Product Description
The Allen-Bradley 1790D-T16BV0 Universal DC Input Base Block is designed to simplify distributed control systems using DeviceNet communication. It supports 16 versatile input channels that can operate in both sinking and sourcing configurations, allowing flexible system integration. Moreover, its compact form factor and rugged design make it ideal for industrial environments requiring reliable input processing and strong electrical isolation.
This module ensures consistent performance under varying voltage conditions, helping maintain accuracy and uptime in automation systems. Therefore, it is a cost-effective and dependable choice for OEMs and process engineers seeking a balance of performance and durability.
Functional Highlights
Versatile Input Capability:
Supports 16 DC input points configurable for sinking or sourcing operation, optimizing input mapping flexibility.Reliable Isolation:
Features photocoupler-based isolation between I/O and logic circuits, providing up to 1250V AC RMS protection.DeviceNet Power Design:
Operates at 24V DC nominal with a wide range of 11–28.8V DC, ensuring stable communication even in fluctuating power conditions.LED Indicators:
Equipped with 16 green status LEDs that simplify real-time diagnostics and monitoring.Safe Wiring Interface:
Terminal block connections with M3.0 screws, rated up to 7 lb-in torque, ensure secure installation and low-maintenance operation.
In addition, the 1790D-T16BV0 complies with CE LVD, UL, and Class 2 power source standards, ensuring international safety certification and long-term reliability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Inputs per Module | 16 (sinking or sourcing) |
| On-State Voltage | 9.6V DC min, 24V DC nom, 28.8V DC max |
| Off-State Voltage | 5.0V DC max |
| On-State Current | 8 mA max @ 28.8V DC |
| Input Impedance | 4.8 kΩ nominal |
| Status Indicators | 16 green LEDs |
| Common Type | 8 points / 8 COM (non-polarity) |
| DeviceNet Supply Voltage | 24V DC nominal (11–28.8V DC range) |
| Power Dissipation | 1.2 W max @ 28.8V DC |
| Isolation Voltage | 1250V AC RMS (I/O to logic) |
| Isolation Type | Photocoupler isolation |
| DeviceNet to Logic | Non-isolated |
| Wiring Type | Terminal block (M3.0 screw) |
| Screw Torque | 7 lb-in max |
| Recommended Conductors | Copper or copper-clad aluminum |
Furthermore, it fully supports SELV/PELV-compliant power sources, ensuring conformity with industrial low-voltage and limited-current standards for enhanced operational safety.
System Integration
The 1790D-T16BV0 integrates seamlessly into DeviceNet-based distributed I/O systems, such as those using Allen-Bradley MicroLogix, CompactLogix, or ControlLogix controllers. It simplifies wiring and configuration while maintaining consistent communication performance.
Moreover, the module’s compact design enables DIN-rail or enclosure mounting, making it suitable for machine-level control, packaging automation, and material handling systems. Its combination of compactness, efficiency, and flexibility makes it a preferred choice in space-constrained installations.
Details
| Weight | 1 kg |
|---|
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