
Product Overview
The Allen-Bradley 1771-OFE2/B Analog Output Module is engineered for precise analog output control in industrial automation systems. It allows PLCs or DCS systems to manage actuators, valves, and indicators through configurable analog voltage or current signals, ensuring accurate and reliable process control.
Its modular plug-in design is fully compatible with the 1771 I/O chassis, supporting organized, scalable, and dependable analog output integration.
Technical Specifications
| Parameter |
Details |
| Manufacturer |
Allen-Bradley |
| Model |
1771-OFE2/B |
| Product Type |
Analog Output Module |
| Function |
Provides precise analog voltage/current outputs for industrial devices |
| Compatible Systems |
Allen-Bradley 1771 I/O chassis, PLCs, DCS, SCADA systems |
| Output Type |
Analog voltage/current output |
| Voltage/Current Range |
Configurable (e.g., 0–10 V, 0–20 mA) |
| Mounting Type |
Chassis-mounted (1771 I/O rack) |
| Dimensions |
165 × 51 × 89 mm |
| Weight |
0.572 kg |
| Operating Environment |
Industrial automation, process control, manufacturing systems |
| Slots Required |
Standard 1771 I/O module slot |
| Installation |
Plug-in into 1771 I/O chassis |
Function and Working Principle
The 1771-OFE2/B operates by:
- Receiving digital control signals from a PLC or DCS
- Converting digital commands into precise analog voltage or current outputs
- Driving analog devices such as actuators, valves, and indicators
- Providing isolation and protection for output circuitry
- Supporting modular replacement or system expansion without interrupting operations
This ensures accurate, reliable, and safe analog output control for industrial processes.
Role in Industrial Automation
The 1771-OFE2/B serves as a critical analog interface:
- Controls actuators, valves, indicators, and other analog devices
- Converts PLC/DCS digital commands into precise analog signals
- Maintains organized wiring for maintenance and troubleshooting
- Supports modular system expansion within the 1771 I/O chassis
- Improves process accuracy, reliability, and control efficiency
It is ideal for manufacturing, process automation, and industrial control systems that require high-quality analog outputs.
Industrial Applications
The 1771-OFE2/B is commonly used in:
- Analog-controlled actuators, valves, and indicators
- PLC/DCS-controlled process automation requiring analog outputs
- SCADA systems for monitoring and controlling analog devices
- Industrial automation systems needing modular, reliable analog outputs
- Process control environments requiring precision voltage or current signals
Its robust design ensures dependable operation in industrial environments.
Installation and System Integration
Installation steps:
- Insert the module into a standard 1771 I/O chassis slot
- Connect analog output wiring to devices (actuators, valves, or indicators)
- Verify wiring and output voltage/current settings
- Configure PLC or DCS to control analog output channels
- Maintain access for inspection, maintenance, and system expansion
Proper installation ensures safe, accurate, and reliable analog output operation.
Compatible System Components
The 1771-OFE2/B integrates with:
- Allen-Bradley 1771 I/O chassis
- PLC controllers and DCS systems
- Analog devices: actuators, valves, indicators
- SCADA systems for monitoring and control
- Other 1771 I/O modules for modular expansion
This creates a reliable and scalable analog output network.
Recommended Alternative Models
| Model |
Type |
Key Feature |
Application |
| Allen-Bradley 1771-OFE1 |
Analog Voltage Output |
Voltage output control |
PLC/DCS systems |
| Allen-Bradley 1771-OFE2 |
Analog Output Module |
Voltage/current outputs |
Industrial automation |
| Siemens SM 1232 |
Analog Output Module |
Voltage/current outputs |
PLC control panels |
| ABB AO810 |
Analog Output Module |
Precision analog signals |
Process control systems |
| GE IS200STAOH2A |
Analog Output Terminal Block |
Industrial analog outputs |
PLC automation panels |
Key Advantages
- Provides precise analog voltage/current outputs for industrial devices
- Modular design for easy installation, maintenance, and expansion
- Organized terminals for efficient wiring and troubleshooting
- Robust construction ensures long-term industrial operation
- Fully compatible with Allen-Bradley 1771 I/O chassis and PLC systems
- Supports scalable analog output networks and modular automation design
Technical FAQs
What type of outputs does it provide?
Analog voltage and/or current outputs for actuators, valves, indicators, and other devices.
How is it mounted?
Plug-in module for Allen-Bradley 1771 I/O chassis.
Is it suitable for industrial environments?
Yes, designed for reliable operation under demanding conditions.
Can it work with other 1771 modules?
Yes, fully compatible within the 1771 I/O chassis system.
Conclusion
The Allen-Bradley 1771-OFE2/B Analog Output Module is a high-precision, robust, and modular solution for analog control. Its organized terminals, precise output capabilities, and compatibility with the 1771 I/O chassis make it essential for PLC, DCS, and SCADA systems requiring safe, reliable, and accurate analog voltage or current outputs in industrial automation.