Photon-Coupled Trigger Type W502

Summary: The W502 series is a photon-coupled interface module designed for process control systems. It enables the transmission of 48-volt signals to digital controls over long distances while providing isolation from electrical noise and floating supplies. Key features include:

• Functionality: It filters out contact bounce using inherent circuit delays and includes low-voltage inputs suitable for pushbuttons.
• Specifications: Inputs require 40 mA at nominal voltage with a ±20% tolerance. Outputs can drive 15 mA to ground with a typical 20 msec switching delay.
• Design: High-voltage connections are located at the handle end to enhance isolation. Power requirements are +10V (7 mA) and -15V (44 mA).
• Installation: It uses three AMP "Faston" tabs for connections, and users are advised to keep input wiring separate from logic wiring to prevent signal interference.