Reliable Input Module for Maintenance Engineers
When maintaining a distributed I/O architecture, the Allen-Bradley 1734-IB8 provides eight discrete sinking input channels that simplify troubleshooting. This module accepts a nominal signal voltage of 24VDC and operates within an input voltage range of 10-28.8VDC. Its compact dimensions of 56 x 12 x 75.5 mm make it easy to fit into crowded panels.
Technical Specifications Overview
The 1734-IB8 draws 75 mA from the POINTBus and dissipates 1.6 Watt of power. Each input channel has a nominal current of 4mA at 24VDC, with an input current range of 2-5mA. The module includes a fixed hardware input filter of 0.5 ms plus a user-selectable software filter from 0 to 63 ms, allowing engineers to adjust for electrical noise.
Application Scenarios and Use Cases
In a packaging line, the 1734-IB8 monitors sensor inputs for product presence and position. Its eight sinking inputs connect directly to 24VDC proximity sensors, and the LED status indicators provide immediate visual feedback. Another common use is in material handling systems where the module reads limit switches and safety interlocks.
Customer Case Scenario
Consider a maintenance team upgrading an older conveyor system. They replace a failing input card with the 1734-IB8, which integrates seamlessly with their existing POINT I/O communication adapter. The team appreciates the user-selectable input filter that reduces false triggers from vibration.
Compatibility and Integration
The 1734-IB8 is compatible with any POINT I/O communication adapter and requires a 1734-TB or 1734-TBS wiring base assembly. It uses keyswitch position 1 for proper alignment. The module supports sink wiring configuration and is designed for distributed I/O architectures.
Company Strength and Supply Assurance
Petro Auto Tech offers the Allen-Bradley 1734-IB8 with expert support for maintenance engineers. We ensure genuine parts and fast delivery to minimize downtime. Contact us for lifecycle status and availability.
Frequently Asked Questions About the 1734-IB8
What is the input voltage range of the 1734-IB8?
The input voltage range is 10-28.8VDC, with a nominal voltage of 24VDC. This allows the module to work with standard industrial sensors.
How many input channels does the 1734-IB8 have?
It has eight sinking input channels, each with a yellow LED status indicator. The module also includes one green/red logic side status indicator.
What wiring base assembly is required for the 1734-IB8?
The module requires a 1734-TB or 1734-TBS wiring base assembly. It is installed with keyswitch position 1 for correct alignment.
Can the input filter time be adjusted on the 1734-IB8?
Yes, the module has a fixed hardware filter of 0.5 ms and a user-selectable software filter from 0 to 63 ms. This helps reduce noise-induced false signals.
What is the power dissipation of the 1734-IB8?
The module dissipates 1.6 Watt, which is equivalent to 5.5 BTU per hour. This low heat output helps maintain cabinet temperature.
