Allen Bradley 1764-28BXB MicroLogix 1500 programmable controller base

FAQ

Q1. What is the 1764‑28BXB module?
It is a base unit for the Allen‑Bradley MicroLogix 1500 PLC series with integrated digital inputs, outputs, DC power supply, and serial communication.

Q2. What power supply does this controller require?
It requires a 20.4–30 V DC line power supply.

Q3. How many I/O points does the 1764‑28BXB provide?
It provides 16 discrete 24 V DC inputs and 12 outputs (6 relay + 6 DC FET transistor).

Q4. Are there any high‑speed I/O capabilities?
Yes, it supports high‑speed inputs (up to ~20 kHz) and high‑speed outputs on certain FET channels.

Q5. What communication interface is available?
It features an RS‑232 serial port for programming and device communication.

Q6. What are the environmental operating limits?
It operates from 0 °C to 55 °C with 5 % to 95 % non‑condensing humidity.

Q7. What are the physical dimensions and weight?
Dimensions are approximately 138 mm × 168 mm × 87 mm, and weight is about 0.74 kg.

Q8. Is the 1764‑28BXB still available new from the manufacturer?
No, this model has been discontinued and is no longer in active production.

1764-28BXB Allen Bradley

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