Tuba Installation Guide
Installation
MAN-TUBIG (Ver. 1.503)
26
3.4.2.
Connecting the Power Cables
Access the power terminal connections on the Tuba servo drive by removing the front safety
cover located at the bottom of the front panel of the unit, as shown below:
Figure 8: Removable Bottom Panel
After removing the safety cover, the power terminal connections are visible, as follows:
Figure 9: Tuba Power Connectors
The main power connector, which is located at the bottom of the Tuba, has the following pins:
Pin
Function
Cable
Pin Positions
B1
DC Link (+)
DC Link
B2
DC Link (-)
DC Link
AC3
Phase 3
Power
AC2 Phase 2
Power
AC1 Phase 1
Power
PE
Protective earth
Power
AC Motor Cable DC Motor Cable
PE
Protective earth
Motor
Motor
M3
Motor phase
Motor
N/C*
M2
Motor phase
Motor
Motor
M1
Motor phase
Motor
Motor*
Note:
When connecting several motors, all must be wired in an identical manner.
*On prototype versions of the Tuba, M3 was connected to the Motor and M1 was not.
Table 2: Connector for Main Power and Motor Cables