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Allen Bradley 1793-OB16P Digital Output Module with 16 Channels 500mA per Point DIN Rail Mounting
Allen Bradley 1793-OB16P Digital Output Module with 16 Channels 500mA per Point DIN Rail Mounting
16 Channels Digital Output Module
500mA per Point PLC Output Module
DIN Rail Mounting Allen Bradley Module
Place of Origin:
USA
Brand Name:
Allen Bradley
Model Number:
1793-OB16P
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Product Details
Module Location:
DIN Rail Mounting
Number Of Channels:
16 (1 Group Of 16, Nonisolated)
Surge Current:
1.5A For 50ms, Repeatable Every 2s
Off-state Leakage:
0.5mA Maximum Leakage
On-state Voltage Drop:
0.5V Dc Maximum
Flexbus Current:
80mA Maximum
Power Dissipation:
5W @ 31.2V Dc
Relative Humidity:
5 To 95% Noncondensing
Highlight:
16 Channels Digital Output Module
,500mA per Point PLC Output Module
,DIN Rail Mounting Allen Bradley Module
Payment & Shipping Terms
Minimum Order Quantity
1
Price
66USD
Packaging Details
Brand new and original
Delivery Time
2-3 work days
Payment Terms
T/T
Supply Ability
in stock
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Product Description
Sourcing vs. Sinking: How does the 1793-OB16P switch loads?
This is a 16-channel sourcing module. In plain terms, it switches the positive DC leg (the "source") to your field device. It's built for 24V DC nominal systems but handles a wide voltage swing--anywhere from a 10V floor up to a 31.2V ceiling.
What are the hard limits on per-channel current?
The module supports a continuous load of 500 mA per point. It can technically trigger with as little as 1 mA, making it compatible with high-impedance electronic inputs. Just ensure your total rack current doesn't exceed the adapter's capacity when all 16 points are energized.
Handling Inductive Loads: Can it survive inrush surges?
Yes. The hardware is rated for a 1.5 A surge lasting up to 50ms. This is specifically designed to handle the "kick" from solenoids or starter coils. You can repeat this surge every 2 seconds; any faster and you risk thermal stress on the output transistors.
How do I avoid "Ghost Signals" from off-state leakage?
With an off-state leakage max of 0.5 mA, the module is quite "clean." This low threshold prevents sensitive relays or low-wattage LED indicators from staying dimly lit or failing to drop out when the PLC command is removed.
Is the switching speed fast enough for high-speed packaging?
The module is snappy: 0.5 ms for turn-on and 1.0 ms for turn-off. While not quite at the level of specialized motion-control high-speed outputs, it's more than enough for standard discrete logic, conveyor sorting, and typical solenoid sequencing.
Backplane Budgeting: What is the Flexbus impact?
You need to budget 80 mA of Flexbus current for this card. Don't forget to add this to your total power calculation for the FLEX I/O rail. If you're stacking multiple 16-point cards, double-check that your 1794-ASB or 1794-AENT adapter can handle the cumulative draw.
Installation Steps
| Step | Action | Notes |
|---|---|---|
| 1 | Remove cover plug from male connector of the unit. | Only if a plug is installed. |
| 2 | Position module on 35 × 7.5 mm DIN rail (A-B part no. 199-DR1). | Align top of rail under rear lip. |
| 3 | Press module down to lock. | If module does not lock, push locking tab down with a screwdriver, press flush, release tab. |
| 4 | Connect to adjacent module or terminal base. | Push firmly until modules click together. |
| 5 | Repeat steps for additional modules. | - |
| 6 | To remove module: start from right side, remove one module at a time. | Insert screwdriver between modules, turn ¼ turn, slide module away, release locking lever. |
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Current Hot-Stock Categories:
Rockwell/Allen-Bradley: 1756, 1747 Series.
Siemens: Moore, S5 Series (Legacy).
Invensys Foxboro: FCP270, FBM Series.
Siemens: Moore, S5 Series (Legacy).
Invensys Foxboro: FCP270, FBM Series.
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Email: sales@amikon.cn
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