

This page does not write optional features into standard configurations. In cases involving cellular bands, industry regulations, State secrets, secondary development, certification or platform authorization, a written confirmation of the corresponding version must be obtained prior to the next list.

Industrial IoT Gateways