Product Overview
Industrial control systems demand reliable and flexible input modules to handle diverse sensor signals. The Allen-Bradley 1790-16BV0X is a 24V DC 16-point universal input base and expansion module designed for CompactBlock LDX I/O systems. It accepts both sinking and sourcing inputs, reducing inventory complexity and simplifying wiring.
Technical Specifications Breakdown
Key parameters for the 1790-16BV0X are listed below for quick reference:
| Feature | Specification |
|---|---|
| Inputs per block | 16 points, 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 per channel @ 28.8V dc |
| Input impedance, nom | 4.8 KΩ |
| Indicators | 16 green input status |
| Common type | 8 points/8COM (nonpolarity) |
| Supply voltage | 24V dc nom, range 11…28.8V dc |
| Power dissipation | 1.2 W max @ 28.8V dc |
| Isolation | I/O to logic: photocoupler, 1250V ac rms |
Industry Applications
Packaging Machinery
In high-speed packaging lines, the 1790-16BV0X reliably reads sensor inputs for product presence, position, and count. Its 16-point density reduces the number of modules needed, lowering cabinet space and wiring costs. The wide voltage range (11…28.8V dc) ensures compatibility with various proximity and photoelectric sensors.
Material Handling
Conveyor systems benefit from the module's sinking/sourcing flexibility. Engineers can mix sensor types without additional adapters. The photocoupler isolation (1250V ac rms) protects the logic side from electrical noise common in motor-driven environments, improving system uptime.
Water Treatment
In distributed control panels, the 1790-16BV0X handles level, flow, and pressure switch inputs. Its nonpolarity common wiring simplifies installation, reducing commissioning time. The 16 green LED indicators allow quick visual status checks during maintenance.
Installation & Setup Guidance
Mount the 1790-16BV0X on a DIN rail within the specified environmental limits. Connect the 37-pin D-shell cable to the field wiring arm. Ensure the supply voltage is within 11…28.8V dc. For input wiring, use twisted-pair cable to minimize noise. Configure the module's input mapping via the host controller; bit 00 corresponds to input I0, bit 01 to I1, and so on. The module produces a status byte and 16 input bits in two words.
Maintenance & Reliability
The 1790-16BV0X requires minimal maintenance. Periodically inspect the green LED indicators for proper input status. Keep the enclosure clean and free of conductive dust. Verify that the supply voltage remains within the 11…28.8V dc range. The photocoupler isolation enhances reliability in noisy industrial environments. No field-replaceable fuses or internal adjustments are needed.
Compatibility & Integration
This module is part of the CompactBlock LDX family and communicates via DeviceNet. It is compatible with Allen-Bradley controllers that support DeviceNet scanners. The 1790-16BV0X can be used as a base or expansion block, allowing scalable I/O configurations. For integration, refer to the DeviceNet network manual for proper node addressing and baud rate settings.
Selection Guide & Purchasing Advice
When selecting input modules, consider the sensor types and voltage requirements. The 1790-16BV0X offers 16 universal inputs with sinking/sourcing capability, making it a versatile choice. For reliable supply and expert support, purchase from AutoDCSTech. Please verify current lifecycle status and availability with AutoDCSTech before ordering.
Availability & Condition at AutoDCSTech
| Part Number | 1790-16BV0X |
|---|---|
| Availability | In Stock |
| Condition | New |
| Warranty | One Year |
| Origin | US |
