Allen-Bradley 1784-KT DH+ Communication Interface Module (ISA Card)

FAQ

Q1. What is the 1784-KT used for?
It is used to connect a PC or industrial workstation to an Allen-Bradley DH+ (Data Highway Plus) network.

Q2. Is it a PLC module?
No, it is a PC interface card (ISA bus), not a PLC-mounted module.

Q3. What network does it support?
It supports DH+ (Data Highway Plus) and communication with PLC-2 and PLC-3 systems.

Q4. What is its data rate?
Up to 57.6 Kbaud on DH+, and 9.6/19.2 Kbaud for PLC serial communication.

Q5. How is it installed?
It is installed into an ISA expansion slot in a compatible industrial PC.

Q6. Does it support modern Ethernet networks?
No, it is strictly a legacy DH+ interface card.

Q7. What is its power requirement?
It uses +5 V and ±12 V rails from the PC ISA bus.

Q8. Is it still in production?
No, it is a legacy/discontinued product used mainly for maintaining older PLC systems.

1784-KT Allen Bradley

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