5069-OBV8S AB Safety Output Module 5069OBV8S Genuine New
Allen-Bradley 5069-OBV8S | Compact 5000 8-Channel 24VDC Configurable Safety Output Module
Catalog Number: 5069-OBV8S
Manufacturer: Rockwell Automation / Allen-Bradley
Product Family: Compact 5000 I/O
Module Type: Configurable Safety Digital Output (Sourcing or Bipolar)
Channels: 8
Output Voltage: 24V DC (17.5-32V DC range)
Safety Rating: SIL CL3 / PLe / Category 4
Overview
The 5069-OBV8S is an 8-channel configurable safety digital output module from Allen-Bradley's Compact 5000 I/O family. It delivers 24V DC sourcing outputs certified to Safety Integrity Level CL3, Performance Level e (PLe), and Category 4 — the highest tier of functional safety ratings for industrial automation.
This module is designed for applications where machine guarding, safety interlock output, and controlled stop functions require certified safety-rated outputs with integrated fault detection.
The module operates as local I/O in CompactLogix 5380, Compact GuardLogix 5380, or CompactLogix 5480 systems, and functions as distributed I/O over EtherNet/IP for CompactLogix 5380, Compact GuardLogix 5380, CompactLogix 5480, ControlLogix 5580, and GuardLogix 5580 controllers.
The configurable output type — sourcing or bipolar — accommodates a range of field device wiring requirements without requiring different module variants for different applications.
At 1 amp per channel, the module drives the loads typical in machine safety applications: safety relay coils, light curtain enable circuits, valve solenoids, and motor enable signals. Eight independent channels in a single slim module provide substantial output capacity while conserving panel and chassis space.
Key Specifications
| Parameter |
Value |
| Catalog Number |
5069-OBV8S |
| Manufacturer |
Rockwell Automation / Allen-Bradley |
| Output Channels |
8 |
| Output Voltage Range |
17.5 - 32V DC (nominal 24V DC) |
| Output Current |
1 A per channel |
| Output Type |
Sourcing or Bipolar (configurable) |
| Safety Rating |
SIL CL3 / PLe / Category 4 |
| Safety Reaction Time |
4.5 ms |
| Min. Output Pulse Width |
400 µs |
| Power Consumption |
6.5 W |
| Mounting |
DIN Rail |
| Operating Temp. (Horizontal) |
0 - 60°C (32 - 140°F) |
| Operating Temp. (Vertical) |
0 - 50°C (32 - 122°F) |
| Dimensions |
144.57 mm L × 22 mm W × 105.42 mm H |
| Weight |
approx. 175 g |
| Compatible Controllers |
Compact GuardLogix 5380, GuardLogix 5580, CompactLogix 5380 / 5480, ControlLogix 5580 |
SIL CL3 / PLe / Category 4 — What the Safety Ratings Mean
Safety Integrity Level 3 (SIL 3) is the highest safety rating defined in IEC 62061 for machinery safety. It corresponds to a probability of dangerous failure per hour in the range of 10⁻⁸ to 10⁻⁷. In plain terms, it is the level required for safety functions that must operate reliably in the face of serious potential harm.
Performance Level e (PLe) and Category 4 are equivalent designations from ISO 13849-1.
Category 4 requires that a single fault does not lead to loss of the safety function and that the fault is detected before the next safety demand is made — or at least before the next normal machine cycle.
The 5069-OBV8S achieves these ratings through its dual-channel output architecture and comprehensive built-in diagnostics.
The module continuously monitors its outputs for field power loss, no-load conditions, short circuits, overloads, and overtemperature. Reverse voltage protection and overvoltage protection are built into the hardware. These diagnostics operate independently of the safety program, providing a hardware-level safety net below the software logic.
Configurable Output Type — Sourcing or Bipolar
The "configurable" designation in the module's full name refers to its selectable output electrical type. Sourcing outputs supply current from the module to the load — the module's output terminal provides the positive supply, and the load connects between this terminal and ground.
This is the most common wiring convention for machine tool and robot safety outputs.
Bipolar configuration allows the module's outputs to be used in circuits where the current direction may vary — useful in specific valve driver and actuator applications where the load requires both polarities at different operating points.
The output type is configured in Studio 5000 Logix Designer software as part of the module configuration. No hardware changes or jumpers are required.
Backplane Communication and System Integration
Compact 5000 I/O modules use a 1 Gb embedded switch technology that supports Linear and Device Level Ring (DLR) topologies.
This high-speed backplane communication enables fast transfer rates between the controller and I/O modules — critical for safety applications where the safety reaction time budget is tight.
The module's 4.5 ms safety reaction time is the time from detecting a change on the safety input side to updating the safety output — a key parameter for calculating the overall system reaction time in a safety function.
This must be added to the other time delays in the safety chain (sensor response time, safety function execution, actuator response) when validating the complete safety function's performance against the required stopping time.
The module also integrates with the broader Compact 5000 ecosystem, receiving field-side power distribution from compatible Compact 5000 modules that provide this service.
Frequently Asked Questions
Q1: Can the 5069-OBV8S be used with a standard CompactLogix 5380 controller without a GuardLogix controller?
The 5069-OBV8S can be installed in a CompactLogix 5380 system, but its safety functions are only available when connected to a Compact GuardLogix 5380 or GuardLogix 5580 controller. Without a GuardLogix primary controller providing safety logic supervision, the module cannot validate safety outputs or maintain the safety signature required for SIL-rated operation. For standard (non-safety) digital output use, standard output modules are the appropriate choice.
Q2: The module is showing a short circuit diagnostic on channel 3. How should this be investigated?
A short circuit diagnostic on a specific channel typically means the output driver detected excessive current on that channel's load. First, remove power and inspect the wiring for any wire-to-wire or wire-to-ground short in the channel 3 circuit. Check the load device (solenoid, relay coil) for a winding short. If no wiring fault is found, the load device itself may have failed. Clear the fault after correcting the condition and verify the output operates normally before returning to production.
Q3: What is the difference between the 5069-OBV8S and a standard (non-safety) digital output module?
Safety output modules like the 5069-OBV8S have certified diagnostic coverage that standard modules do not. The safety module uses dual-channel internal architecture and runs continuous self-tests on the output circuits. Its output timing and diagnostic results are verified by the GuardLogix controller's safety task through a safety connection. Standard digital outputs have no certified diagnostic coverage and cannot participate in a safety-rated function. The two types cannot be substituted in safety applications.
Q4: How does the configurable sourcing/bipolar output affect the safety rating?
The safety rating (SIL CL3 / PLe / Cat. 4) applies in both sourcing and bipolar configurations. The rating is a property of the module's internal architecture and diagnostics, not of the external wiring convention. Configure the output type in Studio 5000 to match the field device requirements and the safety system documentation.
Q5: What happens to the 5069-OBV8S outputs if communications to the controller are lost?
When the safety connection between the 5069-OBV8S and the GuardLogix controller is lost, the module enters its configured communication fault state. For safety outputs, this is typically configured to de-energize (safe state). The module's programmable fault behavior allows the safety application programmer to define the specific output state for communication faults, but safety best practice is to configure all safety outputs to their de-energized safe state when communication is lost.
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