Yaskawa BACnet MS/TP - Manual (Page 13)

5 Installation Procedure
u Section Safety
DANGER
Electrical Shock Hazard
Do not connect or disconnect wiring while the power is on.
Failure to comply will result in death or serious injury.
Before installing the option, disconnect all power to the drive. The internal capacitor remains
charged even after the power supply is turned off. The charge indicator LED will extinguish
when the DC bus voltage is below 50 Vdc. To prevent electric shock, wait at least five
minutes after all indicators are off and measure the DC bus voltage level to confirm safe
level.
WARNING
Electrical Shock Hazard
Do not operate equipment with covers removed.
Failure to comply could result in death or serious injury.
The diagrams in this section may show drives without covers or safety shields to show
details. Be sure to reinstall covers or shields before operating the drives and run the drives
according to the instructions described in this manual.
Do not remove covers or touch circuit boards while the power is on.
Failure to comply could result in death or serious injury.
Do not allow unqualified personnel to use equipment.
Failure to comply could result in death or serious injury.
Installation, maintenance, inspection, and servicing must be performed only by authorized
personnel familiar with installation, adjustment, and maintenance of this product.
5 Installation Procedure
YASKAWA TOEP YEACOM 08A A1000 Option BACnet MS/TP SI-B3 Installation & Technical Manual 13