AB 1769-OB32 Programmable Logic Controller PLC Hot Swappable PLC Output Module

The Allen‑Bradley 1769‑OB32 belongs to Rockwell 1769 Compact I/O series, a high-density solid-state digital sourcing output expansion module matched with CompactLogix and MicroLogix 1500 PLC controllers. This module receives digital operation commands sent by the PLC main processor through the backplane bus, converts internal logic signals into 24V DC field driving signals, and drives field execution components including DC solenoid valves, contactor coils, indicator lamps, small DC motors and alarm buzzers. It expands PLC digital output capacity massively for automated assembly lines and multi-action machinery. The module supports hot swap; maintenance or module replacement can be completed without shutting down the whole control system, avoiding long-time production halt. It undertakes on/off logic execution of automation equipment, realizing sequential action, interlock control, alarm trigger and equipment status indication.

• 🔥 Hot Swappable Design for Non-stop Maintenance Supports online hot plug replacement. Operators can pull out and replace faulty modules while the PLC system keeps running normally. No full-line power cut required, greatly reducing equipment downtime and maintenance loss for continuous production factories.
• 📶 32-Channel High-density Output, Cabinet Space Saving 32 digital outputs in only 1.5 rack slots, featuring ultra-high channel density. It cuts total number of I/O modules, shrinks control cabinet size, lowers overall cabinet cost and wiring workload for devices with dozens of actuators.
• 🛡️ Optical Isolation & Strong Anti-interference Optocoupler isolation between field output channels and internal PLC bus. Dielectric withstand reaches 1200V AC (1 second) /1697V DC (1 second), blocking high-frequency noise, surge voltage and ground loop interference from field circuits. Protects CPU against field wiring short circuit and surge damage.
• 💡 Channel LED Status Diagnosis Independent LED indicator for each of the 32 channels. Light on = channel energized, light off = de-energized. Technicians judge channel failure, open circuit and wiring error visually without extra testing tools, accelerating on-site troubleshooting.
• ⚡ Solid-state Stable Output & Wide Current Adaptation Solid-state transistor sourcing output, no mechanical contact wear. Max 1A per channel at 30℃, 0.5A derated at 60℃; tolerates 2A 10ms surge current to cope with startup impulse of inductive loads like valves and relays.
• 🌡️ Rugged Industrial Environmental Adaptability Wide operating temperature range of 0℃~+60℃, passes strict EMC, vibration and shock certification. Resists interference from inverters, welding machines and high-power motors, suitable for humid, dusty industrial workshops.
• 🧩 Full Compatibility & Easy Installation Fully compatible with CompactLogix all models and MicroLogix 1500 controllers; supports standard 35mm DIN rail or direct panel mounting. Terminal blocks accept 14~22 AWG wires; fixed bus locking buckle prevents loose connection caused by equipment vibration.

1. Packaging & Filling Machinery Control conveyor motors, packaging cylinder valves, sealing heating relays, labeling actuators and counting indicator lights for food packaging, bottle filling and carton forming lines. High channel density matches multi-cylinder packaging equipment demands.
2. Food & Beverage Production Drive pipeline solenoid valves, cleaning pumps, oven heating contactors, fan motors and fault alarm lights of CIP cleaning, baking, beverage blending assembly lines. Hot swap guarantees continuous food production without shutdown.
3. General Machinery Automation Machine tools, injection molding machines, stamping equipment, automated fixture clamps; control hydraulic valves, cooling fans, lubrication pumps and equipment running indicators.
4. Logistics & Sorting System Parcel sorting conveyor diverters, stopper cylinders, barcode trigger lights, sorting error alarms; dozens of digital actions require massive low-cost output expansion.
5. Water Treatment & Environmental Protection Control dosing pumps, drainage valves, blower fans, tank level alarm lamps for sewage treatment, pure water preparation and wastewater dosing systems.
6. HVAC & Factory Central Air Control Air supply fans, exhaust valves, fresh air dampers, filter clogging warning lights for workshop air conditioning and dust removal systems.

Installed on CompactLogix rack inside electrical cabinet via DIN rail. 24V DC solenoid valves, relays and signal lamps connect module terminals with shielded cables. PLC sends logic instructions to turn channels on/off to realize automatic process actions. LED lights support fast on-site troubleshooting; hot swap allows maintenance during equipment operation.

All goods are original Allen‑Bradley brand new genuine products, individually packed with anti-static cartons. Unique serial number traceable for authenticity verification. Stored in constant-temperature dust-proof electronic warehouse with moisture-proof protection. Complete accessories include installation manual, terminal labels and certification files. Bulk stock supports sample order and batch shipment, with official 12-month global factory warranty.

Net weight per unit: 450g Gross weight with original independent packing box: 520g