1734-OBV2S | Allen-Bradley POINT Guard I/O 4 Safety Bipolar Output
1734-OBV2S | Allen-Bradley POINT Guard I/O 4 Safety Bipolar Output
1734-OBV2S | Allen-Bradley POINT Guard I/O 4 Safety Bipolar Output
    1734-OBV2S | Allen-Bradley POINT Guard I/O 4 Safety Bipolar Output
1734-OBV2S | Allen-Bradley POINT Guard I/O 4 Safety Bipolar Output

1734-OBV2S | Allen-Bradley POINT Guard I/O 4 Safety Bipolar Output

Part #: 1734-OBV2S Manufactured by: Allen-Bradley
Regular price
$1,551.00
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$1,551.00
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Product Overview
The 1734-OBV2S by Allen-Bradley is a POINT Guard I/O module, featuring 4 safety bipolar outputs. It ensures reliable and s...  Read more
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Product Description P/N: 1734-OBV2S

Description / Specifications

Description 

The 1734-obv2s safety module is produced by Allen-Bradley/Rockwell Automation and it has a total of 4 outputs per module. This Point I/O 1734 module features current sourcing/current sinking outputs and it includes 2 pairs of bipolar outputs. The module has small dimensions and it weighs around 62.4 grams (2.2 ounces).

 

 

Technical Specifications 

Brand Allen-Bradley
Series Point I/O 1734
Part Number 1734-OBV2S
Number of Outputs 4 (2 bipolar pairs)
Output Type Current sourcing/current sinking bipolar pairs
Maximum Output Current for each bipolar pair 1.25 Amps at 40 degrees Celsius (104 degrees Fahrenheit) / 0.5 Amp at 55 degrees Celsius (131 degrees Fahrenheit)
On-state Voltage Drop per Bipolar Pair 0.33 Volts
Maximum Leakage Current 1.0 milliamp
POINTBus Current (Maximum) 125 milliamps
Maximum Power Dissipation 3.1 Watts
Maximum Thermal Dissipation 10.59 BTU per hour
Maximum Power Bus Current without Load 65 milliamps
Dimensions (HxWxD) 77 x 25 x 55 millimeters (3.03 x 0.98 x 2.17 inches)

  

 

Information About 1734-OBV2S

The catalog number 1734-obv2s is an order reference for an Allen-Bradley/Rockwell Automation safety module from the Point I/O 1734 series. The 1734-obv2s safety module operates on a safety-control network which is necessary for compliance with all of the relevant standards for usage in industrial environments. Generally, these safety modules can be used with various controllers and used for different purposes. The compatible controllers are the Allen-Bradley SmartGuard, Compact GuardLogix, and standard GuardLogix controllers. The 1734-obv2s safety module comes with 2 pairs of bipolar outputs and it can work in the dual-channel mode which provides significant application capabilities. The module meets the following safety standards: the Category 3/4, SIL CL3, and PLe, Cat. 3 and 4 standards. The 1734-obv2s module offers redundant control through the available channels and outputs which can be pulse-tested in order to find and treat any circuitry issues.

The 1734-obv2s safety module allows for both vertical and horizontal mounting and it has an isolation voltage of 50 Volts continuous for the basic insulation type. The 1734-obv2s module weighs around 62.4 grams (2.2 ounces) and it has dimensions which include a height of 77 millimeters (3.03 inches), a weight of 25 millimeters (0.98 inches), and a depth of 55 millimeters (2.17 inches). The 1734-obv2s module has an open enclosure and it has a T4 temperature code according to the North America and ATEX standards. The 1734-obv2s safety module dissipates a maximum power level of 3.1 Watts and it has a maximum thermal dissipation rating of 10.59 BTU per hour. The nominal operating supply voltage of the power bus is 24 Volts DC while the voltage range is 19.2 to 28.8 Volts DC. In addition to that, the maximum power bus current without a load is 65 milliamps.



Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

Frequently Asked Questions about 1734-OBV2S
Question: What is the 1734-OBV2S?
Date Update:20/06/2025
Answer:

The 1734-OBV2S is a safety output module used in Point I/O systems to control actuators such as relays or contactors in safety-related applications. It offers 2 pairs of bipolar outputs that can operate in sourcing or sinking mode. This configuration allows the module to support redundant safety outputs. It is commonly used in systems requiring SIL CL3 or PLe Cat. 3/4 compliance. It integrates seamlessly with GuardLogix or SmartGuard controllers.

Question: What is the current rating of 1734-OBV2S?
Date Update:20/06/2025
Answer:

The 1734-OBV2S safety module has a current rating that depends on the operating temperature. Each bipolar output pair can deliver up to 1.25 Amps at 40°C and 0.5 Amp at 55°C. This thermal derating ensures safe and reliable performance across varying temperature conditions. Always consider this when planning load connections, as exceeding the limit can cause thermal shutdown or damage.

