Product Overview
The Allen-Bradley 1756-OV32E is a 32-point electronically fused sinking output module designed for the ControlLogix platform. It delivers dependable DC switching for demanding industrial applications, combining advanced electronic fusing with precise control. As a chassis-located module, the 1756-OV32E integrates seamlessly into existing ControlLogix systems, offering a robust solution for discrete output control.
Key Features & Benefits
-
32-Point Electronically Fused Outputs: Each output point is individually protected, reducing the risk of damage from overcurrent conditions.
-
Wide Operating Range: Operates on 12-24 Volts DC with an operating voltage range of 10-30 Volts DC, providing flexibility across various power supplies.
-
High Current Capacity: Supports up to 0.5 Amps per point at 50°C and 16 Amps per module at 50°C, suitable for driving multiple loads.
-
Efficient Thermal Management: Maximum power dissipation of 5.88 Watts at 60°C ensures stable performance in elevated temperatures.
-
Removable Terminal Blocks: Compatible with 1756-TBCH and 1756-TBS6H terminal blocks for easy wiring and maintenance.
Technical Specifications
| Specification |
Value |
| Manufacturer |
Rockwell Automation |
| Brand |
Allen-Bradley |
| Part Number |
1756-OV32E |
| Series |
ControlLogix |
| Module Type |
Electronically Fused Sinking Output Module |
| Outputs |
32-Point Electronically Fused |
| Voltage |
12-24 Volts DC |
| Operating Voltage Range |
10-30 Volts DC |
| Maximum Output Current Rating (Point) |
0.5 Amps at 50°C, 0.35 Amps at 60°C |
| Maximum Output Current Rating (Module) |
16 Amps at 50°C, 10 Amps at 60°C |
| Power Dissipation (Max) |
5.88 Watts at 60°C |
| Backplane Current at 5 Volts |
390 milliamps |
| Removable Terminal Blocks |
1756-TBCH, 1756-TBS6H |
| Isolation Voltage |
50 Volts Continuous |
| Enclosure |
None |
Industry Applications
The 1756-OV32E excels in applications requiring reliable high-density output switching. Typical uses include:
-
Manufacturing Assembly Lines: Controls solenoids, actuators, and indicator lights with precision.
-
Material Handling Systems: Manages conveyor motor starters and divert gates efficiently.
-
Process Control: Switches valves and pumps in batch processing environments.
Its electronically fused outputs minimize downtime by quickly isolating faults, making it an excellent choice for critical operations.
Installation & Setup
Installing the 1756-OV32E is straightforward. Mount the module into any ControlLogix chassis slot. Use the removable terminal blocks (1756-TBCH or 1756-TBS6H) for wiring. Ensure the DC supply voltage is within the 10-30V range. For sinking outputs, connect the load between the output point and the positive supply. Refer to the ControlLogix installation instructions for proper grounding and wiring practices.
Maintenance & Reliability
Routine maintenance for the 1756-OV32E is minimal. Periodically inspect the terminal block connections for tightness and check for signs of overheating. The module's electronic fusing eliminates the need for fuse replacement, reducing maintenance time and cost. Operating within the specified temperature range (0-60°C) and humidity (5-95% non-condensing) ensures long-term reliability.
Compatibility & Integration
The 1756-OV32E is designed for the ControlLogix platform and works with all ControlLogix controllers. It communicates over the backplane, requiring no additional communication modules. For system integration, the module supports scheduled output synchronization using Coordinated System Time (CST), ensuring precise timing in distributed applications.
Selection Guide
Before purchasing, verify that your ControlLogix chassis has an available slot and that your power supply can handle the backplane current draw of 390mA at 5V. Ensure the output voltage matches your load requirements. For assistance in selecting the right module, PLC Source PRO offers expert support and fast shipping.