Configured for 24 VDC sinking output execution in industrial logic controllers, the Allen-Bradley 1734-OV4E, also cataloged as the 1734-OV4E Output Module, provides direct physical and electrical switching.

Model Identification & Part Structure

• 1734-OV4E: Base catalog number for the 4-point digital sinking DC output module
• POINT I/O: Modular distributed I/O platform classification
• Open Style: Unenclosed module design intended for DIN rail mounted enclosures

Hardware Specifications Table

Backplane Communication Velocity and Deterministic Networks

The module communicates via the backplane bus communication velocity framework, establishing deterministic data transfer intervals between the physical terminals and the central processing unit. Backplane bus communication velocity handles discrete state updates within fixed scan cycles, preserving loop timing synchronization across distributed rack expansions. I/O density scaling allows seamless integration alongside specialized analog and communication modules without violating backplane current loading limits or introducing protocol conversion latencies. Firmware flash compatibility is managed through system software tools to maintain baseline operational stability across revision changes.

Shipment Contents & Package Inventory

• 1 x Allen-Bradley 1734-OV4E Digital DC Sinking Output Module
• 1 x Removable Terminal Block Insert
• 1 x Technical Hardware Reference Leaflet

Physical Installation Procedures

• DIN Rail Mounting
  • Mount the module base securely onto a standard 35 mm industrial DIN rail inside an approved electrical cabinet.
  • Align the module housing with the terminal base and snap firmly into position to engage the communication backplane.
• Field Wiring Connections
  • Terminate external 24 VDC load lines directly into the removable terminal block screw connections.
  • Route low-voltage output wiring away from high-voltage AC power cables to minimize electromagnetic interference.

Frequently Asked Technical Inquiries

• Q: How many output points does this module control?
• A: The module provides 4 digital DC sinking output points.
• Q: What is the rated output voltage for the switching channels?
• A: The output voltage is rated at 24 Volts DC.
• Q: What is the maximum output current capacity per module?
• A: The total module output current rating is 3 amps.
• Q: How much current does the unit draw from the POINTBus?
• A: The POINTBus current draw is 75 milliamps.
• Q: What are the thermal and power dissipation values?
• A: Power dissipation is 1.2 Watts, resulting in a thermal dissipation of 4.1 BTU per hour.
• Q: Are the outputs electronically protected against faults?
• A: Yes, the module features built-in electronic protection for safe operation.
• Q: Does this module support live hot-swapping inside an active rack?
• A: System power must be isolated before removing or inserting modules to prevent bus arc damage.
• Q: What physical dimensions apply to the shipping container?
• A: The estimated shipping dimensions measure 8 cm x 6 cm x 1.7 cm.