Allen Bradley 1756-A4 ControlLogix Chassis

FAQ

Q1: What is the 1756‑A4 used for?
It is a 4‑slot chassis that provides the backplane and power distribution for Allen‑Bradley ControlLogix I/O and communication modules.

Q2: How many slots does it have?
It supports four slots for ControlLogix I/O and communication modules.

Q3: What backplane voltages and currents does it support?
It provides backplane current for the 1.2 V, 3.3 V, 5.1 V, and 24 V power rails with specified current capacities.

Q4: What mounting orientation is required?
The chassis is designed for horizontal panel mounting.

Q5: What temperature range does the chassis operate in?
It operates between 0 °C and +60 °C under normal conditions.

Q6: Does the chassis include a power supply?
No — the chassis itself is a mechanical/connector rack; a separate ControlLogix power supply module is required.

Q7: What size enclosure space is needed?
A minimum cabinet size of approximately 20.3 × 50.8 × 20.3 cm is recommended for installation.

Q8: Is the 1756‑A4 still actively supported?
Yes — it remains an active chassis offering within the ControlLogix product family.

1756-A4 Allen Bradley

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.