Allen-Bradley 1734-OB8K Digital DC Sourcing Output Module

Configured for discrete 24 VDC source output switching in POINT I/O distributed control networks, the Allen-Bradley 1734-OB8K (1734-OB8K Digital DC Sourcing Output Module) provides direct electrical execution. The module features eight sourcing output channels, integrated diagnostic functions for short-circuit and wire-off detection, and conformal coating for additional environmental protection within POINT I/O assemblies.

Suffix Breakdown & Model Matrix

The available documentation identifies a single catalog number: 1734-OB8K. No official suffix decomposition or ordering matrix information is provided.

Hardware Specifications

EtherNet/IP Distributed I/O and Firmware Integration

The 1734-OB8K is designed for operation within the POINT I/O architecture, where output data is exchanged through a communication adapter connected to the control network. The eight-channel configuration increases I/O density within a compact footprint while supporting module-level logic execution through DeviceLogix technology. Firmware compatibility between the communication adapter, controller, and installed POINT I/O modules should be verified during commissioning and replacement activities.

Frequently Asked Questions

Q: What diagnostic functions are integrated into the 1734-OB8K?
A: The module supports short-circuit detection and wire-off detection for field-side output monitoring.

Q: Does the module include environmental protection for industrial installations?
A: Yes. The module is supplied with conformal coating to provide additional protection against moisture, dust, and corrosive contaminants inside properly designed enclosures.

Q: Can logic functions execute directly at the module level?
A: The documentation specifies DeviceLogix capability, allowing selected logic execution functions within the module architecture.

Field Installation Guidelines

• Mount the module according to POINT I/O assembly procedures and secure it before applying power.

• Maintain the installation environment within the specified operating temperature range of -20 deg C to +55 deg C.

• Ensure enclosure conditions prevent condensation when operating at elevated humidity levels.

• Route output wiring separately from high-current AC conductors and motor cables.

• Verify correct polarity of all 24 VDC field connections before energizing loads.

• Inspect grounding and shield termination practices in accordance with site electrical standards.

• Confirm compatibility between the installed communication adapter, controller firmware, and POINT I/O module configuration.