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- Allen Bradley
- 1769-OG16
- CompactLogix I/O Module
- USA
- 118 mm × 35 mm × 87 mm
- 0.32kg
- Xiamen, China
- New & In Stock
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Technical Report: TTL Digital Output Module 1769-OG16
1. Product Overview
The 1769-OG16 is a compact industrial digital output module designed for PLC-based automation systems requiring high-density low-voltage TTL signal control.
It provides 16 independent digital output channels, operating at a fixed 5 V DC TTL logic level, typically used for direct interfacing with logic-level devices, signal conditioning circuits, and fast switching control systems.
Unlike relay or high-voltage output modules, this model is optimized for low-voltage, high-speed logic applications, making it suitable for signal-level automation tasks.
2. Brand Information
- Brand: Industrial Automation Control Brand
- Product Category: PLC Digital Output Module
- Technology Field: Industrial Automation / Control Logic Systems
- Manufacturing Origin: United States (varies by production batch)
3. Product Series
- Series Name: Compact I/O Series
- System Architecture: Modular PLC expansion system
- Compatibility: Compact PLC controllers and Micro-class PLC platforms
- Installation Type: DIN rail backplane mounting
The Compact I/O platform allows flexible expansion of digital and analog modules within a unified control system architecture.
4. Product Introduction
The 1769-OG16 outputs standard TTL-level signals (4.5–5.5 V DC) used for direct digital logic control.
Each of the 16 channels is individually controlled and designed for fast switching applications where signal timing and logic integrity are critical.
It is commonly used in systems where PLC outputs must interface directly with logic circuits, counters, microelectronic control boards, or fast digital input devices.
5. Technical Parameters
5.1 Electrical Performance
| Parameter | Value |
|---|---|
| Number of Channels | 16 digital outputs |
| Output Type | TTL (5 V DC logic) |
| Voltage Range | 4.5 – 5.5 V DC |
| Logic Level (ON) | 0 – 0.4 V DC |
| Logic Level (OFF) | 4.5 – 5.5 V DC |
| Output Ripple | ≤ 50 mV peak-to-peak |
| Load Current (max) | ~24 mA per point |
| Minimum Load Current | 0.15 mA |
| Signal Delay | ~0.25 ms switching time |
| Output Behavior | Low-true (active low logic) |
5.2 Isolation & Protection
| Parameter | Value |
|---|---|
| Isolation Voltage | 1200 V AC for 2 s / 1697 V DC |
| Working Isolation Level | 75 V DC reinforced insulation |
| Output-to-Bus Isolation | Yes |
| Protection Type | Industrial reinforced isolation barrier |
5.3 Power Consumption
| Parameter | Value |
|---|---|
| Backplane Current Draw | ~200 mA @ 5.1 V DC |
| Power Dissipation | ~1.2 W |
| Thermal Design | Low-power TTL architecture |
5.4 Physical Dimensions & Weight
| Parameter | Value |
|---|---|
| Height | 118 mm |
| Width | 35 mm |
| Depth | 87 mm |
| Mounting Type | DIN rail / panel mount |
| Weight | 0.27 kg – 0.32 kg (typical range) |
| Form Factor | Single-slot compact module |
5.5 Wiring & Installation
| Parameter | Value |
|---|---|
| Wire Type | Copper conductor |
| Solid Wire Size | 22–14 AWG |
| Stranded Wire Size | 22–16 AWG |
| Cable Type | Shielded recommended (low-voltage logic) |
| Terminal Type | Removable screw terminal block |
6. Product Applications
The 1769-OG16 is designed for low-voltage digital signal distribution and high-speed logic control.
Typical application fields:
- Industrial automation control panels
- High-speed signal switching systems
- Microelectronic interface control
- PLC-to-logic circuit communication
- Semiconductor equipment control systems
- Test and measurement automation platforms
- Packaging machine logic sequencing
- Signal synchronization systems
Typical connected devices:
- Logic relays
- Signal converters
- Microcontroller input stages
- LED indicators (low current drive)
- High-speed counters and logic modules
7. Product Advantages
7.1 High-Speed Switching
Switching delay around 0.25 ms supports fast logic operations and timing-sensitive applications.
7.2 High Channel Density
16 channels in a compact module significantly reduce panel space requirements.
7.3 TTL Logic Compatibility
Direct compatibility with 5V logic systems eliminates need for external signal conditioning in many cases.
7.4 Strong Electrical Isolation
High isolation rating protects PLC backplane from external electrical noise.
7.5 Low Power Consumption
Very low internal power dissipation improves system efficiency and thermal stability.
7.6 Stable Signal Integrity
Low ripple output ensures clean logic-level transitions.
8. Recommended Models (Same Series / Related Modules)
8.1 Same Series / Closely Related Modules
| Model | Description | Key Parameters |
|---|---|---|
| 1769-OW16 | Relay output module | 16 channels, AC/DC switching capability |
| 1769-OB16 | DC transistor output module | 16-point 24 V DC output |
| 1769-IF8 | Analog input module | 8-channel analog signal acquisition |
| 1769-OF4VI | Voltage output module | ±10 V analog voltage output |
| 1769-OF4CI | Current output module | 4–20 mA analog current output |
9. Recommended Models (Same Brand – Popular Modules)
| Model | Type | Key Parameters |
|---|---|---|
| 1769-L24ER | PLC Controller | Integrated CPU, Ethernet communication, modular expansion |
| 1769-L33ER | PLC Controller | High-performance processing, motion control support |
| 1769-PA4 | Power Supply Module | 24 V DC input, backplane power distribution |
| 1769-IQ16 | Digital Input Module | 16-channel discrete input, fast switching |
| 1769-OB32 | Digital Output Module | 32-channel transistor output, high-density control |
10. Summary
The 1769-OG16 is a high-speed TTL digital output module designed for precise low-voltage logic control in industrial automation systems.
With 16 channels, fast switching response, strong isolation, and TTL compatibility, it is best suited for applications requiring direct interface with logic-level devices and high-speed digital signaling.