Yaskawa BACnet MS/TP SI-B3/V - Manual (Page 17)

u Prior to Installing the Option
Prior to installing the option, wire the drive, make necessary connections to the drive terminals,
and verify that the drive functions normally without the option installed. Refer to the drive
Quick Start Guide for information on wiring and connecting the drive.
u Installing the Option
DANGER! DANGER! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on.
Failure to comply could result in death or serious injury. Before installing the option, disconnect all power to
the drive and wait at least the amount of time specified on the drive front cover safety label. After all indicators
are off, measure the DC bus voltage to confirm safe level, and check for unsafe voltages before servicing.
The internal capacitor remains charged after the power supply is turned off.
1.
Shut off power to the drive, wait at least five minutes after confirming the DC bus
voltage is safe, then loosen the screw that fastens the front cover in place and remove
the front cover. This drive front cover will be replaced by the option cover. Cover
removal varies depending on drive size.
NOTICE: Damage to Equipment. Observe proper electrostatic discharge procedures (ESD) when
handling the option, drive, and circuit boards. Failure to comply may result in ESD damage to
circuitry.
Figure 3 Remove the Front Cover
2.
The remaining installation steps differ based on drive model. Find the drive model
number on the drive nameplate and refer to the step indicated in
Table 5 based on
your model number
5 Installation Procedure
YASKAWA TOEP YAICOM 19A V1000 Option BACnet MS/TP SI-B3/V Installation & Technical Manual 17