Overview
The Allen-Bradley 1203-GK5 Series A is a compact DeviceNet communications module designed to bridge DeviceNet networks and SCANport products in industrial automation systems. The 1203-GK5 module mounts on a DIN rail system and connects to SCANport products with the use of a SCANport cable. This adapter enables seamless communication between programmable controllers and peripheral devices including sensors, motor starters, and variable frequency drives.
Key Features
- DIP switches to enable the user to configure the module before connecting it to the DeviceNet network.
- Faulted Node Recovery system, enabling one to change the node address of a device.
- User fault response configuration allows the user to customize the adapter actions to communication errors, and LEDs aid in diagnosing network and SCANport health.
- Input voltage of 12 to 25 V DC, an input current of 110 mA, and a SCANport load of 60 mA.
- Baud rates for the 1203-GK5 are 125, 250, and 500 k BPS.
Technical Specifications
Electrical Requirements: Input voltage of 12 to 25 V DC, an input current of 110 mA, and a SCANport load of 60 mA. Operating Temperature 0 to +50°C (32 to 122°F), Storage Temperature –40 to +85°C (–40 to 185°F).
The factory-default setting for the data rate is 125K. The factory-default setting is DeviceNet node address 63. Required tools and equipment to set up the 1203-GK5 are as follows: DeviceNet communications module (1203-GK5), either a 5-pin or 10-pin plug-in connector, 35 x 7.5 mm DIN rail, 1/8" flathead screwdriver, and appropriate cables for SCANport and DeviceNet connections.
Typical Applications
The 1203-GK5 is commonly deployed in manufacturing automation environments for:
- Integration of variable frequency drives (1336 family) with DeviceNet control networks
- Multi-axis motion control systems (1394 family) requiring DeviceNet gateway functionality
- Distributed I/O and smart sensor networks across industrial facilities
- Equipment retrofit and legacy system modernization where DeviceNet connectivity is required
Compatibility & Replacements
Compatible With
- Allen-Bradley SCANport products (1305, 1336 Plus, 1336 PlusII drives)
- 1394 motion control systems
- DeviceNet-enabled programmable controllers (CompactLogix, SLC, MicroLogix with DeviceNet modules)
- RSLogix and Studio 5000 development environments
- DeviceNet Manager configuration software
Replaces / Drop-In Replacement For
No direct drop-in replacements. The 1203-GK5 is the Series A module; verify part number revision with your integrator when ordering replacements or upgrades.
Works With
- DeviceNet protocol (ISO/IEC 11898 standard)
- PCCC messaging via firmware v2.001 or later
- RSLogix 5, RSLogix 500, RSLogix Emulate, and Studio 5000 platforms
- DriveExplorer software for drive parameter management
- 1336-GM5 board (functionally equivalent internal implementation)














