Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Allen‑Bradley 1756‑PB75 ControlLogix DC Power Supply |
| Module Type | Standard DC power supply module |
| Series | ControlLogix 1756 I/O family |
| Input Voltage Range | 18 – 32 V DC (nominal 24 V DC) |
| Nominal Input Voltage | 24 V DC |
| Input Power | ~95 W max |
| Output Power | 75 W @ 0 – 60 °C |
| Output Voltages & Currents | 1.2 V DC @ 1.5 A; 3.3 V DC @ 4 A; 5.1 V DC @ 13 A; 24 V DC @ 2.8 A |
| Hold‑Up Time | ~35–40 ms (depending on input level) |
| Isolation Voltage | ~250 V continuous reinforced insulation (input to backplane) |
| Max Inrush Current | ~30 A |
| Mounting | Installed in left‑side slot of ControlLogix chassis |
| Chassis Compatibility | Most 1756 Series B/C chassis (e.g., 1756‑A4, A7, A10, A13, A17) |
| Operating Temperature Range | 0 °C to 60 °C |
| Storage Temperature Range | –40 °C to 85 °C |
| Relative Humidity (Non‑condensing) | 5 % to 95 % |
| Connection Type | Chassis backplane connection |
| Dimensions (H × W × D) | ~140 mm × 112 mm × 145 mm |
| Weight | ~0.95 kg (~2.10 lb) |
FAQ
FAQ
Q1: What is the purpose of the 1756‑PB75 module?
It supplies DC backplane power to a ControlLogix chassis and its installed I/O modules.
Q2: What input voltage range does this power supply accept?
It operates from 18 V to 32 V DC with a nominal 24 V input.
Q3: How much output power does it provide?
It delivers up to approximately 75 W of total power to the chassis at 0 – 60 °C.
Q4: What output rails and currents are available?
It provides multiple backplane DC rails including 1.2 V, 3.3 V, 5.1 V, and 24 V with respective currents of ~1.5 A, ~4 A, ~13 A, and ~2.8 A.
Q5: Does this module have isolation protection?
Yes, it has reinforced insulation rated around 250 V continuous between the power input and backplane.
Q6: How long can it maintain output during brief input drops?
Hold‑up times are around 35–40 ms depending on input DC voltage level.
Q7: What chassis can it be installed in?
It fits the left‑side power slot of most Series B or C ControlLogix 1756 chassis such as A4, A7, A10, A13, or A17.
Q8: What are the size and weight of the module?
The unit measures approximately 140 mm × 112 mm × 145 mm and weighs about 0.95 kg.
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Packing & Delivery
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.
