Allen-Bradley 1738-SSIM23 | ArmorPoint SSI Absolute Encoder Interface Module

Overview

The Allen-Bradley 1738-SSIM23 is an ArmorPoint I/O module designed to interface with SSI (Synchronous Serial Interface) absolute encoders. It facilitates precise position data acquisition from encoders supporting standard SSI protocols, including linear, rotary, and optical distance measuring devices. Equipped with an M23 connector, this module ensures secure and reliable connections in industrial environments. Its IP67-rated housing allows for direct machine mounting without the need for additional enclosures.

Key Features

• SSI Interface:

  • Supports standard SSI protocols for absolute encoders.

  • Compatible with various encoder types, including linear, rotary, and optical distance measuring devices.

  • Configurable data rates: 125 kHz, 250 kHz, 500 kHz, 1 MHz, 2 MHz.

  • Supports word lengths from 2 to 31 bits (software selectable).

  • Gray or binary code capable with gray-to-binary conversion.

• Connector Type:

  • M23 connector for secure and efficient wiring.

• Robust Industrial Design:

  • IP67-rated for protection against dust and water ingress.

  • Suitable for harsh environments without additional enclosures.

• Diagnostic Capabilities:

  • LED indicators for Module Status, Network Status, and various operational statuses including Run, Up, Down, and Comparator Status.

• Compact and Modular:

  • Facilitates easy integration into existing ArmorPoint I/O systems.

Technical Specifications

• Model: 1738-SSIM23

• Input Voltage:

  • Nominal: 24V DC

  • Operating Range: 10–28.8V DC

• SSI Data Rate: Configurable at 125 kHz, 250 kHz, 500 kHz, 1 MHz, 2 MHz.

• SSI Word Length: 2 to 31 bits (software selectable).

• Power Dissipation: 0.94 W maximum at rated load.

• Thermal Dissipation: 3.21 BTU/hr maximum at rated load.

• Environmental Ratings:

  • Operating Temperature: -20°C to +60°C (-4°F to +140°F).

  • Storage Temperature: -40°C to +85°C (-40°F to +185°F).

  • Relative Humidity: 5% to 95% non-condensing.

  • Shock: 30g operating, 50g non-operating.

  • Vibration: 5g at 10–500Hz.

• Certifications:

  • UL Listed.

  • CE Marked.

  • C-Tick.

Applications

• Industrial Automation Systems:

  • Facilitates precise position data acquisition from absolute encoders.

  • Ideal for systems requiring accurate position feedback in motion control applications.

• On-Machine Applications:

  • Suitable for direct mounting on machinery, reducing installation complexity and cost.

  • Provides robust performance in environments exposed to dust and moisture.

Order Now

Available and ships worldwide. For assistance with integration into your existing ArmorPoint I/O system or to discuss your specific application needs, please contact our sales team.