Allen-Bradley 1747-UIC USB-to-DH-485 Interface Converter, USB Type-B to DH-485 industrial bridge, features 1x RJ45 port (RS-485) and 1x 9-pin female DB9 port, diagnostic communication LEDs

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Allen-Bradley 1747-UIC USB-to-DH-485 Interface Converter, USB Type-B to DH-485 industrial bridge, features 1x RJ45 port (RS-485) and 1x 9-pin female DB9 port, diagnostic communication LEDs Specification

Input Current
Max. 100 mA drawn directly from the host computer's USB port

Mounting Type
Free-standing portable desktop layout or inline cable placement

Efficiency
Built-in smart firmware handling protocol timing independent of PC OS lag

Protection Level
IP20

Humidity
5% to 95% relative humidity parameter metrics (Non-condensing field bounds)

Phase
N/A (Direct Current small signal transmission matrix topology)

Operating Temperature
0 C to +50 C Celsius (oC)

Rated Voltage
5 V DC Volt (V)

Usage
Industrial Automation

Main Material

Size
Small-footprint standalone diagnostic tool accessory

Condition
New

Height
2.50 Centimeter (cm)

Function
1747-UIC Unit (USB to DH-485 differential/single-ended logic interface)

Product Type
DH-485 Serial Protocol Communication Node Converter

Application
Connects PC USB ports to DH-485 ports on processors and HMIs

Weight
0.23 Kilograms (kg)

Dimension (L*W*H)
11.43 cm x 6.35 cm x 2.50 cm Centimeter (cm)

Power Mode
Other

Color
Rockwell Industrial Gray / Black End Caps

Width
6.35 Centimeter (cm)

Length
11.43 Centimeter (cm)

Voltage
5 V DC Volt (v)

Power Consumption
0.5 Watt (W)

Accessories
Includes 1x standard USB Type A-to-B host connection cable

Warranty
Standard Allen-Bradley Factory Warranty

Allen-Bradley 1747-UIC USB-to-DH-485 Interface Converter, USB Type-B to DH-485 industrial bridge, features 1x RJ45 port (RS-485) and 1x 9-pin female DB9 port, diagnostic communication LEDs Trade Information

Minimum Order Quantity
1 Piece

Delivery Time
2 Week

About Allen-Bradley 1747-UIC USB-to-DH-485 Interface Converter, USB Type-B to DH-485 industrial bridge, features 1x RJ45 port (RS-485) and 1x 9-pin female DB9 port, diagnostic communication LEDs

Establish seamless communication with legacy field devices using the Allen-Bradley 1747-UIC USB-to-DH-485 Interface Converter. Purpose-built by Rockwell Automation to bridge modern programming laptops with classic control hardware, this intelligent adapter translates standard USB communication protocols into the industrial DH-485 network standard.

The rugged hardware features two distinct communication ports on its output faceplate to cover standard local field topologies:

RJ45 Port: Pinout optimized for balanced differential RS-485 signals. It connects directly to DH-485 networks or the dedicated ports on SLC 5/01, 5/02, and 5/03 processors.
DB9 Female Port: Wired for standard RS-232 unbalanced asymmetric links. It communicates cleanly with legacy panel terminals like the PanelView Standard or MicroLogix controllers configured for DH-485 data exchange.

Critical Dynamic Selection & Driver Rules:
To guarantee error-free initialization, a physical sliding toggle switch on the side of the unit must be mechanically positioned to match the output port you intend to use ("RS-232" or "RS-485"). Note that only one output port can be active at a time. The interface draws its power directly from the host computers 5V DC USB bus, displaying immediate diagnostic status feedback via front-mounted LEDs (USB, Token, and TX/RX data flashes).

When commissioning the device in your software layer, RSLinx Classic requires the specialized "DH485 UIC Devices" driver rather than the typical standard serial COM driver. It is the definitive field accessory for flashing firmware, performing machine backups, and running online diagnostics on classic production lines.

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