Allen-Bradley 1756-OF8IH Module – HART-Enabled

Allen-Bradley 1756-OF8IH Module – Advanced HART Analog Output Solution

Precision Process Control with HART

The 1756-OF8IH from Allen-Bradley delivers 8-channel isolated analog output with HART protocol support. This ControlLogix module provides 15-bit resolution for critical process applications. Download complete technical specifications for detailed performance data.

Technical Specifications

• Brand: Allen-Bradley/Rockwell Automation
• Model: 1756-OF8IH
• Outputs: 8 isolated channels with HART
• Current Range: 0-20mA, 4-20mA
• Resolution: 15-bit (across 24mA)
• Accuracy: ±0.15% at 4-20mA
• Isolation: 250V reinforced (3535V tested)
• Response Time: <100ms (HART enabled)
• Protection: Short-circuit and overvoltage
• Temperature: 0-60°C operating range

Installation Features

• Standard 1756 chassis mounting
• Single-slot design
• LED status indicators
• Tool-free terminal blocks

Shipping & Support

• Fast global delivery via FedEx, UPS, DHL
• 12-month warranty
• CE, ATEX certified
• RoHS compliant

Technical Questions

• Q: What HART versions does 1756-OF8IH support?
  A: Full support for HART 5, 6, and 7.
• Q: Can I use it without HART protocol?
  A: Yes, with faster 23ms response.
• Q: What’s the calibration interval?
  A> Recommended every 12 months.
• Q: Does it support voltage output?
  A: Current output only (0/4-20mA).
• Q: What’s the isolation test voltage?
  A: 3535V DC for 60 seconds.