Configured for discrete signal acquisition in industrial control networks, the Allen-Bradley 1734-IB8 (1734-IB8 POINT I/O 8 Point Digital Input Module) provides direct physical/electrical execution.

Model Identification and Suffix Variants

• Base Model Identifier: 1734-IB8
• Spare Model Reference: 1734IB8
• Platform Series: POINT I/O
• Hardware Module Class: 8-Point Digital DC Sinking Input Module

Hardware Specifications

Backplane and Deterministic Network Parameters

The module interfaces directly with backplane bus communication velocity frameworks within Allen-Bradley rack architectures. Firmware flash compatibility ensures alignment with contemporary controller revisions, allowing deterministic EtherNet/IP networks and optimized I/O density scaling across distributed nodes.

Ordering Information

• 1 x 1734-IB8 Digital Input Module unit
• 1 x Mechanical keyswitch configuration guide
• 1 x Hardware status indicator reference sheet

Mechanical and Electrical Deployment Guidelines

• DIN-Rail Mounting: Secure the open-style module firmly onto a standard 35 mm DIN rail within the designated control enclosure.
• Base Assembly: Mount the module exclusively onto a compatible 1734-TB or 1734-TBS wiring base assembly.
• Keyswitch Verification: Ensure the mechanical keyswitch is set to position 1 prior to physical module insertion.
• Status Monitoring: Observe the logic-side green/red module status indicator and eight yellow input status indicators during commissioning.

Operational Inquiry and Verification

• What is the nominal input voltage rating for the digital channels?

  The nominal input voltage is 24 V DC with an operating range of 10 to 28.8 V DC.

• How many discrete input channels does the module support?

  The module supports 8 sinking input channels.

• What is the nominal input current drawn at 24 V DC?

  The nominal input current is 4 mA at 24 V DC.

• What is the total power dissipation of the unit?

  The power dissipation is 1.6 W or 5.5 BTU/hour.

• What current is drawn from the internal POINTBus?

  The POINTBus current draw is 75 mA.

• Which wiring base assemblies are compatible with this module?

  The module mounts onto 1734-TB or 1734-TBS wiring base assemblies.

• What is the pre-configured physical keyswitch position?

  The keyswitch position is set to 1.

• What type of enclosure rating does the hardware feature?

  The module features an open-style enclosure with no rating.