Purpose of Instrument Loop Diagrams

Purpose of Loop Diagrams

Loop diagrams are very important Instrumentation design deliverables. Their purpose is to represent components of a instrument loop.

Why 4-20 mA Current Signal is used instead of Voltage Signal

Troubleshooting a 4-20mA Current loop

The basic layout of every 4-20mA loop consists of a power supply, a transmitter, and passive loop devices. The supply produces the energy to run loop.