Get now the 2080-IQ4OB4, a high-density combination I/O plug-in module for the Allen-Bradley Micro800 series. Featuring four digital inputs and four digital sourcing outputs, this module is the ultimate space-saving solution for machine control, providing balanced I/O expansion in a single slot.
What Is the 2080-IQ4OB4?
The 2080-IQ4OB4 is an 8-point digital combination module designed for the Micro820, Micro830, Micro850, and Micro870 PLC families. This «Combo» module provides four 12/24V DC digital inputs and four 12/24V DC sourcing (PNP) transistor outputs. By consolidating both inputs and outputs into a single plug-in module, it allows engineers to maximize the utility of each available slot on the controller. This is particularly valuable in compact machine designs where the total number of sensors and actuators is balanced. The module architecture is built for the «Connected Enterprise,» ensuring that all I/O states are readily available for data logging and remote monitoring. Its sourcing outputs are ideal for driving modern industrial actuators, solenoid valves, and indicator lights with high reliability and zero mechanical wear.
Key Technical Specifications
- Inputs: 4 Digital (12/24V DC Sinking/Sourcing)
- Outputs: 4 Digital (12/24V DC Sourcing/PNP)
- Output Current: 0.5A per point (2A max per module)
- On-State Voltage Range: 10V DC to 30V DC
- Isolation: Optical isolation between field and logic
- Status Indicators: 8 LEDs (4 Input, 4 Output)
- Power Consumption: 3.3V (10mA), 24V (45mA)
- Configuration: Connected Components Workbench (CCW)
Advanced Hybrid Architecture
The 2080-IQ4OB4 represents the hybrid design philosophy of the Micro800 series. It allows for the control of localized subsystems without the complexity of external expansion racks. The sourcing outputs feature integrated short-circuit protection to safeguard the module against field wiring faults. In the system architecture, these points are mapped directly to the controller’s I/O database, enabling seamless integration into ladder logic or function block diagrams. This module is the industry standard for small automated assembly cells and localized conveyor control where both sensing and actuation are required at the same physical point.
Maintenance Tips
When maintaining a system with the 2080-IQ4OB4, verify that the total current draw of the four outputs does not exceed 2 Amps at peak load. For inductive loads like solenoids, it is best practice to install external flyback diodes to prevent inductive kickback from causing thermal stress to the module’s transistors. If an output channel appears «stuck» on, check for a short circuit in the field wiring; the module’s protection may have engaged. Always use high-quality terminal blocks and ensure wires are properly crimped with ferrules to maintain low-resistance connections over years of operation.
Frequently Asked Questions
Q: Can the outputs on the 2080-IQ4OB4 be used for PWM?
A: While the module features transistor outputs, they are intended for general-purpose switching. For high-speed Pulse Width Modulation, use the dedicated PTO/PWM outputs built into the Micro800 controller base.
Q: Is the module hot-swappable?
A: No. To prevent damage to the backplane communication pins and the PLC processor, the controller must be powered down before removing or inserting the 2080-IQ4OB4 module.
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