In-Depth Analysis of BLE Connection Establishment Process

In-Depth Analysis of BLE Connection Establishment Process

Why can the same smartphone connect successfully with some devices but fail with others? Why can the same device connect with some smartphones but not with others? Why does the same smartphone connect quickly with the same device at times and slowly at others? What is a Master? What is a Slave? What are Connection … Read more

PROFIBUS Fault Diagnosis

PROFIBUS Fault Diagnosis

Fault Diagnosis When S7-1200 communicates as a DP Master, the CPU does not stop and does not require downloading the organization block when a DP slave is lost. There are several methods for diagnosing faults in PROFIBUS DP: 1. Through the Indicator Lights on the Module The DIAG light on the front panel is green … Read more