Allen-Bradley | ControlLogix Analog Output Module 1756-OF4

Allen-Bradley 1756-OF4 – Precision 4-Channel Analog Output Module

Key Benefits

• 🎯 4 high-resolution analog outputs
• 🎯 Dual-mode ±10V DC or 4-20mA operation
• 🎯 15-bit precision (320µV/bit voltage, 650nA/bit current)
• 🎯 Ultra-fast 2ms settling time
• 🎯 Works with VFDs, valves, dampers

Technical Specifications

• Model: 1756-OF4 (ControlLogix Series)
• Output Types: Voltage (±10V) or Current (4-20mA)
• Resolution: 15-bit (21mA range)
• Response Time: 8ms (integer), 12ms (floating point)
• Power Use: 150mA @ 5V DC, 120mA @ 24V DC
• Load Capacity: 2000Ω (voltage), 750Ω (current)
• Accuracy: ±0.15% (voltage), ±0.3% (current)
• Temp Range: 0°C to 60°C

Smart Features

• 🧠 Real-time sampling and diagnostics
• 🧠 Supports RIUP (Removal/Insertion Under Power)
• 🧠 Auto-calibration every 12 months

Your Protection

• 🔒 12-month quality promise
• ✈ Fast global shipping options
• 🛠 Easy setup with 1756-TBNH/TBSH terminals

Expert FAQs

• Q: Can I mix voltage and current outputs?
  A: Yes, each channel can be independently configured.
• Q: What’s the minimum load requirement?
  A: 0.1mA minimum for current outputs.
• Q: Is this module PID controller compatible?
  A: Yes, ideal for PID control loops.
• Q: What wire size is recommended?
  A: Use 22-14 AWG for optimal performance.
• Q: How often should I calibrate?
  A: Annual calibration recommended for peak accuracy.

Resources

• 📥 Download 1756-OF4 full specifications