Allen-Bradley 1762-IQ8OW6 MicroLogix 1200 24VDC Input Relay Output

Product Overview

• The 1762-IQ8OW6 is a high-versatility MicroLogix combination I/O module.
• Features 8 digital inputs (Sink/Source) and 6 Form A relay outputs in one compact unit.
• Ideal for space-limited applications requiring simultaneous 24VDC sensing and multi-voltage switching.
  

Technical Specifications

• Brand: Allen-Bradley
• Model: 1762-IQ8OW6
• Module Type: Combination Digital I/O Expansion.
• Digital Inputs: 8 points; 24VDC nominal (10-30VDC range).
• Relay Outputs: 6 points; Normally Open (N.O.) contacts.
• Switching Capacity: 5-265V AC / 5-125V DC.
• Max Current: 2.5A per point (AC); 8.0A max per module.
• Backplane Draw: 110mA @ 5V DC and 80mA @ 24V DC.
• Response Time: 8ms input delay; 10ms output switching delay.

Configuration Breakdown

• 1762-IQ8OW6 MicroLogix Hybrid Interface
  • ∟ Group 1: Inputs 0-3
  • ∟ Group 2: Inputs 4-7
  • ∟ Group 3: Form A (Normally Open) Relay Outputs
• ∟ Input Section: 24VDC Digital Logic (8 points)
• ∟ Output Section: Multi-Voltage Relay Logic (6 points)

Global PLC Spare HUB's Insight

• The 1762-IQ8OW6 is the most cost-effective way to expand MicroLogix 1100/1200/1400 systems.
• Its ability to switch up to 2.5A per point at 240VAC makes it perfect for direct motor starter control.
• The Combination I/O design saves roughly 50% cabinet rail space compared to separate modules.
• Engineers favor this module for its "Sink/Source" flexibility, making it compatible with almost any industrial sensor.

Diagnostic Capabilities & Applications

• Real-time Status: Per-point LED indicators provide instant verification of field signals and output logic.
• Circuit Safety: 10VDC minimum ON-state voltage protects against "ghost" signals from inductive interference.
• Target Equipment: Conveyor systems, environmental chambers, and small industrial automation skids.
• Application Fit: Perfect for mixing 24VDC sensor inputs with high-voltage AC alarm or motor controls.

Installation & Maintenance

• Spacing Rule: Must be installed within 6 module slots of the CPU or expansion power supply.
• Protection: Use external diodes (for DC) or MOV/RC snubbers (for AC) on the relay outputs for inductive loads.
• Terminal Block: Utilize the removable terminal block for fast swap-outs during scheduled maintenance.
• Thermal Limit: Note the voltage derating: max 30VDC at 30°C, reduced to 26.4VDC at 65°C.

Commercial Logistics

• Warranty Policy: Includes a full 12-month industrial performance guarantee.
• Express Shipping: Worldwide priority dispatch via FedEx, UPS, and DHL.
• Handling Time: Genuine 1762-IQ8OW6 units are processed and shipped within 24-48 hours.
• Weight: Approximately 0.62 lbs (280g) in secure industrial packaging.

FAQ and Selection Guidance

• Can I use this module with a MicroLogix 1500?
• The 1762 series is primarily for 1100, 1200, and 1400. MicroLogix 1500 typically uses the 1769 series expansion I/O.
• How do I handle the high backplane current of 110mA?
• Check your CPU power supply budget in RSLogix/Connected Components Workbench to ensure you haven't exceeded the 5V power rail limit.
• Expert Selection Tip: Why choose the IQ8OW6 over separate modules?
• Choose this when you need both inputs and outputs but have only one expansion slot left in your MicroLogix chassis.
• What is the maximum current this module can switch in total?
• While each relay can handle up to 2.5A, the total module current must not exceed 8.0A to prevent thermal damage to the internal bus.
• Is the relay output isolated from the PLC logic?
• Yes, the 1762-IQ8OW6 features galvanic isolation between the low-voltage backplane and the high-voltage relay contacts.

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