Posts Tagged SIL certified
Is it time to switch switches?
Posted by danstips in Pressure Switches, Safety Control, Switches, Temperature Switches, Transmitters, United Electric on September 9, 2015
Eight problems with outdated, electromechanical switches and eight solutions that will come with a digital upgrade to your plant.
Operational Visibility
The Problem: Unless tested on a regular basis, there is no way to determine when a problem exists. With mechanical switches, the only way to diagnose a problem is to remove the switch, leaving the control or safety function
unprotected.
Solution: Newer digital switches have an LCD screen that shows local process variable measurements and integrated internal diagnostics directly on the screen. You can easily monitor the health of the device at a glance, without having to remove the switch from operation.
Adjustability
The Problem: Mechanical switches require careful adjustments for reaching desired setpoints. Additionally, once these adjustments are made, settings