Overview
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1769-OB16 |
| Brand | Allen-Bradley |
| Product Type | Digital Output Module |
| Product Line | CompactLogix |
| Number of Outputs | 16 |
| Output Voltage Category | 24 VDC source |
| Operating Voltage | 20.4-26.4 VDC |
| Output Delay (ON) | 0.1 ms |
| Output Delay (OFF) | 1 ms |
| Current Draw at 5.1 V | 200 mA |
| Maximum Heat Dissipation | 2.11 W |
| Minimum On-State Current | 1 mA |
| Slot Width | 1 slot |
| DIN Rail Mounting | Supported |
| Panel Mounting | Supported |
| Weight | 0.56 lb (0.26 kg) |
| UPC | 662468992862 |
| GTIN | 10662468992869 |
Output Function and Signal Handling
The 1769-OB16 provides 16 discrete output points for switching compatible DC loads. As a source-output module, it supplies current from the positive field supply to a connected load when an output is activated. The field circuit must use a compatible supply and wiring arrangement.
The specified ON and OFF output delays describe the module’s switching response. When evaluating its use in a control sequence, consider these delays alongside the controller scan, field-device response, and load characteristics.
Installation and Configuration Considerations
The module supports DIN rail or panel mounting and occupies one slot in the configured I/O assembly. Before installation or replacement, verify the controller and I/O configuration, field supply polarity, load current requirements, and wiring arrangement.
The listed operating voltage and current draw refer to different electrical circuits. The 20.4-26.4 VDC range applies to the output field supply, while the 200 mA value refers to current drawn at 5.1 V. Do not use the backplane current figure as the allowable field-load current.
Frequently Asked Questions
Q: How many output points does the 1769-OB16 provide?
A: It provides 16 discrete output points for controlling compatible field devices in a CompactLogix I/O configuration.
Q: What field voltage does the 1769-OB16 require?
A: The supplied specifications list a 24 VDC source-output category and an operating range of 20.4-26.4 VDC. Confirm the field supply and load requirements before connecting equipment.
Q: Can the 1769-OB16 be mounted on a DIN rail or panel?
A: Yes. Both mounting methods are listed in the supplied specifications. The selected installation must also meet the requirements of the overall I/O assembly.
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