Allen-Bradley | ControlLogix Analog Output Module 1756-OF8H

Allen-Bradley 1756-OF8H – High-Precision HART Analog Output Module for ControlLogix

Key Features

• 8-channel analog output (current/voltage)
• Built-in HART modem for smart device communication
• Works with 0-20mA, 4-20mA, and ±10VDC signals
• 15-16 bit resolution for accurate control
• Open-circuit detection for current outputs

Technical Specifications

• Brand: Allen-Bradley
• Model: 1756-OF8H (ControlLogix Series)
• Output Types: Current (0-20mA/4-20mA) / Voltage (±10VDC)
• Accuracy: 0.1% (voltage), 0.5% (current)
• Isolation: 50V between outputs and backplane
• Response Time: 23ms (current), 8.5ms (voltage)
• Power: 230mA @ 5.1VDC & 24VDC
• Wire Size: 22-14 AWG (supports single/double wire)
• Operating Temp: 0°C to 60°C

Installation & Compatibility

• Fits standard ControlLogix chassis (1 slot)
• Works with Logix5000 controllers
• Uses removable terminal blocks (1756-TBNH/TBSH)

Warranty & Shipping

• 12-month warranty
• Fast global shipping via FedEx, UPS, DHL

FAQ

• Q: Does the 1756-OF8H support HART communication?
  A: Yes, it has a built-in HART modem for smart device integration.
• Q: What is the resolution of this analog output module?
  A: It offers 15-16 bit resolution for precise signal control.
• Q: Can I use both current and voltage outputs at the same time?
  A: Yes, each channel can be independently configured.
• Q: What wire sizes are compatible?
  A: Supports 22-14 AWG (single/double wire).
• Q: Is open-circuit detection available?
  A: Yes, but only for current outputs (below 0.1mA).

Download Resources

• For full details, download the 1756-OF8H manual here.