وصف
Description
The Allen-Bradley 1746-OX8 is a high-performance relay output module designed for the SLC 500 programmable logic controller system. This module provides 8 isolated relay contact outputs, allowing for the control of various field devices such as motor starters, solenoids, and indicators. The 1746-OX8 is engineered to handle diverse voltage requirements, making it a versatile solution for industrial automation applications where electrical isolation between the controller and the load is required.
Features
- 8 isolated N.O. (Normally Open) relay contact outputs.
- Designed for seamless integration into the SLC 500 I/O chassis.
- Provides electrical isolation between the PLC backplane and field devices.
- Compatible with a wide range of AC and DC voltage applications.
- Robust construction suitable for standard industrial environments.
Applications
This module is commonly utilized in industrial control systems for switching high-current or high-voltage loads that require galvanic isolation from the PLC processor. Typical applications include machine control, process automation, and interface logic for motor control centers.
Technical Specifications
| Product Model |
1746-OX8 |
| Number of Outputs |
8 |
| Output Type |
N.O. Relay Contact |
| Current per Output (120 VAC) |
3 Amps |
| Current per Output (24 VDC) |
1.2 Amps |
| Operating Temperature |
0 to 60 degC (32 to 140 degF) |
| Operating Humidity |
5 to 95% (non-condensing) |
Installation Guidelines
- Ensure the SLC 500 chassis power is disconnected before installing or removing the module to prevent electrical shock or damage to the backplane.
- Slide the module into the designated slot in the SLC 500 chassis and secure it using the top and bottom retaining screws.
- Use appropriate wire gauges for the terminal block connections to ensure secure contact and prevent overheating.
- Maintain proper grounding practices for the chassis to minimize EMI interference.
- Ensure the operating environment remains within the specified temperature and humidity ranges to maintain module longevity.
FAQ
What is the primary function of the 1746-OX8?
The 1746-OX8 is an 8-point relay output module for the Allen-Bradley SLC 500 system, used to switch external field devices using isolated relay contacts.
Can this module be used with both AC and DC loads?
Yes, the 1746-OX8 is designed to support both AC and DC voltage loads, provided the current and voltage ratings specified in the technical documentation are not exceeded.
