Allen Bradley 1747-SCNR SLC 500 ControlNet Scanner Module

Product Description

The Allen Bradley 1747-SCNR ControlNet Scanner Module is designed for the SLC 500 series, enabling communication between SLC processors and ControlNet networks. It supports both redundant and non-redundant media configurations, providing reliable I/O scanning and integration across distributed automation systems.

Technical Specifications

• Manufacturer: Allen Bradley

• Product Number: 1747-SCNR

• Product Line: SLC 500

• Product Type: ControlNet Scanner Module

• Weight: 0.45 kg

• Communication Protocol: ControlNet

• Compatible Processors: SLC 5/02, 5/03, 5/04, 5/05

• Scan I/O: Supported

• ControlNet Topology: Redundant and non-redundant media supported

• Chassis Location: Any slot except the leftmost slot

• Backplane Current Draw:

• 24 VDC: 90 mA

• 5 VDC: 800 mA

• Operating Temperature Range: 0–60 °C (32–140 °F)

Application Scenarios

This module is commonly used in distributed control systems requiring ControlNet communication for real-time data exchange. It is suitable for manufacturing, process control, and large-scale automation environments where reliable I/O scanning is critical.

Comparison with Similar Modules

• 1747-SCNR: Supports ControlNet communication with SLC 500 processors, redundant media capability.

• Other SLC communication modules: May support DH+, Ethernet, or DeviceNet but lack ControlNet redundancy features.

FAQ

Q: Can the 1747-SCNR be installed in any slot of the chassis?  A: It can be installed in any slot except the leftmost slot.

Q: Which processors are compatible with this module?  A: It supports SLC 5/02, 5/03, 5/04, and 5/05 processors.