1769-ASCII Module | CompactLogix ASCII Interface Allen-Bradley

Allen-Bradley 1769-ASCII Communication Interface Module

Core Technical Specifications

• Brand & Manufacturer: Allen-Bradley
• Model/Part Number: 1769-ASCII
• Product Type: Specialty Communication Interface Module
• Compatible Controllers: 1769 CompactLogix and MicroLogix 1500
• Communication Ports: Two (2) independent, isolated DB-9 male serial ports
• Supported Protocols: RS-232, RS-422 (full duplex), and RS-485 (half duplex)
• Operating Modes: Alternating mode or dual simultaneous mode
• Handshaking: RTS/CTS hardware handshaking is enabled
• Backplane Current: 425 mA at 5V DC; 1.4 Amps at 24V DC
• Power Dissipation: Maximum of 2.13 Watts
• Isolation Voltage: 30 Volts continuous (tested at 710V DC for 60s)
• Data Capacity: 108 Input Words and 31 Configuration Words

Environmental & Physical Specifications

• Operating Temperature: 32°F to 140°F (0°C to 60°C)
• Storage Temperature: -40°F to 185°F (-40°C to 85°C)
• Operating Humidity: 5% to 95% relative humidity, non-condensing
• Mounting: Chassis mount, DIN Rail, or Panel mounting
• Power Supply Distance: Must be within 4 modules of the CompactLogix power supply

Frequently Asked Questions (FAQ)

• Q: What devices typically use the 1769-ASCII module?
  A: The 1769-ASCII connects barcode readers, label printers, vision systems, and other equipment using simple ASCII strings.
• Q: Can the two serial ports be used at the same time?
  A: Yes, both ports operate independently and simultaneously in different modes (RS-232, RS-422, or RS-485).
• Q: Is an external power supply required for this module?
  A: No, the 1769-ASCII draws all necessary power directly from the controller's backplane.
• Q: What is the maximum installation distance from the power supply?
  A: The module must be installed within 4 slots of the 1769 system's power supply.
• Q: What is the condition of the modules you sell?
  A: We supply only new, original, and factory-sealed Allen-Bradley products from stock.
• Q: What are your shipping and return policies?
  A: We ship within 5 business days via major couriers and offer a standard 30-day return policy.

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