Product Summary
The 1734-IA4 is a discrete input module from Rockwell Automation. It integrates four non-isolated, sinking channels into the POINT I/O system. Engineers use this module to monitor 120 VAC signals from field devices like limit switches and push buttons. Its compact design saves valuable panel space.
Theme Option A: Product Procurement & Buyer Guide
Understanding the 1734-IA4 Power Requirements
This module needs a dedicated external AC power supply. You must provide a nominal 120 Volts AC at 60 Hertz. The 1734-IA4 operates safely within a voltage range of 85 to 132 Volts AC. Its frequency tolerance spans from 47 to 63 Hertz. This wide range ensures stable operation on fluctuating mains power. Procurement engineers must verify this supply before ordering.
Key Electrical Specifications for Selection
The module has a backplane current draw of 75 mA at 5.1V DC. Its power dissipation reaches only 0.50 Watts at 132 VAC. This low power consumption reduces heat buildup in dense cabinets. The thermal dissipation is a mere 1.71 BTU per hour. These specs make the 1734-IA4 ideal for high-density I/O racks.
Input Channel Characteristics for Engineers
Each of the four channels uses a sinking wiring configuration. The minimum ON-state voltage is 65 VAC. The maximum ON-state voltage reaches 132 VAC. The ON-state current ranges from 4.0 mA to 8.5 mA. Engineers must ensure their field devices meet these thresholds for reliable detection.
Compatible Terminal Bases and Mounting
The 1734-IA4 mounts directly onto specific terminal bases. Choose from the 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS assemblies. This modular design simplifies installation and future replacement. The module weighs only 1.09 ounces. Its dimensions are 2.21 x 0.47 x 2.97 inches, allowing flexible horizontal or vertical placement.
Isolation and System Protection Details
The module provides 240V continuous isolation between the field side and system. It undergoes a type test at 3250V DC for 60 seconds. This robust isolation protects your control system from voltage spikes. The open-style enclosure requires installation within a larger cabinet for environmental protection.
Diagnostic LED Indicators for Status
Built-in LEDs show Module, Network, and I/O status at a glance. Each channel has an individual LED that mirrors its energization state. An active LED indicates a powered input channel. This visual feedback speeds up troubleshooting and reduces downtime during commissioning.
Logistics & Standard Packaging Details
- One Allen-Bradley 1734-IA4 discrete input module
- Installation guide and technical data sheet
- Static-safe packaging for secure transport
- Express delivery shipping is available via FedEx, UPS, and DHL.
