Allen-Bradley 1762-OF4 MicroLogix 4-Point Analog Output Module | Replacement, Equivalent & Selection Guide
The Allen-Bradley 1762-OF4 is a 4-channel analog output module designed for the MicroLogix 1100 and 1400 controller platforms. It delivers precise voltage and current signal outputs for process control, drive speed reference, and valve positioning applications. This page provides full technical specifications, compatible replacement options, and a structured selection guide to help engineers and procurement teams make confident sourcing decisions.
Technical Specifications
- Part Number: 1762-OF4
- Manufacturer: Allen-Bradley / Rockwell Automation
- Module Type: Analog Output, 4-Channel
- Output Signal: 0–10 VDC / ±10 VDC / 4–20 mA (software selectable per channel)
- Resolution: 12-bit (0–4095 counts)
- Update Rate: ~2 ms per channel
- Isolation: Non-isolated (channel-to-channel)
- Power Consumption: 75 mA @ 5 VDC (from backplane)
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Storage Temperature: -40°C to 85°C
- Relative Humidity: 5–95% non-condensing
- Dimensions (H × W × D): 90 × 40 × 87 mm (approx.)
- Weight: ~200 g
- Certifications: UL, CE, cUL
- Compatible Platforms: MicroLogix 1100 (1763-L16xxx), MicroLogix 1400 (1766-L32xxx)
- Programming Software: RSLogix 500 / Studio 5000 Logix Designer (via RSLogix 500)
Compatible Replacement & Equivalent Models
When the 1762-OF4 is unavailable or discontinued, the following models may serve as functional replacements depending on your system configuration. Always verify electrical compatibility and firmware version before substitution.
- 1762-OF4 (OEM New) — Direct replacement; identical form, fit, and function.
- 1762-OF4 (Refurbished / Tested) — Cost-effective alternative; suitable for non-critical applications with verified test reports.
- 1769-OF4 (CompactLogix) — Functional equivalent for systems migrating to CompactLogix 5370/5380; requires controller and rack change.
- 1769-OF8C / 1769-OF8V — Higher-channel-count CompactLogix modules; suitable when expanding output capacity.
- CLICK PLC C0-04DAC-1 (Automation Direct) — Third-party equivalent for budget-sensitive retrofits; 4-channel, 4–20 mA output; requires custom wiring and programming.
- Siemens SM 332 (6ES7332-5HD01-0AB0) — Cross-brand equivalent for Siemens S7-300 migrations; not plug-compatible, requires full system redesign.
Note: Cross-brand replacements require engineering review. Contact support@konmask.com for compatibility assessment.
Why Choose the Original 1762-OF4
- Guaranteed Compatibility: Native integration with MicroLogix 1100/1400 backplane — no adapter or firmware workaround required.
- Proven Reliability: Rockwell Automation’s industrial-grade design rated for continuous 24/7 operation in harsh environments.
- Software Native: Full RSLogix 500 tag support, auto-configuration, and diagnostic feedback out of the box.
- Regulatory Compliance: UL/CE certified; meets IEC 61131-2 standards for PLC I/O modules.
- Long Service Life: Designed for 10+ year operational lifespan in industrial automation environments.
Typical Applications
- Variable frequency drive (VFD) speed reference signal (4–20 mA / 0–10 V)
- Proportional control valve positioning
- Process temperature setpoint transmission to PID controllers
- Conveyor speed regulation in packaging and material handling lines
- Pump flow rate control in water treatment and chemical dosing systems
- HVAC damper and actuator control
- Tension control in printing and converting machinery
System Compatibility
| Controller | Catalog Number | Compatible | Notes |
|---|---|---|---|
| MicroLogix 1100 | 1763-L16BWA / L16BBB | ✅ Yes | Full native support |
| MicroLogix 1400 | 1766-L32BWA / L32BXB | ✅ Yes | Full native support |
| MicroLogix 1200 | 1762-L24xxx | ✅ Yes | Expansion module slot required |
| MicroLogix 1000 | 1761-L10xxx | ❌ No | No expansion bus |
| CompactLogix 5370 | 1769-L18xxx | ❌ No | Use 1769-OF4 instead |
| SLC 500 | 1747-L5xx | ❌ No | Different backplane standard |
Selection Guide
Use the following decision framework to confirm the 1762-OF4 is the right module for your application:
- Step 1 — Confirm Controller Platform: Is your controller a MicroLogix 1100, 1200, or 1400? If yes, proceed. If no, consider 1769-OF4 (CompactLogix) or 1756-OF8 (ControlLogix).
- Step 2 — Count Output Channels: Do you need exactly 4 analog output channels? If you need 8+, consider 1769-OF8C/V.
- Step 3 — Verify Signal Type: Do your field devices accept 0–10 VDC, ±10 VDC, or 4–20 mA? The 1762-OF4 supports all three (software selectable).
- Step 4 — Check Backplane Slots: Confirm available expansion slots on your MicroLogix rack. The 1762-OF4 occupies one slot.
- Step 5 — Review Load Requirements: Voltage output: load ≥ 1 kΩ. Current output: load ≤ 500 Ω. Verify field device input impedance.
- Step 6 — Budget vs. Criticality: For critical production lines, specify OEM new. For maintenance spares or non-critical loops, refurbished tested units are acceptable.
Quality Assurance & Sourcing
- Source: Authorized distributor stock and verified surplus channels.
- Inspection: All units undergo visual inspection, label verification, and functional power-on testing prior to shipment.
- Packaging: Anti-static bag + foam-lined carton; original Rockwell Automation packaging where available.
- Warranty: 12-month warranty against manufacturing defects (OEM new); 90-day warranty on refurbished units.
- Traceability: Batch records and test reports available upon request for OEM new stock.
- Counterfeit Prevention: All stock sourced from traceable supply chains; hologram labels and date codes verified.
How to Order
- Part Number: 1762-OF4
- Minimum Order: 1 unit
- Lead Time: In-stock items ship within 1–3 business days; special orders 5–15 business days.
- Payment: T/T (Bank Transfer), PayPal, Trade Assurance (Alibaba), Letter of Credit (L/C) for large orders.
- Shipping: DHL / FedEx / UPS express; sea freight available for bulk orders.
- Custom Quotation: Email support@konmask.com with quantity, delivery location, and required delivery date.
- Phone / WhatsApp: +0086 19859288691
Replacement & Compatibility FAQ
Q: Can I use the 1762-OF4 with a MicroLogix 1000?
A: No. The MicroLogix 1000 does not have an expansion bus and cannot accept any 1762-series expansion modules.
Q: Is the 1762-OF4 compatible with Studio 5000?
A: The 1762-OF4 is programmed via RSLogix 500, not Studio 5000. Studio 5000 is used for CompactLogix and ControlLogix platforms.
Q: What is the difference between 1762-OF4 and 1769-OF4?
A: The 1762-OF4 is for the MicroLogix expansion bus; the 1769-OF4 is for the CompactLogix 1769 bus. They are not interchangeable.
Q: Can I mix voltage and current outputs on the same 1762-OF4 module?
A: Yes. Each of the 4 channels can be independently configured for voltage (0–10 V / ±10 V) or current (4–20 mA) output via RSLogix 500 configuration.
Q: Do you supply refurbished 1762-OF4 units?
A: Yes. Refurbished units are available with a 90-day warranty and test report. Contact us for pricing and availability.
Q: What is the lead time for out-of-stock units?
A: Typically 5–15 business days depending on sourcing channel. Contact us for a firm delivery commitment.
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