Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Allen‑Bradley 1756‑OB16I ControlLogix Isolated Digital DC Output Module |
| Module Type | Individually isolated digital DC output |
| Series | ControlLogix 1756 I/O family |
| Number of Outputs | 16 individually isolated DC output channels |
| Output Voltage Range | 10 – 30 V DC (nominal 12/24 V source) |
| Output Configuration | Sink/source outputs with individual isolation |
| Output Current per Point | Up to 2 A @ 30 °C, derated to 1 A @ 60 °C |
| Total Output Current | ~8 A @ 30 °C, ~4 A @ 60 °C (linear derating) |
| Isolation Voltage | ~250 V continuous (outputs‑to‑backplane) |
| Backplane Current (5.1 VDC) | ~350 mA |
| Backplane Current (24 VDC) | ~2.5 mA |
| Power Dissipation (Max) | ~3.6 W @ 60 °C |
| Minimum Load Current | ~1 mA per point typical |
| Surge Current per Point | ~4 A for 10 ms, repeatable every 2 s |
| Output Delay Time | OFF→ON ~1 ms max, ON→OFF ~2 ms max |
| 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 | Removable terminal block (e.g., 1756‑TBCH / 1756‑TBS6H) |
| Mounting | Installed in ControlLogix chassis slot |
| Dimensions (H × W × D) | ~300 mm × 38.1 mm × 111.25 mm (standard 1756 module footprint) |
| Weight | ~0.34 kg |
FAQ
FAQ
Q1: What is the main purpose of the 1756‑OB16I module?
It provides 16 individually isolated DC output channels for switching external loads in a ControlLogix system.
Q2: What DC voltage range does this module operate in?
It supports an operating range of 10 – 30 V DC, with a nominal 12/24 V source.
Q3: How much current can each output channel supply?
Each channel can supply up to 2 A at 30 °C, derated to 1 A at 60 °C.
Q4: Is there electrical isolation in this module?
Yes, each output is individually isolated with approximately 250 V continuous isolation to the backplane.
Q5: What is the typical backplane power usage?
It draws about 350 mA at 5.1 VDC and about 2.5 mA at 24 VDC.
Q6: What are the output switching time characteristics?
Typical OFF→ON delay is up to ~1 ms and ON→OFF up to ~2 ms.
Q7: What are the typical physical dimensions of the module?
It follows the standard ControlLogix I/O module size, about 300 mm × 38.1 mm × 111.25 mm.
Q8: How much does the module weigh?
Approximately 0.34 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.
