1734-232ASC | Allen Bradley Point I/O RS-232 ASCII Interface Module

Overview

The 1734-232ASC is a POINT I/O ASCII communication module designed for interfacing with ASCII devices, such as barcode readers, in industrial applications. It is particularly useful in automated sorting and quality assurance systems.

Key Specifications

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Part Number: 1734-232ASC
• Series: POINT I/O
• Module Type: ASCII Communication Module
• Product Family: 1734 POINT I/O

Electrical Specifications

• Supply Voltage: 24 VDC nominal
• External DC Voltage Range: 10-28.8 VDC
• Supply Current: 15 mA @ 24 VDC
• POINTBus Current Draw: 75 mA max @ 5 VDC
• Power Dissipation: 0.75 W maximum @ 28.8 VDC
• Thermal Dissipation: 2.5 BTU/hr maximum @ 28.8 VDC

Communication Specifications

• Supported Protocol: ASCII
• Number of Application Ports: 1 Full-Duplex Port
• Communication Speeds: 9600, 1200, 2400, 4800, 19.2k, and 38.4k bps
• Serial Character Framing:
  • 7N2, 7E1, 7O1
  • 8N1, 8N2, 8E1, 8O1
  • 7E2, 7O2

Performance Specifications

• Maximum Receive Character Count: 128 characters
• Receive Record Start Mode Settings: No, exclude, include start delimiter
• Receive Start Delimiter: ASCII character
• Receive Record End Mode Settings: No, exclude, include end delimiter
• Receive End Delimiter: ASCII character

Indicators

• Module Status Indicator: 1 Green/Red (logic side)
• Network Status Indicator: 1 Green/Red (logic side)
• TXD Status Indicator: 1 Green (logic side)
• RXD Status Indicator: 1 Green (logic side)

Physical Specifications

• Dimensions: 56 x 12 x 75.5 mm (2.2 x 0.47 x 2.97 in)
• Weight: Approx. 0.0325 kg (1.15 oz)
• Enclosure Type Rating: None (open-style)
• Keyswitch Position: 2
• Module Location: Compatible with 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS wiring base assembly

Environmental Specifications

• Operating Temperature Range: -20 to 55 °C (-4 to 131 °F)
• Storage Temperature Range: -40 to 85 °C (-40 to 185 °F)
• Relative Humidity: 5% to 95% (non-condensing)

Features and Benefits

• Installation Flexibility: Compact design for limited panel space; DIN rail mountable; vertical or horizontal mounting options.
• Advanced Diagnostics: Comprehensive diagnostics and configurable features for easy application running.
• Auto Device Replacement (ADR): Allows adding I/O modules and network interfaces without system changes.
• Removal and Insertion Under Power (RIUP): Enables replacements without powering down the machine.
• Communication Compatibility: Supports DeviceNet interfaces, EtherNet/IP, and PROFIBUS DP adapters, with DeviceLogix technology for seamless integration.
• Short-Circuit Protection: Output point status indication for protection against short circuits.