An optical sensor (also called a photo sensor) is a device that detects, measures, or converts…

Definition A light curtain (or safety light curtain) is an optoelectronic safety device designed to protect personnel from…

Definition: Fieldbus is a digital, serial, multi-drop communication network that connects industrial field devices (e.g., sensors,…

Basic Definition CANopen is a high-level communication protocol and device profile specification built on top of the…

DeviceNet is an industrial network protocol designed for connecting low-level industrial devices (e.g., sensors, actuators, motor starters,…

AS-i (Actuator Sensor Interface) 1. Basic Definition AS-i (Actuator Sensor Interface) is a low-cost, simple fieldbus protocol…

Interbus (stylized as INTERBUS) is an open, digital fieldbus communication protocol designed for real-time data exchange…

CC-Link (Control & Communication Link) CC-Link is an open, industrial fieldbus and industrial Ethernet communication protocol…

Safety Instrumented System (SIS) A Safety Instrumented System (SIS) is a specialized control system designed to prevent or…

SIS (Safety Instrumented System) Definition A Safety Instrumented System (SIS) is a dedicated, independent system designed to prevent…