1734-IE21 | Allen Bradley | POINT I/O 2-Channel Isolated Analog Input Module

Product Description

The Allen Bradley 1734-IE21 is a POINT I/O analog input module designed to provide two isolated input channels for precise voltage and current signal measurement. Its compact design makes it ideal for distributed control systems where space efficiency and reliable signal processing are critical. With 16-bit resolution, removable terminal blocks, and LED indicators, the 1734-IE21 ensures accurate data acquisition and simplified maintenance in industrial environments.

Technical Specifications

• Manufacturer Allen Bradley

• Product Line POINT I/O 1734 Series

• Product Type Isolated Analog Input Module

• Part Number 1734-IE21

• Inputs 2 isolated analog channels

• Input Signal Types Voltage and current

• Voltage Range ±10 V DC

• Current Range 0–20 mA or 4–20 mA

• Resolution 16-bit

• POINTBus Current Draw 75 mA @ 5 V DC

• Power Dissipation 1.5 W

• Thermal Dissipation 5.1 BTU/hr

• Dimensions 56 × 12 × 75.5 mm (2.2 × 0.47 × 2.97 in)

• Indicators LED status lights for input and system feedback

• Terminal Blocks Removable for simplified wiring

• Enclosure Type Open-style

Features

• High accuracy for precise analog measurements

• Electrical isolation to maintain signal integrity

• Slim profile for space-constrained installations

• Easy wiring and maintenance with removable terminal blocks

• LED indicators for quick diagnostics

• Rugged design for industrial environments

Application Scenarios

• Distributed control systems requiring isolated analog inputs

• Machine-level monitoring of voltage and current signals

• Industrial automation processes needing high-resolution data acquisition

FAQ

Q: How many inputs does the 1734-IE21 provide?  A: Two isolated analog input channels.

Q: What signal ranges are supported?  A: ±10 V DC for voltage and 0–20 mA or 4–20 mA for current.

Q: Does the module include LED indicators?  A: Yes, it provides LED feedback for input states and system status.

Comparable Models

• 1734-IE21: 2-channel isolated analog input (this model)

• 1734-IE2C: 2-channel current-only input module

• 1734-IE4C: 4-channel analog input module