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Allen-Bradley 1790-0V16X CompactBlock LDX 16-Point DC Sinking Output Expansion Block – Technical Specifications and FAQ
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Allen-Bradley |
| Manufacturer | Rockwell Automation |
| Model | 1790-0V16X |
| Product Series | CompactBlock LDX |
| Product Type | Digital output expansion block |
| Communication Network | DeviceNet |
| Number of Outputs | 16 points |
| Output Type | DC sinking (NPN) |
| Rated Output Voltage | 24 V DC nominal |
| Output Voltage Range | 10–28.8 V DC |
| Maximum Output Current | 0.5 A per output |
| Maximum Current per Common | 4.0 A |
| Output Configuration | 8 points per common; 2 commons |
| Output Signal Delay | OFF to ON: 0.5 ms max; ON to OFF: 1.0 ms max |
| OFF-state Leakage Current | 0.5 mA maximum |
| ON-state Voltage Drop | 0.5 V DC maximum |
| Field Power Supply | 24 V DC nominal |
| Field Power Voltage Range | 10–28.8 V DC |
| Isolation | Photocoupler isolation between I/O and logic; 1250 V AC RMS |
| Connection Type | 37-pin D-shell connector |
| Status Indicators | 16 green output status indicators |
| Mounting | Expansion connection to compatible CompactBlock LDX base |
| Country of Origin | USA |
| UPC | 612598278619 |
| Lifecycle Status |
Discontinued
June 30, 2024 |
| Replacement | Engineering replacement; verify compatibility with the existing system |
| Dimensions | 104 × 42 × 52 mm |
| Weight | Approx. 0.5 kg (supplier-listed; not manufacturer-confirmed) |
FAQ
FAQ
Q1: What is the Allen-Bradley 1790-0V16X used for?
A: It is a 16-point digital output expansion block used to increase the output capacity of a compatible CompactBlock LDX DeviceNet I/O system.
Q2: What type of outputs does the 1790-0V16X provide?
A: It provides 16 DC sinking (NPN) outputs for controlling compatible 24 V DC field devices.
Q3: What is the rated output voltage?
A: The nominal output voltage is 24 V DC, with an operating range of 10–28.8 V DC.
Q4: What is the maximum output current?
A: Each output supports up to 0.5 A, with a maximum of 4.0 A per common.
Q5: What type of electrical connection does it use?
A: It uses a 37-pin D-shell connector for field wiring.
Q6: What is the difference between 1790-0V16X and 1790-OB16X?
A: The 1790-0V16X provides 16 sinking (NPN) outputs, while the 1790-OB16X provides 16 sourcing (PNP) outputs. Their wiring and common configurations differ.
Q7: Is the 1790-0V16X discontinued?
A: Yes. Rockwell Automation lists June 30, 2024, as its discontinuation date.
Q8: What are the dimensions and weight for shipping?
A: The manufacturer does not publish confirmed overall dimensions or net weight. A supplier lists approximately 0.5 kg. Confirm the actual packed dimensions and gross weight before arranging international freight.
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Packing & Delivery
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