1734-OB8E-C
1734-OB8E-C
Manufacturer: ALLEN BRADLEY
Condition: New and Unused, Surplus.
Overview of Allen Bradley 1734-OB8E
The Allen Bradley 1734-OB8E is an 8-point digital output module from the POINT I/O series, designed to deliver reliable 24V DC sourcing outputs for a wide range of industrial automation applications. It operates with a maximum load of 1 ampere per channel and a total of 3 amperes per module, providing efficient and flexible control. Its compact dimensions (56.0 mm x 12.0 mm x 75.5 mm) and DIN rail mounting make it ideal for systems where space is limited. The module incorporates advanced diagnostics with yellow output status and red fault indicators, plus green/red module and network status LEDs that allow quick system status assessment. Rated for operation between -20°C and 55°C, it features robust isolation voltage capabilities and field-tested insulation ensuring safe and durable performance. With a current requirement of 75 mA at 5 V DC on the Pointbus, it is highly compatible with compatible Allen Bradley I/O wiring bases for easy integration.
Key Features of Allen Bradley 1734-OB8E
- 8 digital output points with 24V DC sourcing capability
- Maximum 1A current per channel, 3A total per module
- Compact form factor: 56.0 mm high, 12.0 mm wide, 75.5 mm deep
- Power dissipation of 2.0 W and thermal dissipation of 6.8 BTU/hr
- Isolation voltage of 50V continuous; tested to 2500V DC for 60 seconds
- Diagnostic indicators: 8 yellow output status, 8 red output fault, 2 green/red module/network status LEDs
- Plug-in terminal block for quick wiring and maintenance
- Operational temperature ranging from -20°C to 55°C
- Requires 75 mA @ 5V DC Pointbus current to operate
- Reinforced insulation for enhanced safety and reliability
Technical Specs of 1734-OB8E
| Specification | Details |
|---|---|
| Number of Outputs | 8 (non-isolated, sourcing) |
| Output Voltage | 24V DC nominal (10 - 28.8V DC range) |
| Output Current | 1A max per channel, 3A max per module |
| Power Dissipation | 2.0 Watts |
| Thermal Dissipation | 6.8 BTU/hr |
| Isolation Voltage | 50 V continuous, tested to 2500 V DC for 60 seconds |
| Pointbus Current | 75 mA @ 5 V DC |
| Operating Temperature | -20°C to 55°C |
| Dimensions (HxWxD) | 56.0 x 12.0 x 75.5 mm |
| Mounting | DIN Rail via 1734-TB or 1734-TBS wiring base |
Applications / Use Case
The Allen Bradley 1734-OB8E digital output module is ideally suited for modular control systems where flexibility and ease of maintenance are key. It is commonly used in manufacturing automation, process control, and safety-related machine functions requiring precise control of actuators, solenoids, and indicator lights. Its integration into POINT I/O systems allows distributed I/O deployment close to field devices, minimizing wiring costs and improving system diagnostics. The module’s built-in fault detection enhances troubleshooting and system uptime. Typical applications include assembly line automation, material handling systems, packaging machines, and safety interlock controls within various industrial environments.
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