Allen-Bradley 1734-IE2C | POINT I/O Series | 2-Channel Input Module

Overview
The Allen-Bradley 1734-IE2C is a 2-channel analog input module from the POINT I/O series, designed for high-precision signal acquisition in distributed control systems. It enables accurate measurement of analog process variables such as voltage and current, allowing smooth data transmission between field sensors and PLCs. Engineered for compactness and reliability, this module is ideal for applications that require modularity, scalability, and space-efficient I/O configurations.

Key Features

• Provides two differential analog input channels for voltage or current signal measurement

• Compact POINT I/O form factor for distributed and modular automation systems

• Supports current and voltage input ranges including ±10V and 4–20mA

• Features high-resolution A/D conversion for precise data acquisition

• Integrated calibration and diagnostics to ensure accuracy and easy maintenance

• Hot-swappable design for system flexibility and reduced downtime

Technical Specifications

• Manufacturer: Allen-Bradley / Rockwell Automation

• Model Number: 1734-IE2C

• Product Type: POINT I/O Analog Input Module

• Number of Inputs: 2 differential channels

• Input Type: Voltage or current (configurable per channel)

• Input Ranges: ±10V DC, 0–10V DC, 0–20mA, 4–20mA

• Resolution: 13 bits (voltage/current)

• Input Impedance: 250 Ω (current), 1 MΩ (voltage)

• Conversion Rate: 1 ms typical per channel

• Accuracy: ±0.1% of full scale

• Power Supply: 24V DC (10–28.8V DC range)

• POINTBus Current Draw: 75 mA @ 5V DC

• Power Dissipation: 0.6 W typical

• Isolation Voltage: 50V continuous, reinforced insulation (field to system)

• Mounting Base: 1734-TB or 1734-TBS terminal base assembly

• Dimensions (H×W×D): 7.55 × 1.2 × 5.6 cm

• Weight: Approx. 60 g

Performance Highlights
The 1734-IE2C ensures smooth integration with Allen-Bradley POINT I/O and CompactLogix systems, enabling distributed control with reduced wiring complexity. Each input channel is individually configurable for different process signals, providing enhanced adaptability for diverse field instrumentation.

Applications

• Process control and monitoring in manufacturing environments

• Temperature, pressure, and flow signal acquisition from analog transmitters

• Industrial machinery and test equipment data collection

• Water treatment and environmental monitoring systems

FAQ

Q1: What signal types can the 1734-IE2C measure?
A1: It supports both current and voltage inputs, including ±10V, 0–10V, 0–20mA, and 4–20mA.

Q2: How many channels does the module have?
A2: The module includes two differential input channels.

Q3: Which terminal bases are compatible with this module?
A3: It can be mounted on 1734-TB or 1734-TBS base assemblies.

Q4: Can the module be replaced during system operation?
A4: Yes. It supports hot-swapping within the POINT I/O backplane.