OVERVIEW

Official designation: Allen-Bradley 1762-IF2OF2 (MicroLogix 1762 Series, Analog Combo I/O Module)

Role/Application: This analog expansion module provides two differential inputs and two single-ended outputs for precise acquisition and control, supporting 0 to 10V DC and 4 to 20 mA signals in MicroLogix 1100, 1200, and 1400 systems.

KEY SPECS SUMMARY

Power: 40 mA at 5V DC bus

Interfaces / Ports: Removable screw terminal

Indicators: None visible Status LED

Operating Temp: Minus 20 to 65 degrees C

Platform / Compatibility: MicroLogix 1762 I/O

Limit: 12-bit resolution unipolar

Lifecycle: Active Mature

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the input impedance for the voltage signal range and the current signal range?

A: Input impedance is 200 kOhms for voltage and 250 Ohms for current signal range.

Wiring & Installation:

Q: How is the input type selected for the analog input channels on the 1762-IF2OF2 module?

A: The input type (voltage or current) is selected using configuration switches located on the module face.

Troubleshooting & Compatibility:

Q: What are the update times for the input and output channels during normal module operation?

A: Input channels update in 2.5 milliseconds and output channels update in 4.5 milliseconds.

Replacement & Upgrades:

Q: Does the 1762-IF2OF2 module provide loop power for the external analog input devices?

A: No, the module does not provide loop power; an external power supply is required for analog inputs.