IP-PI-OI24 Digital I/O Module

Overview

Place of Origin:	USA
Brand Name:	HONEYWELL
Model Number:	IP-PI-OI24
Packaging Details:	Original new Factory Sealed
Delivery Time:	5-7 days
Payment Terms:	T/T
Supply Ability:	In stock

Specifications

Description

The Honeywell IP-PI-OI24 is a digital I/O module. This module can be connected to switches, limit switches, solenoid valves, and indicator lights on the production line via wiring points. It sends field button presses or goods arrival status to the system and transmits system commands to motors or valves, causing machines to start, stop, or trigger alarms sequentially.

Applications

Oil refinery: Used in explosion-proof cabinets for isolated collection of pump, valve, and level switch signals with interlock control output.

LNG plant: Applied in distributed I/O networks for real-time tracking of compressors and pump discrete control logic.

Chemical plant: Centralizes high-density switch signals from reactors and batching areas with strong surge immunity.

Thermal power plant: Provides fast digital I/O for coal handling, water treatment, and boiler auxiliary systems under EMI.

Offshore platform: Compact high-channel design saves cabinet space while enabling fully isolated I/O and local control for deck equipment.

Troubleshooting Guide

Complete Board No Signal Output/Input: First, check if the 24 VDC nominal DC power supply is properly connected. Use a multimeter to measure the module's main power terminals to rule out loose power cables or a tripped external power supply.

Individual Channel Logic Not Triggered: Because this module has full-channel high and low voltage opto-isolation, damage to one channel will not affect the others. Focus on checking the external field wiring of the specific channel for grounding faults or whether the optocoupler has been burned out by a momentary overvoltage.

Intermittent Response Lag: Check the electromagnetic radiation from high-voltage cables around the module. Although opto-isolation can block electrical connections, if high and low voltage wiring are not separated, spatial radiation may cause external interference signals to trigger falsely, thus affecting the actual timing response of <10 ms.

FAQ

Q: What are the channel count and electrical isolation of IP-PI-OI24?
A: 24 independent physical channels, full-channel high- and low-voltage optocoupler isolation.

Q: What is the rated supply voltage of IP-PI-OI24?
A: 24 VDC.

Q: What is the signal response delay of IP-PI-OI24?
A: Less than 10 ms (input/output switching).

Q: What isolation device is used in IP-PI-OI24?
A: Optocoupler.

Q: How are the channels of IP-PI-OI24 configured?
A: Each channel is an independent physical channel.