Allen Bradley 1794-ID2/B Flex I/O 2-Channel Incremental Encoder Module

Overview

The Allen-Bradley 1794-ID2/B is a FLEX I/O incremental encoder input module designed for precise motion and position signal acquisition in industrial automation systems. It is used to interface incremental encoders with control systems, enabling accurate speed, direction, and position feedback for motion control applications.

General Information

Part Number: 1794-ID2/B

Brand: Allen-Bradley (Rockwell Automation)

Country of Origin: USA

Series: FLEX I/O

Type: Incremental Encoder Input Module

Mounting: DIN rail / FLEX I/O terminal base installation

Function: Encoder signal acquisition for motion control systems

Technology: High-speed differential input processing with backplane communication

Power Specifications

Supply Voltage: 24 V DC (nominal)

Power Consumption: Low power consumption, typically under 5 W

Input Type: Incremental encoder signal inputs (A/B channels)

Protection: Electrical isolation, noise filtering, and surge protection

Indicators: LED status indicators for channel activity and module diagnostics

Communication & Interface

Input Channels: 2-channel incremental encoder inputs

Signal Processing: High-speed pulse counting and direction detection

System Integration: Interfaces with FLEX I/O adapters for controller communication

Diagnostics: Signal integrity monitoring and fault detection

Response Time: High-speed response suitable for motion and positioning control

Environmental

Operating Temperature: 0 to +55 °C

Storage Temperature: −40 to +85 °C

Humidity: 5% to 95% RH, non-condensing

Vibration Resistance: Suitable for industrial motion control environments

Protection Rating: IP20 (installed inside enclosure)

Dimensions & Weight

Dimensions (H × W × D): 94 × 46 × 53 mm

Weight: 0.1 kg

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