SEC PB4-DY Digital Output Module

The SEC PB4-DY is a 4-channel digital output module designed for industrial control and automation systems. This module provides reliable relay-based outputs for switching various field devices such as contactors, solenoids, pilot lights, and small motors, ensuring robust performance in demanding environments.

Technical Specifications

The module is designed for DIN rail mounting in standard control cabinets. Each output channel includes LED status indicators for visual confirmation of output states, simplifying troubleshooting during commissioning and maintenance. The module incorporates optoisolation between the control logic and output circuits, protecting the host system from electrical noise and voltage transients.

• Output Channels: 4 independent relay outputs

• Contact Configuration: SPDT (Form C) per channel

• Contact Rating: 5 A at 250 V AC / 30 V DC (resistive)

• Isolation: Optoisolated control to output

• Status Indication: Individual channel LEDs

• Power Supply: 24 V DC from system backplane

• Operating Temperature: 0°C to +55°C

• Mounting: DIN rail compatible

Application Suitability

The PB4-DY is commonly deployed in manufacturing automation, packaging machinery, material handling systems, and building automation. Its relay outputs are ideal for applications requiring switching of inductive loads or where galvanic isolation between control and field circuits is essential. The module's compact design allows high-density installation in control panels.

Integration and Reliability

Designed for compatibility with SEC PLC systems and other industrial controllers, the PB4-DY interfaces through standard backplane connections. The module features rugged construction with industrial-grade components, ensuring long service life in continuous operation. Comprehensive protection against overload and short-circuit conditions safeguards both the module and connected loads.