Overview
The Allen-Bradley 1203-GD1 is a Remote I/O communication module designed to provide a direct digital link between Allen-Bradley programmable controllers and SCANport-enabled devices. This versatile communication module integrates devices with a SCANport to a Remote I/O network without the need for mounting in a PLC rack, allowing for independent or stand-alone configurations on a DIN rail. Ideal for motion control and distributed I/O applications, the 1203-GD1 eliminates the complexity of PLC rack installation while maintaining robust communication integrity.
Key Features
- Enables SCANport products to connect to Remote I/O links or devices
- Front panel terminals with SCANport and Remote I/O, plus LED indicators for fault detection and communication status
- DIP switches for configuration and LED indicators for module, Remote I/O link, and SCANport device status
- NEMA Type 1 rated enclosure with DIN rail mounting
- Supports numerous Allen-Bradley products including 1305 AC MICRO Drive and PLC-5 Series
- UL, CE, and CSA certified
Technical Specifications
- Input Voltage: 85 to 264 Volts AC
- Input Frequency: 45 to 63 Hertz
- Input Current: 35 mA maximum
- SCANport Load: 60 mA DC
- Communication Interface: SCANport and Remote I/O
- Data Rate: 57.6 / 115.2 / 230.4 Kbaud
- Operating Temperature: 0 to 50 degrees Celsius (32 to 122 degrees Fahrenheit)
- Storage Temperature: -40 to 85 degrees Celsius (-40 to 185 degrees Fahrenheit)
- Relative Humidity: Not to exceed 95% (non-condensing)
- Dimensions: 76 x 45 x 123 millimeters
- Weight: 2.00 lbs
- Mounting: DIN rail
- Enclosure Rating: NEMA Type 1
- Certifications: UL, CE, CSA
Typical Applications
The Remote I/O communication module is an optional interface designed to provide a direct, digital link between an Allen-Bradley programmable controller and any one Allen-Bradley SCANport product. Common applications include:
- Integration of 1305 AC MICRO Drives and PLC-5 Series systems over Remote I/O networks
- Standalone distributed I/O configurations without PLC rack mounting
- Motion control system communication interfaces
- Industrial automation networks requiring SCANport-to-Remote I/O bridging
Compatibility & Replacements
Compatible With
- Allen-Bradley PLC-5 Series controllers
- 1305 AC MICRO Drive
- Allen-Bradley SCANport-enabled devices
- Remote I/O networks and devices
- DIN rail mounting enclosures (NEMA Type 1)
Replaces / Drop-In Replacement For
- 1203-GK1 module (alternative Remote I/O communication module)
- Earlier generation 1203-series communication adapters
Works With
- Allen-Bradley Remote I/O networks
- SCANport communication protocol
- Data rates: 57.6, 115.2, and 230.4 Kbaud
- PLC-5, SLC-500, and CompactLogix controllers (via Remote I/O gateway)
- Industrial HMI and SCADA systems with Remote I/O integration
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