Question: How do I reset my 1734-OBV2S?
Date Update:20/06/2025
Answer:

To reset your Allen-Bradley 1734-OBV2S safety output module, follow this step-by-step process:

  • Step 1: Diagnose the fault condition
    Use your safety controller (e.g., GuardLogix or SmartGuard) to check for any fault messages or diagnostics indicating why the module is in a faulted state.
  • Step 2: Clear the safety faults
    In your safety application logic (Studio 5000), use the Reset Safety instruction or clear the fault bit associated with the module.
  • Step 3: Verify wiring and field devices
    Inspect all wiring, loads, and feedback circuits connected to the output channels. Faults like short circuits or load mismatches must be corrected before resetting.
  • Step 4: Power cycle if needed
    If the fault persists or if required by your controller logic, perform a power cycle by turning off the field power and reapplying it after a few seconds.
  • Step 5: Confirm module status
    Check the module status LEDs to ensure that it has returned to normal operation. Green indicators typically confirm a healthy state.

This procedure ensures the 1734-OBV2S returns to a safe, operable state while maintaining compliance with your safety system logic.

Question: What controllers are compatible with 1734-OBV2S?
Date Update:20/06/2025
Answer:

The 1734-OBV2S is compatible with the following Rockwell Automation safety controllers:

  • SmartGuard 600
  • Compact GuardLogix
  • Standard GuardLogix
  • Other safety-rated Logix controllers with Point I/O adapters

These controllers allow full integration of safety and standard I/O in a single platform.

Question: Is the 1734-OBV2S still in production?
Date Update:20/06/2025
Answer:

Yes, the 1734-OBV2S is actively manufactured and supported by Rockwell Automation.

IQElectro is not an authorized distributor.
QElectro LLC (IQElectro) is NOT an Authorized Distributor or in any way affiliated with Rockwell Automation, Siemens, or any other Manufacturers. IQElectro is NOT an Authorized Dealer of this product. The product may be of older version, date codes, or design than that available from authorized dealers. As IQElectro is not an authorized dealer of this product, the Original Manufacturer's Warranty and Support DO NOT apply. IQElectro sells SURPLUS only and DOES NOT SELL SOFTWARE or FIRMWARE licenses For more detailed information, please refer to the full version of our disclaimer policy Disclaimer Policy.
Description / Specifications

Description 

The 1734-obv2s safety module is produced by Allen-Bradley/Rockwell Automation and it has a total of 4 outputs per module. This Point I/O 1734 module features current sourcing/current sinking outputs and it includes 2 pairs of bipolar outputs. The module has small dimensions and it weighs around 62.4 grams (2.2 ounces).

 

 

Technical Specifications 

Brand Allen-Bradley
Series Point I/O 1734
Part Number 1734-OBV2S
Number of Outputs 4 (2 bipolar pairs)
Output Type Current sourcing/current sinking bipolar pairs
Maximum Output Current for each bipolar pair 1.25 Amps at 40 degrees Celsius (104 degrees Fahrenheit) / 0.5 Amp at 55 degrees Celsius (131 degrees Fahrenheit)
On-state Voltage Drop per Bipolar Pair 0.33 Volts
Maximum Leakage Current 1.0 milliamp
POINTBus Current (Maximum) 125 milliamps
Maximum Power Dissipation 3.1 Watts
Maximum Thermal Dissipation 10.59 BTU per hour
Maximum Power Bus Current without Load 65 milliamps
Dimensions (HxWxD) 77 x 25 x 55 millimeters (3.03 x 0.98 x 2.17 inches)

  

 

Information About 1734-OBV2S

The catalog number 1734-obv2s is an order reference for an Allen-Bradley/Rockwell Automation safety module from the Point I/O 1734 series. The 1734-obv2s safety module operates on a safety-control network which is necessary for compliance with all of the relevant standards for usage in industrial environments. Generally, these safety modules can be used with various controllers and used for different purposes. The compatible controllers are the Allen-Bradley SmartGuard, Compact GuardLogix, and standard GuardLogix controllers. The 1734-obv2s safety module comes with 2 pairs of bipolar outputs and it can work in the dual-channel mode which provides significant application capabilities. The module meets the following safety standards: the Category 3/4, SIL CL3, and PLe, Cat. 3 and 4 standards. The 1734-obv2s module offers redundant control through the available channels and outputs which can be pulse-tested in order to find and treat any circuitry issues.

The 1734-obv2s safety module allows for both vertical and horizontal mounting and it has an isolation voltage of 50 Volts continuous for the basic insulation type. The 1734-obv2s module weighs around 62.4 grams (2.2 ounces) and it has dimensions which include a height of 77 millimeters (3.03 inches), a weight of 25 millimeters (0.98 inches), and a depth of 55 millimeters (2.17 inches). The 1734-obv2s module has an open enclosure and it has a T4 temperature code according to the North America and ATEX standards. The 1734-obv2s safety module dissipates a maximum power level of 3.1 Watts and it has a maximum thermal dissipation rating of 10.59 BTU per hour. The nominal operating supply voltage of the power bus is 24 Volts DC while the voltage range is 19.2 to 28.8 Volts DC. In addition to that, the maximum power bus current without a load is 65 milliamps.



Manufacturer information

Allen-Bradley, a brand of Rockwell Automation, specializes in manufacturing industrial automation equipment. The product range includes programmable logic controllers (PLCs), motion control systems, safety devices, motor control equipment, automation software, and HMI panels. Allen-Bradley products are known for their reliability and integration with other systems.

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