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The Delta AS16AP11P-A combines digital input and output functionality within one compact PLC expansion module, providing 8 input channels and 8 output channels. The input section can receive 24 VDC signals from devices such as proximity sensors, photoelectric sensors, push buttons and limit switches, while the PNP transistor outputs can be used to control compatible DC loads and actuators. This combination helps reduce the number of separate I/O modules required in a control system.
Its PNP sourcing output design supports 5–30 VDC operation and up to 0.5 A per output, with a maximum common current of 4 A. The module is designed around Delta's AS Series compact modular PLC architecture, using direct DIN-rail mounting and plug-in screwless terminals for convenient installation and maintenance. Its compact construction is particularly useful where control-panel space is limited.
The AS16AP11P-A is suitable for a variety of industrial automation applications, including packaging machinery, material handling equipment, production lines, machine control systems and general automated equipment. By combining 8 digital inputs and 8 digital outputs in one module, it provides a balanced interface between field sensors and controlled devices while maintaining a compact system layout. For replacement or expansion projects, the module's AS Series compatibility, input specifications and PNP output configuration should be checked against the existing PLC hardware and field wiring.