ProductPRODUCT
Featured products
Contact Us
- Allen Bradley
- 1769-OF8C
- CompactLogix I/O Module
- USA
- 118 mm × 35 mm × 87 mm
- 0.3kg
- Xiamen, China
- New & In Stock
- T/T, PayPal, Western Union
- 1 Year
- 1-3 Working Days
- DHL, UPS, TNT, FedEx and EMS.
- 24-Hour Service
- COO
- 33
Our advantage
Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
| Company Information | |||
| [email protected] | |||
| Mobile | +8615980777398 | ||
| +8615980777398 | |||
| 15980777398 |
Technical Report: Analog Output Module 1769-OF8C
1. Product Overview
The 1769-OF8C is a high-density industrial analog output module designed for PLC-based automation systems requiring multiple precise current control signals in a compact form factor.
It provides 8 independent single-ended current output channels, typically used for driving proportional control devices in process automation systems.
This module belongs to a modular I/O expansion architecture and is widely used in distributed control systems where scalability, stability, and signal accuracy are critical.
2. Brand Information
- Brand: Industrial Automation Control Brand
- Product Category: PLC Analog Output Module
- Application Field: Industrial Automation / Process Control Systems
- Manufacturing Origin: United States (varies by production batch)
3. Product Series
- Series Name: Compact I/O Series
- System Architecture: Modular PLC expansion platform
- Compatibility: Compact PLC controllers and Micro-class PLC systems
- Installation Method: DIN rail mounted modular backplane
This series is designed for flexible expansion of control systems without redesigning the core PLC architecture.
4. Product Introduction
The 1769-OF8C converts digital PLC signals into analog current outputs. Each channel can independently generate standardized industrial current signals such as 0–20 mA or 4–20 mA.
It is designed for high-channel-density applications, allowing a single module to control multiple field devices simultaneously.
The module is commonly used in control loops requiring precise analog current regulation, especially in process industries.
5. Technical Parameters
5.1 Electrical Performance
| Parameter | Value |
|---|---|
| Number of Channels | 8 (single-ended current outputs) |
| Output Signal Types | 0–20 mA / 4–20 mA |
| Full Scale Range | 0–21 mA / 3.2–21 mA |
| Resolution | 16-bit |
| Conversion Time | ~5 ms (all channels) |
| Accuracy | ±0.35% full scale |
| Output Type | Current |
| Load Resistance | Up to 500 Ω |
| Diagnostics | Open circuit / short circuit detection |
| Channel Status | Individual fault indication |
5.2 Electrical Isolation & Protection
| Parameter | Value |
|---|---|
| Isolation Voltage | 500 V AC / 710 V DC (1 min test) |
| Working Voltage | 30 V AC / 30 V DC |
| Isolation Structure | Channel-to-channel + channel-to-bus |
| Protection Design | Reinforced industrial insulation |
5.3 Power Consumption
| Parameter | Value |
|---|---|
| Backplane Current Draw | ~145 mA @ 5.1 V DC |
| 24V DC Consumption | ~140–185 mA |
| Heat Dissipation | 2.69 W |
| Thermal Design | Low heat density for cabinet installation |
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 – 0.30 kg (typical) |
| Installation Space | 1 slot width |
5.5 Wiring & Installation
| Parameter | Value |
|---|---|
| Wire Type | Copper conductor |
| Solid Wire Size | 22–14 AWG |
| Stranded Wire Size | 22–16 AWG |
| Terminal Type | Removable screw terminal block |
| Recommended Cable | Shielded analog signal cable |
6. Product Applications
The module is widely used in industrial automation environments requiring multiple analog current outputs.
Typical application areas:
- Chemical process control systems
- Water and wastewater treatment plants
- HVAC system automation
- Oil and gas process regulation
- Manufacturing line control systems
- Packaging automation equipment
- Power plant auxiliary control systems
- Industrial furnace and temperature control
Controlled devices include:
- Control valves
- Actuators
- Variable frequency drives (VFDs)
- Proportional regulators
- Industrial dampers
- Flow and pressure control devices
7. Product Advantages
7.1 High Channel Density
With 8 output channels in a single module, it reduces cabinet space and system cost.
7.2 Fast Response Performance
5 ms total conversion time allows fast and synchronized control across multiple channels.
7.3 Stable Current Output
Designed for industrial signal standards with stable 4–20 mA performance under load variation.
7.4 Strong Electrical Isolation
Channel-to-channel isolation improves noise resistance and system reliability.
7.5 Diagnostic Capability
Built-in fault detection for open circuit, short circuit, and out-of-range conditions improves maintenance efficiency.
7.6 Compact Industrial Design
Slim 35 mm width design enables high-density installation in PLC racks.
8. Recommended Models (Same Series / Related Modules)
8.1 Same Series / Closely Related Modules
| Model | Description | Key Parameters |
|---|---|---|
| 1769-OF2 | 2-channel analog output module | Compact design, current/voltage output |
| 1769-OF4CI | 4-channel current output module | 4–20 mA isolated outputs |
| 1769-OF4VI | 4-channel voltage output module | ±10 V / 0–10 V outputs |
| 1769-IF8 | 8-channel analog input module | High-density input acquisition |
| 1769-IF4 | 4-channel analog input module | Standard analog signal input |
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 | 24V DC input, system backplane power distribution |
| 1769-IQ16 | Digital Input Module | 16-channel discrete input, fast switching response |
| 1769-OB32 | Digital Output Module | 32-channel transistor output, high-density control |
10. Summary
The 1769-OF8C is a high-density analog current output module designed for complex industrial automation systems requiring multiple precise output channels in a compact structure.
With 8 independent outputs, fast conversion speed, strong isolation, and built-in diagnostics, it is well suited for process control systems where reliability and scalability are essential.