Allen Bradley 1756-PBXT ControlLogix‑XT DC Power Supply

FAQ

Q1: What is the 1756‑PBXT used for?
It is a DC power supply module designed for ControlLogix‑XT systems, supplying DC power to the chassis.

Q2: What input voltage range does the PBXT support?
It supports a DC input range of 18–32 V with a nominal 24 V DC.

Q3: How much output power does the PBXT deliver?
It provides up to 52 W of total output power.

Q4: Which voltage rails and currents does it provide?
It delivers multiple voltage rails: 5 V @ 8 A, 3.3 V @ 4 A, 1.2 V @ 1.5 A, and 24 V @ 1.75 A.

Q5: What are the environmental operating conditions?
The module operates in temperatures from –25 °C to 70 °C and humidity 5–95 % non‑condensing.

Q6: Does the PBXT have redundancy capability?
No, it is a single DC supply for XT chassis and does not support redundant power sharing.

Q7: How big and heavy is this power supply module?
Its dimensions are approximately 140 mm × 112 mm × 145 mm and it weighs about 0.95 kg.

Q8: What type of chassis is the PBXT compatible with?
It is compatible with ControlLogix‑XT chassis designed for extended temperature operation.

1756-PBXT Allen Bradley

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