Product Snapshot
- The Allen-Bradley 1790-T8BV8BX combines digital input and output control in one compact module.
- This module runs on 24V DC and fits CompactBlock LDX distributed I/O systems.
- It reduces wiring and saves panel space in modern automation designs.
Why Choose This Module
- Eight universal inputs accept sinking or sourcing signals.
- Eight digital outputs drive loads up to 0.5 A per channel.
- Green LEDs show I/O status clearly during operation.
- Photocoupler isolation improves noise resistance.
Core Electrical Ratings
- Brand: Allen-Bradley
- Model: 1790-T8BV8BX
- Series: CompactBlock LDX
- Input Voltage: 24V DC nominal
- Output Voltage: 24V DC nominal
- Input On-State: 9.6–28.8V DC
- Input Off-State: ≤5.0V DC
- Input Current: 8 mA per channel
Input Channel Details
- Eight non-isolated DC input points.
- Supports sinking and sourcing field devices.
- Nominal input impedance is 4.8 kΩ.
- Each channel shares a non-polarity common.
Output Channel Details
- Eight sourcing DC outputs.
- Maximum output current is 0.5 A per point.
- Total current reaches 4.0 A per common.
- Fast response improves control accuracy.
Performance Timing
- Output turn-on delay is ≤0.5 ms.
- Output turn-off delay is ≤1.0 ms.
- Low leakage current prevents false loads.
Power & Isolation
- DeviceNet power runs at 24V DC.
- Operating voltage range is 11–28.8V DC.
- I/O to logic isolation reaches 1250V AC RMS.
- Logic and DeviceNet power remain non-isolated.
Mechanical & Wiring
- D-shell connector simplifies system integration.
- M3.0 screw terminals ensure stable field wiring.
- Recommended torque is 7 lb-in maximum.
- Supports copper and copper-clad aluminum conductors.
Typical Applications
- Packaging and assembly machines.
- Conveyor and material handling systems.
- Distributed I/O in compact control cabinets.
Package Contents
- 1 × Allen-Bradley 1790-T8BV8BX I/O Module
- Factory-installed connector interface
- Protective industrial packaging
Warranty & Shipping
- Warranty period: 12 months.
- Worldwide shipping via FedEx, UPS, or DHL.
- Each unit ships with protective shock packaging.
Frequently Asked Questions
- Can this module handle both inputs and outputs?
- Yes, it integrates 8 inputs and 8 outputs in one unit.
- Does it support sinking and sourcing inputs?
- Yes, the inputs support both wiring methods.
- What is the maximum output load?
- Each output supports up to 0.5 A.
- Is isolation provided for noise protection?
- Yes, photocoupler isolation protects the logic circuit.
- Which networks does the module use?
- The module communicates through DeviceNet.
Contact Information
- Email: info@oiltechcontrols.com
- WhatsApp: +86 158 8020 0923
Author: Oiltech Controls
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