Analog Output Module | 1771-OFE1 Allen-Bradley
Manufacturer:
Allen-Bradley
Product No.:
1771-OFE1
Condition:
In Stock
Product Type:
Analog Output Module
Product Origin:
USA
Weight:
450g
Shipping port:
Xiamen
Warranty:
12 months
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We offer a wide range of in-stock industrial automation spare parts. All products come with a 12-month warranty and a 30-day refund for quality issues.
Allen-Bradley 1771-OFE1: Precision Analog Output Module
Critical Applications
- Process Control Valves: 0-10V positioning with ±0.1% accuracy
- Test Stands: 12-bit resolution for load simulation
- SCADA Systems: 4-channel isolation prevents ground loops
Technical Specifications
Output Performance
- Voltage Range: ±10V DC
- Current Capacity: 10mA/ch (voltage mode)
- Resolution: 12-bit (1:4095)
- Impedance: ≤0.5Ω (voltage output)
System Integration
- Backplane Power: 1.50A
- Accuracy: ±0.1% FSR @25°C
- Temp Coefficient: ±50 ppm/°C
- Isolation: 850V AC (1s test)
Current Mode Capabilities
- Max Load: 400Ω resistance
- Output Capacitance: 0.02μF
- Wiring Resistance: Not included in 0.5Ω spec
Thermal Management
- Module Dissipation: 3.1W (10.6 BTU/hr)
- Adjacent Slot Limit: ≤8.25W
- Spacing Requirement: 1-slot separation from high-heat modules
Installation Protocol
- Chassis Compatibility: 1771 I/O (single-slot)
- Wiring Practice: Twisted-pair shielded cables
- Calibration: Required after module replacement
Case Study: Chemical Dosing System
Problem: Flow control drift in corrosive environment
Solution: Isolated outputs prevented ground loop errors
Result: Maintained ±0.15% accuracy over 3 years
FAQ
Q: Minimum load resistance?
A: No minimum - operates down to 0Ω in current mode.
Q: Supported PLC platforms?
A: PLC-5, SLC 500 with 1771 adapters.
Q: Calibration interval?
A: 24 months for ±0.1% spec maintenance.
Cross-Module Comparison
| Model | Channels | Isolation | Key Advantage |
|---|---|---|---|
| 1771-OFE1 | 4 | Channel-to-channel | ±10V range |
| 1771-OFE2 | 2 | Group | Higher current (20mA) |
| 1771-OFN | 8 | None | High-density |
Compliance & Packaging
- UL/cUL, CE, ATEX certified
- ESD-protected packaging
- Warranty: 18 months
- Global shipping: FedEx/UPS/DHL
Signal Integrity Tips
- Grounding: Single-point chassis ground
- Noise Reduction: 0.1μF capacitors at load
- Cable Run: ≤15m for 12-bit accuracy
