1203-GD1 Allen-Bradley

1203-GD1 Allen-Bradley I / O module

Product  Description：

The Allen-Bradley 1203-GD1 is a specialized communication module designed to bridge the gap between SCANport-compatible devices (such as PowerFlex or 1336 AC drives) and the Allen-Bradley Remote I/O (RIO) link. It serves as an adapter that allows a programmable controller, such as a PLC-5 or SLC 500, to command and monitor a drive as if it were a standard I/O rack on the RIO network.

Product Specifications

• Product Type: Remote I/O (RIO) to SCANport Communication Adapter.

• Input Voltage: 85 to 264 Volts AC, single-phase (standard 115/230V AC power).

• Input Frequency: 45 to 63 Hz.

• Input Current: 35 mA maximum.

• SCANport Load: 60 mA DC.

• Communication Interface: One SCANport connection and one Remote I/O terminal.

• Baud Rates Supported: 57.6k, 115.2k, and 230.4k Baud (configurable via DIP switches).

• Rack Size Allocation: Supports 1/4, 1/2, 3/4, or Full Rack addressing.

• Mounting: Standard 35mm DIN rail mounting.

• Enclosure Rating: NEMA Type 1 (IP30 equivalent).

• Operating Temperature: 0 to 50 degrees Celsius (32 to 122 degrees Fahrenheit).

• Dimensions: 76 mm Height x 45 mm Width x 123 mm Depth.

Product Advantages

• Direct Digital Integration: It provides a reliable digital link for control and feedback, eliminating the need for complex analog wiring between the PLC and the drive.

• High Versatility: The module supports various rack sizes, allowing users to choose between basic control (1/4 rack) or expanded data monitoring using "DataLinks" (up to Full rack).

• DIP Switch Configuration: Easy-to-set hardware switches allow for quick configuration of the baud rate, rack address, and fault actions without requiring complex software tools for initial setup.

• Comprehensive Diagnostics: Built-in LED indicators provide immediate visual feedback on the health of the module, the status of the Remote I/O link, and the connection status of the SCANport device.

• Robust Protection: Designed with a NEMA Type 1 enclosure and built-in isolation to withstand the electrical noise often found in industrial environments.

Important Considerations and Precautions

• Discontinued Status: This module is considered a legacy/discontinued product by Rockwell Automation. Users should plan for long-term support through surplus suppliers or consider migrating to newer communication platforms like EtherNet/IP.

• Static Sensitivity: The internal components are sensitive to Electrostatic Discharge (ESD). Always follow proper grounding procedures when handling the module to prevent internal damage.

• Power Down Before Service: Always disconnect the 120V/240V AC power source before installing, removing, or changing DIP switch settings to avoid electric shock or equipment failure.

• DIP Switch Timing: DIP switch settings are typically only read during the module's power-up cycle. If you change a switch while the module is powered, you must cycle the power for the new settings to take effect.

• Firmware Anomalies: Certain older firmware versions (e.g., v4.01) may require specific DIP switch configurations for block transfer messages to prevent power-up faults. Always refer to the specific version manual for your unit.

Product Applications

The 1203-GD1 is primarily used in legacy industrial systems where AC drives need to be integrated into an existing Allen-Bradley Remote I/O network.

• VFD Control and Monitoring: Allowing PLC-5 or SLC 500 controllers to start, stop, and change the speed reference of 1336 PLUS, 1336 IMPACT, or PowerFlex drives over the RIO link.

• Data Acquisition: Using DataLinks to pull drive parameters (such as output current, torque, and DC bus voltage) into the PLC for HMI visualization or process logging.

• Retrofitting Projects: Enabling newer SCANport drives to be installed as replacements in older systems that still utilize Remote I/O communication architecture without replacing the entire control network.

• Centralized Drive Management: Integrating multiple distributed drives into a single centralized PLC control program for synchronized manufacturing or material handling processes.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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