Weidmuller 1504460000 IE-GW-MB-2TX-1RS232/485 Modbus TCP / RTU Gateway

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Hersteller: Weidmuller
Produkt-Nr.: IE-GW-MB-2TX-1RS232/485
Herkunftsland:Deutschland
Produkttyp: Modbus Gateways
Zahlung: T/T, Western Union
Gewicht: 1000g
Abmessungen: 29 mm x 124.5 mm x 89.2 mm
Versandhafen: Xiamen
Garantie: 12 Monate

Bridging the gap between legacy serial infrastructure and modern industrial Ethernet networks is efficiently managed by the Weidmuller 1504460000 (Model IE-GW-MB-2TX-1RS232/485), a high-reliability Modbus TCP to RTU/ASCII gateway. This device enables seamless communication between Modbus TCP clients and up to 31 Modbus RTU/ASCII serial slave devices, ensuring high-speed data translation across diverse automation layers.

Key Features

Dual Ethernet ports (2TX) allowing simple daisy-chaining and reducing external switch requirements.
Software-selectable serial interface supporting RS-232, RS-422, and 2-wire or 4-wire RS-485 modes.
Redundant 24 V DC power inputs to maximize system uptime and prevent single-point-of-failure shutdowns.
Integrated serial redirection and priority control for optimized packet routing and low-latency response times.
Compact, space-saving IP30 plastic housing designed for standard TS 35 DIN rail installation.

Applications

SCADA integration of legacy serial PLCs, power meters, and flow sensors.
Substation automation and energy management systems.
Factory floor device networking and distributed control system (DCS) expansion.
Water and wastewater treatment facility monitoring networks.

Technical Specifications

Parameter	Specification Value
Manufacturer	Weidmuller
Article Number (SKU)	1504460000
Model Designation	IE-GW-MB-2TX-1RS232/485
Ethernet Ports	2 x RJ45 (10/100BaseT(X)), Auto MDI/MDI-X
Serial Port	1 x RS-232/422/485 (Software Selectable)
Supply Voltage	24 V DC (Redundant inputs)
Connection Type	1 x Removable 7-pole terminal block
Operating Temperature	0 degC to 60 degC
Storage Temperature	-40 degC to 85 degC
Ambient Humidity	5% to 95% (non-condensing)
Protection Class	IP30
Mounting Type	DIN rail (TS 35)
Dimensions (W x H x D)	29 mm x 124.5 mm x 89.2 mm
Net Weight	190 g
Shipping Weight (Calculated)	1.0 kg

Connections and Interfaces

Terminal / Pin	Function Assignment
Pin 1	V1+ (Primary Power Input +)
Pin 2	V1- (Primary Power Input -)
Pin 3	Functional Earth / Ground
Pin 4	V2+ (Redundant Power Input +)
Pin 5	V2- (Redundant Power Input -)
Pin 6	Relay Contact (Fault Output)
Pin 7	Relay Contact (Fault Output)

Empirical Engineering Insights

Alternative Models & Compatibility

The IE-GW-MB-2TX-1RS232/485 serves as a direct upgrade path for older serial-to-Ethernet converters. It is fully compatible with standard Modbus TCP client drivers found in modern PLC platforms (such as Siemens S7, Rockwell ControlLogix, and Schneider Modicon) without requiring custom driver blocks.

Application Pitfalls & Engineering Notes

When configuring RS-485 2-wire communication, ensure that the appropriate termination resistors (typically 120 ohms) are installed at both physical ends of the serial bus. Failure to terminate the line can result in signal reflection, leading to intermittent CRC errors and communication timeouts, especially at baud rates exceeding 19200 bps.

Commissioning & Wiring Tips

Initial setup is performed via the integrated web-based management interface. Ensure your commissioning PC is configured on the same subnet as the gateway's default factory IP address. Always ground the functional earth pin (Pin 3) to the central cabinet ground plane to safeguard the internal transceiver components against transient voltage spikes.

Installation Guidelines

CRITICAL WARNING

Isolate all power sources before mounting, wiring, or servicing the gateway. Do not insert or remove the 7-pole terminal block while the circuits are energized to prevent electrical arcing and potential damage to the internal electronics.

Snap the gateway securely onto a standard TS 35 DIN rail, ensuring the metal grounding spring on the rear makes firm contact with the rail.

Connect the serial communication lines (RS-232 or RS-485) to the designated serial port interface using shielded cabling.

Wire the redundant 24 V DC power supplies to the 7-pole terminal block, ensuring correct polarity before plugging the connector into the unit.

Connect the RJ45 Ethernet cables to the 2TX ports to integrate the gateway into your local industrial Ethernet network.

Key Features:

#Modbus Gateways #Weidmuller IE Series

What is the default IP address of the Weidmuller IE-GW-MB-2TX-1RS232/485?

The default factory IP address is typically 192.168.127.254. Refer to the side label or user manual for confirmation before initial network commissioning.

How many Modbus TCP masters can connect to this gateway simultaneously?

The gateway supports up to 16 simultaneous Modbus TCP master connections, routing requests to the connected Modbus RTU/ASCII serial devices.

Does this gateway support redundant power supplies?

Yes, it features dual redundant 24 V DC power inputs via a removable 7-pole terminal block to ensure continuous operation if one power source fails.

Globaler Expressversand

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Rückgaben & Garantie

30-Tage-Garantie: Rückgaben werden für vorrätige Produkte in originaler, werkversiegelter Verpackung akzeptiert.
12-Monats-Garantie: Jede Industriekomponente ist durch unsere professionelle technische Garantie abgesichert.

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TECHNICAL SPECIFICATIONS

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Weidmuller 1504460000 IE-GW-MB-2TX-1RS232/485 Modbus TCP / RTU Gateway