Allen Bradley SLC500 1746-NIO4V/A High Resolution Analog Combination Module
The Allen-Bradley 1746-NIO4V/A is a high-resolution analog combination module engineered for precision signal processing in industrial automation systems. It delivers accurate voltage/current conversion for critical data acquisition applications including process monitoring, quality control, and real-time equipment feedback.
Technical Specifications
| Manufacturer | Allen Bradley |
| Module Type | Analog Combination I/O |
| Input Channels | 2 (Voltage/Current) |
| Output Channels | 2 (Voltage) |
| Voltage Range | ±20V Input / ±10V Output |
| Current Range | ±20mA Input |
| Resolution | 16-bit High Resolution |
| Backplane Current | 55 mA @ 5V DC |

Industrial Applications
This module is essential for precision-critical systems including:
- Process variable monitoring (temperature, pressure, flow)
- Closed-loop control systems
- Quality assurance instrumentation
- Equipment calibration stations
Compatible with SLC 500 series controllers and commonly paired with 1746 chassis including 1746-A4, A7, A10, and A13 models.
Vertex Industrial Services
Vertex Industrial specializes in global sourcing of industrial automation components from major brands including Allen Bradley. We provide:
- 1-Year Warranty on all modules
- Pre-sale technical validation
- Global logistics support
- Custom sourcing for discontinued models
Contact us for pricing and availability: WhatsApp Support or email anikaqx@gmail.com

















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