ALLEN BRADLEY 1734-OB8S PLC
ALLEN BRADLEY 1734-OB8S PLC
ALLEN BRADLEY 1734-OB8S PLC
ALLEN BRADLEY 1734-OB8S PLC
ALLEN BRADLEY 1734-OB8S PLC
ALLEN BRADLEY 1734-OB8S PLC
ALLEN BRADLEY 1734-OB8S PLC
ALLEN BRADLEY 1734-OB8S PLC

ALLEN BRADLEY 1734-OB8S PLC

MOQ : 1 Piece

ALLEN BRADLEY 1734-OB8S PLC Specification

  • Mounting Type
  • DIN Rail
  • Phase
  • Single Phase
  • Load Capacity
  • 0.5A per channel, 4A per module
  • Connectivity Type
  • POINT I/O backplane
  • Features
  • 8-channel, short-circuit protection, status indication LEDs, removable terminal block support
  • Frequency
  • 47-63 Hz
  • IP Rating
  • IP20
  • Remote Control
  • Yes
  • Automation Grade
  • Automatic
  • Processor Type
  • Not applicable (module only)
  • Cable Length
  • Depends on wiring, up to 100 m depending on installation
  • Weight
  • Approx. 52 g
  • Control Type
  • Digital output, Safety module
  • Application
  • Factory automation, machine control, remote I/O
  • Material
  • Plastic housing with embedded electronic circuitry
  • Power
  • 24V DC Supply Voltage
  • Temperature
  • Operating: -20C to 55C
  • Voltage
  • Output Voltage: 24V DC (nominal)
  • Channel Isolation
  • None between channels; group to backplane isolation only
  • Safety Integrity Level
  • SIL 3, Ple, Cat. 4 (ISO 13849-1/IEC 61508)
  • Output Type
  • Solid-state (sourcing)
  • Module Type
  • Safety Digital Output Module
  • Wire Size
  • 0.25-2.5 mm2 (22-14 AWG)
  • Product Code
  • 1734-OB8S
  • Backplane Current (at 5V DC)
  • 80 mA
  • Backplane Current (at 24V DC)
  • 2.5 mA
  • Relative Humidity
  • 5% to 95% (non-condensing)
  • Response Time
  • 10 ms (ON/OFF)
  • Module Width
  • 12 mm
  • Number of Outputs
  • 8 (sourcing, safety-rated)
  • Storage Temperature
  • -40C to 85C
 
 

About ALLEN BRADLEY 1734-OB8S PLC

ALLEN BRADLEY 1734-OB8S PLC


Allen-Bradley 1734-OB8Sis a POINT Guard I/O safety modulethat provides eight sourcing safety outputsfor controlling safety devices in a distributed I/O system. It supports SIL 3 / PLesafety applications and features dual-channel redundancyand short-circuit protectionThe module has a maximum output current of 1A per channeland can aggregate a total current of 8AIt includes channel-level diagnosticsfor easy troubleshooting and has a reaction time of up to 6.2 millisecondsThe module operates at a power bus supply voltage of 24 Volts DC nominaland has a thermal dissipation of 15.38 BTU/hour.



Advanced Safety Compliance

The 1734-OB8S module is engineered to meet rigorous safety standards, including Safety Integrity Level (SIL 3), Performance Level e (PLe), and Category 4 (ISO 13849-1). Its compliance ensures reliable protection in critical industrial automation and machine safety operations, giving your system robust defense against faults or unsafe scenarios.


Flexible and Efficient Digital Output

With 8 solid-state (sourcing) outputs, this module is ideal for controlling actuators and devices in automated machinery. Its swift 10 ms response time and capacity to handle up to 0.5A per channel make it efficient for rapid, high-precision digital output applications, enabling seamless automation processes.


Seamless POINT I/O Integration

Designed for easy integration, the 1734-OB8S supports POINT I/O backplane connectivity and can be conveniently mounted on a DIN rail. Connection to controllers is straightforward, supporting flexible remote I/O architectures for expanded automation capabilities with up to 100 m cable length, depending on installation.

FAQ's of ALLEN BRADLEY 1734-OB8S PLC:


Q: How is the ALLEN BRADLEY 1734-OB8S PLC module typically used in industrial automation?

A: This safety digital output module is commonly used to control actuators, relays, and other outputs within factory automation, machine safety, and remote I/O systems. Its SIL 3 and PLe safety ratings allow it to be trusted in safety-critical applications to help protect equipment and personnel.

Q: What are the wiring requirements for installing the 1734-OB8S module?

A: The module supports wire sizes from 0.25 mm2 to 2.5 mm2 (22-14 AWG). The removable terminal block simplifies installation and wiring processes, and cable lengths of up to 100 meters can be used, provided proper installation guidelines are followed.

Q: When should the 1734-OB8S be selected over a standard output module?

A: Choose the 1734-OB8S when your application requires compliance with high-integrity safety standards such as SIL 3 or PLe, or when you need short-circuit protection and safe digital output control in demanding industrial environments.

Q: Where is the optimal mounting location for this module within a control cabinet?

A: The 1734-OB8S is designed for DIN rail mounting within an enclosure that meets IP20 standards. It should be placed in a location that maintains operating temperatures between -20C and 55C and avoids exposure to condensing humidity or direct contact with dust and debris.

Q: What process does the 1734-OB8S use to ensure output safety?

A: This module leverages solid-state sourcing outputs coupled with built-in short-circuit protection and status indication LEDs. These features help monitor output health and ensure that safety functions are promptly executed if a fault occurs.

Q: How does the safety certification of the module benefit users?

A: By meeting stringent safety certifications, the 1734-OB8S reduces the risk of failures, minimizes downtime, and helps ensure regulatory compliance, providing peace of mind for those operating complex or hazardous machinery.

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