Overview
The Allen-Bradley 1747-SDN is a DeviceNet scanner module designed for integration with SLC 500 series programmable controllers. This scanner module is used to communicate with DeviceNet capable devices over the DeviceNet network or through DeviceNet adapter modules. This module may operate in slave mode; send and receive message in Polled, Strobe, Change-of-State and Cyclic I/O configuration. The module bridges legacy SLC 500 systems with modern DeviceNet networks, making it ideal for retrofit and integration projects in existing industrial automation environments.
Key Features
- Supports configuration of up to 63 nodes at a baud rate of 125 Kbps
- Operates in slave mode with Polled, Strobe, Change-of-State and Cyclic I/O messaging
- Supports pass through configuration wherein, the 1747-SDN acts as a bridge and connects a separate DeviceNet network
- Pass through feature designed to replace the 1770-KFD, 1784-PCD, 1784-PCID, or 1784-PCIDS DeviceNet connection on the network
- Front panel includes LED status indicators for module and network status; LCD display for module address and error indication
- Provides 30V circuit isolation tested at 500V AC for 60 seconds between DeviceNet and backplane
Technical Specifications
- Communication Protocol: DeviceNet
- Backplane Voltage: 5V DC, 500 mA
- DeviceNet Supply Voltage: 24 Volts DC and of 90mA
- Maximum Nodes: Up to 63 nodes at 125 Kbps baud rate
- Operating Temperature: 0 to 60 degrees Celsius (32 and 140 degrees Fahrenheit) at 5 to 95% non-condensing humidity
- Storage Temperature: -40 to 85 degrees Celsius (-40-185 degree Fahrenheit)
- Vibration Withstand: 2G at 10-500Hz with maximum shock rating of 30G
- Enclosure: Open-style
- Mounting: Direct
- Certifications: c-UL-us and CE-certified
- Amperage: 0.5 Amp
Typical Applications
The 1747-SDN is used in legacy and mixed-generation automation environments where SLC 500 controllers must communicate with modern DeviceNet instrumentation, drives, and I/O devices. Common installations include:
- Industrial process control and monitoring systems
- Manufacturing equipment retrofit and modernization projects
- Multi-network environments requiring DeviceNet master functionality
- Machine control systems needing real-time device communication
- Facility-wide data collection from distributed DeviceNet sensors and actuators
Compatibility & Replacements
Compatible With
- SLC 500 processors: SLC 5/02, 5/03, 5/04, 5/05
- SLC 5/03, SLC 5/04 and SLC 5/05 for Pass-Through configuration
- 1746 Backplane communication architecture
- DeviceNet slave devices and adapter modules
- Studio 5000 programming environment
Replaces / Drop-In Replacement For
- 1770-KFD, 1784-PCD, 1784-PCID, or 1784-PCIDS DeviceNet connection modules
- Legacy 1770-series DeviceNet adapters
Works With
- DeviceNet protocol and master scanner functionality
- Polled, Strobe, Change-of-State, and Cyclic I/O messaging modes
- SLC 500 ladder logic programming via Studio 5000
- Pass-through network bridging for multi-network installations
- Industrial DeviceNet devices and instrumentation
