Danfoss vlt fcd 302 Manuel d'utilisation - Page 12

Parcourez en ligne ou téléchargez le pdf Manuel d'utilisation pour {nom_de_la_catégorie} Danfoss vlt fcd 302. Danfoss vlt fcd 302 16 pages. Safe torque of, frequency converters

Imprimer la page
Commissioning

4.7 Service and Maintenance

For PL d or SIL2, it is a must, for lower PL or SIL it is
recommended to conduct a functional test every 12
months to detect any failure or malfunction of the STO
functionality.
To conduct the functional test, perform the following steps
(or a similar method suitable for the application):
4
4
1.
Remove the 24 V DC voltage supply at terminal
37.
2.
Check if the LCP shows alarm 68, Safe Stop.
3.
Verify that the frequency converter trips the unit.
4.
Verify that the motor is coasting and comes to a
complete stop.
5.
Verify that the motor cannot be started.
6.
Reconnect the 24 V DC voltage supply to
terminal 37.
7.
Verify that the motor is not started automatically
and restarts only by giving a reset signal (via bus,
digital I/O, or [Reset] key).
10
Safe Torque Off
Danfoss A/S © 01/2018 All rights reserved.
MG37D502