A 13 Posts in this encyclopedia category
All-current sensitive
All-current sensitive residual current monitors (type B) use special measuring methods. They are suitable for measuring all types of residual currents in electrical installations: AC currents AC,...
Requirement class (AK)
According to DIN 19250, assignment of requirements for the realisation of the protective device, which should lead to a safety-related performance of the device appropriate to the risk. It...
Start-up interlock
Device that prevents automatic machine start-up when the power supply to the SAG is switched on or interrupted and switched on again.
Start-up test
Manuell oder automatisch durchgeführter Test des SAG, nachdem die Versorgungsspannung an das SAG angelegt wurde. Ein Beispiel ist das manuelle Öffnen und Schließen einer trennenden...
Response delay
The unit is started by applying the operating voltage. After the set delay time has elapsed, the time relay switches to the operating position.
Drive monitoring
The speed monitors of the SAFEMASTER S series detect and signal the standstill and speed of machines and systems in automatic as well as in set-up mode. Dold offers efficient and economical...
Working current principle
The contact switches to the active position when the response condition is fulfilled.
Output expander
SAG, which can only be used in conjunction with a base unit / basic unit for the purpose of multiplying the outputs.
Switch off in an emergency
Emergency action intended to cut off the supply of electrical energy to all or part of an installation if there is a risk of electric shock or any other risk of electrical origin [IEC / DIN EN...
Evaluation unit, safety-related
Generates a safety-related output signal, depending on the status of connected signal transmitters, either according to a fixed assignment or according to programmed instructions. SAG.
Automatic start
After checking the input image and a positive test by the SAG , an enable signal is generated without manual approval. This function is also called dynamic operation and is not permitted for...