Allen Bradley 1734-OB8S Safety IO Module with 8 Output Channels, 24V DC Power Supply

Allen Bradley 1734-OB8S is a POINT I/O SAFETY I/O module designed specifically for use with GuardLogix and SmartGuard controllers. This module has 8 solid-state current source output channels and operates with a 24V DC power supply voltage, providing highly reliable safety control functions.

Main features:

Output channels: 8 solid-state current source output channels.
Power supply voltage: 24 volts DC nominal voltage, operating range 19.2 to 28.8 volts DC.
Output current: 1 ampere output current per channel.
Pulse characteristics: Pulse width of 475 microseconds, pulse period of 575 milliseconds.
Short circuit detection: It has the functions of short circuit, high, low, and cross circuit fault detection, and is protected by electronics.
Response time: up to 6.2 milliseconds.
Power consumption: maximum 4.5 watts, typical 3.02 watts.
Heat dissipation: 15.38 BTU/hour.
Isolation voltage: 50 volts continuous, with basic insulation.
Indicator lights: including lock status, power status, and 8 I/O channel indicator lights.
Compatibility: Compatible with GuardLogix, Compact GuardLogix, and SmartGuard controllers.
Configuration tools: GuardLogix programming tool and Logix Designer application.
Safety level: Compliant with SIL CL2 PLe, Category 4 requirements.
Working mode: Supports single channel and dual channel modes, with single channel mode suitable for security category 2 applications and dual channel mode suitable for security category 3 and 4 applications.

Single channel and dual channel modes:

Single channel mode: provides control using one output signal, suitable for applications requiring safety category 2, with rated performance including performance level d/SIL CL2. Suitable for secure applications with a process safety time of no less than 600 milliseconds, as well as applications with a demand rate of no more than 1 demand per minute.
Dual channel mode: using two output channels for redundant control, suitable for applications requiring safety categories 3 and 4, with rated performance including performance level e/SIL CL3. Capable of conducting pulse testing to detect on-site wiring short circuits. When a fault is detected, the output will shut down and remain in a closed state until the fault is restored.

Allen Bradley 1734-OB8S is a powerful POINT I/O SAFETY I/O module with 8-point solid-state current source output and 24V DC power supply voltage, featuring short circuit detection and protection functions. This module supports single channel and dual channel modes, providing highly reliable safety control functions and suitable for various industrial safety applications. Its compact design, easy to configure tools, and advanced safety features make it an ideal choice in the field of industrial automation.

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