1794-OV16 Allen-Bradley Flex I/O Sinking Output Module

Product Overview

The 1794-OV16 is a Flex I/O digital output module from Allen-Bradley. It belongs to the 1794 series. This module provides 16 sinking outputs. Each output works at 24 Volts DC. The module supports a nominal on-state voltage of 24V DC. It handles up to 500 mA per channel. The maximum off-state voltage is 31.2V DC. The module draws 80 mA from the FlexBus. It dissipates 4.2 Watts at 31.2V DC. This unit is open style with an IP20 rating. You can mount it on a DIN rail.

Application Scenarios

This module suits many industrial automation tasks. Use it to control solenoids, relays, and indicator lamps. It works well in discrete manufacturing lines. It also fits process control systems. The module communicates via ControlNet, DeviceNet, EtherNet/IP, or Universal Remote I/O. You can install it in control panels with limited space. The 1794-OV16 operates from 0 to 55 degrees Celsius. It tolerates humidity from 5 to 95 percent noncondensing.

Technical Specifications

1794-OV16 has 16 sinking outputs. The on-state voltage range is 10 to 31.2V DC. Each channel can carry 500 mA maximum. The total output current per module reaches 8.0A. Off-state leakage current stays below 0.5 mA. The on-state voltage drop is at most 0.2V DC. The output delay from off-to-on is 0.5 ms. From on-to-off the delay is 1.0 ms. The thermal dissipation equals 14.3 BTU/hr at 31.2V DC. The module uses a terminal base such as 1794-TB3 or 1794-TB3S. It requires an external power supply of 10 to 31.2V DC with 5% AC ripple. The current draw from the power supply is 20 to 65 mA.

Installation & Maintenance Guide

Install the module on a DIN rail. First, attach the terminal base to the rail. Then snap the 1794-OV16 onto the base. You can insert or remove the module under power. This feature saves time and avoids system restarts. Use screw clamp terminals for wiring. Follow the terminal assignments in the manual. The module has 16 yellow LED indicators. Each LED shows the output signal status. Regularly check the LEDs for proper operation. Keep the module clean and dry. Do not expose it to excessive vibration.

Packing List

Each package includes one Allen-Bradley 1794-OV16 digital output module. It also contains a quick start guide. Shipping is via FedEx, UPS, or DHL. We pack the unit securely to prevent damage.