Output Module Allen-Bradley 1756-OF8H Hart Analog ControlLogix

Product Overview

The Allen-Bradley 1756-OF8H is a Hart analog output module. It belongs to the ControlLogix series. This module provides 8 differential output channels. It supports current and voltage signals. The current range is 0-20 mA or 4-20 mA. The voltage range is +/-10 VDC. It has a resolution of 15 to 16 bits. The module offers high accuracy for industrial control. It also supports HART communication protocol.

Application Scenarios

This module is ideal for process control. It works well in oil and gas plants. It is suitable for chemical processing facilities. It can control valves and actuators. It is used in power generation systems. It fits into water treatment plants. It supports demanding automation tasks. The HART capability allows for smart device integration. It is perfect for precise analog output needs.

Technical Specifications

The 1756-OF8H has a thermal dissipation of 16.78 BTU/hr. Power dissipation is 4.92W. Isolation voltage is 50V. It has open circuit detection. Current settling time without HART is below 23ms. With HART, it is below 37ms. Voltage settling time is 8.5ms to 95%. Calibration accuracy is 0.1% for voltage. Current accuracy is 0.15% without HART. The module operates from 0 to 60 deg C. It draws 230 mA at 5.1 VDC and 230 mA at 24 VDC. Backplane power is 6.54W.

Installation & Maintenance Guide

Install the module into a ControlLogix chassis. Use a 1756-TBNH or 1756-TBSH terminal block. Ensure power is off before installation. Set the open circuit detection time below 0.1 mA. Standard calibration interval is 12 months. Keep the enclosure area clean. Do not exceed the operational temperature range. Use proper grounding techniques. Follow Rockwell Automation guidelines for safety.

Packing List

1 x Allen-Bradley 1756-OF8H Module. 1 x Installation Manual. No terminal block included. Terminal blocks sold separately. The module is packed in anti-static material. It is shipped in a sturdy box. Use FedEx, UPS, or DHL for shipping.