Allen-Bradley 1756-DHRIO ControlLogix DH Plus/RIO Comms Module

The Allen-Bradley 1756-DHRIO module is a ControlLogix Data Highway Plus/Remote I/O communication interface that supports various communication rates, including Remote I/O, CIP Messaging, and DH+ Messaging. This module can have up to 32 Logix connections and supports connections with various devices, such as PLCs and SLCs, across different networks. Prior to installation, safety precautions must be followed and appropriate cables and connectors must be used. The module supports communication with Flex IO, POINT IO, and various controllers.

Technical Specifications for 1756-DHRIO

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Part Number/Catalog No.: 1756-DHRIO
• Series: ControlLogix
• Module Type: Data Highway/Remote I-O Communication Module
• Location: 1756 ControlLogix Chassis
• Communication Speed: 57.6 Kbaud, 115.2 Kbaud, 230.4 Kbaud
• Cable Lengths:
  • 3048 m (10000 ft)
  • 1524 m (5000 ft)
  • 762 m (2500 ft)
• Recommended Cable: Belden 89463 twinaxial, 0.52 mm² (20 AWG) rated at 200 °C (392 °F)
• Backplane Current (5 Volts): 1.7 milliamps
• Backplane Current (24 Volts): 850 milliamps
• Power Dissipation (Max): 4.5 Watts
• Thermal Dissipation (Max): 15.4 BTU per hour
• UPC: 10612598138361
• Enclosure: Open
• Operating Temperature: 0-60 °C (32-140 °F)
• Slot Width: 1
• Weight: 0.64 pounds (0.293 kilograms)
• Spare Connector Kit: Phoenix MVSTBR2.5/3-ST BK AU

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