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OVERVIEW
Official designation: Allen-Bradley 1747-KE (SLC 500, Communication Module)
The 1747-KE module provides communication services for SLC 500 systems, converting DH-485 to RS-232C for connection to programming terminals, printers, or modems. It occupies a single slot in the chassis.
KEY SPECS SUMMARY
Power: 5V DC, 350 mA (backplane)
Interfaces / Ports: 9-pin D-shell (RS-232C), 8-pin mini-DIN (DH-485)
Indicators: TX, RX, DH-485 Status, Comm Error (4 LEDs)
Operating Temp: 0 to 60 degrees C
Platform / Compatibility: SLC 500 family
Limit: Single channel communication
Lifecycle: Discontinued
FREQUENTLY ASKED QUESTIONS
Technical Specifications:
Q: What are the primary communication protocols supported by the 1747-KE module?
A: The module supports data exchange via DH-485 network and RS-232C point-to-point links.
Wiring & Installation:
Q: Which couplers are compatible for use with the DH-485 port on the 1747-KE?
A: The 1747-KE is designed for use with the 1747-C11, 1747-C13, and 1747-AIC couplers.
Troubleshooting & Compatibility:
Q: What does an illuminated TX or RX indicator LED signify during operation?
A: An illuminated TX or RX LED indicates active data transmission or reception on the DH-485 network.
Replacement & Upgrades:
Q: What module is typically recommended as a modern replacement for the 1747-KE in new systems?
A: Newer platforms often utilize Ethernet communication modules instead of the legacy DH-485 protocol.
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