1747-KE | Allen-Bradley SLC 500 | DH-485/RS-232C Interface Module

Product Description

The Allen-Bradley 1747-KE is a versatile interface module for SLC 500 systems, providing DH-485 and RS-232C communication ports with isolated connections for reliable data transfer.

Technical Specifications

• Manufacturer: Allen-Bradley

• Model Number: 1747-KE

• Product Type: Interface Module

• PLC Series: SLC 500

• Module Type: DH-485/RS-232C Interface

• Weight: 0.43 kg (0.94 lbs)

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

• Storage Temperature: −40 °C to +85 °C (−40–185 °F)

• Relative Humidity: 5–95% non-condensing

• Number of Ports:

• 1 Configuration Port

• 1 DF1 Port

• 1 DH-485 Port

• Supported Protocols: DH-485, DF1

• Transmission Speed: 300–19,200 Kbps

• Port Isolation: 500 VDC between Backplane and each port; 500 VDC between CONFIG and DF1 ports

• Clock/Calendar Accuracy: ±1 min/month at 25 °C; +0/−6 min/month at 60 °C

• Slot Width: 1 slot

• Backplane Current: 5 V: 150 mA; 24 V: 40 mA

• Communication Ports: RS-232/423, RS-422, RS-485, DH-485

• Cable Compatibility: Belden 9463

• Connectors: 6-pin Phoenix connector

Key Features

• Multi-Port Communication: Supports both DH-485 and RS-232C interfaces for flexible system integration.

• Isolated Connections: 500 VDC isolation ensures safe operation and protection of backplane circuits.

• Wide Transmission Range: 300–19,200 Kbps for diverse control network requirements.

• Clock/Calendar Accuracy: Maintains reliable timekeeping for system operations.

• Compact Module: Fits a single slot in SLC 500 racks with minimal panel space.

Application Scenarios

• Connecting SLC 500 controllers to DH-485 or RS-232C devices

• Communication with remote I/O or operator interfaces

• Data acquisition systems and distributed control networks

• System expansion requiring isolated communication ports

FAQ

Q1: Which protocols does the 1747-KE support?
It supports DH-485 and DF1 protocols for PLC and device communication.

Q2: Can it be mounted in a standard SLC 500 rack?
Yes. The module occupies 1 slot in the SLC 500 rack system.

Q3: How is the module protected against electrical interference?
All ports feature 500 VDC isolation from the backplane and between ports for safety and signal integrity.