Control unit
vacon • 43
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
5
5.2
Control units MU2 and MU3
The control unit of the AC drive consists of the control board and additional boards (option boards)
connected to the slot connectors of the control board. The locations of boards, terminals and
switches are presented in Figure 31, Figure 32 and Figure 33.
Figure 31. Locations of the components in control unit of MU2 (three-phase version).
Table 19. Locations of components in control unit
Number
Meaning
1
Control terminals A-20
2
STO terminals (only in three-phase version)
3
Relay terminals
4
Option board terminals
5
STO Jumpers (only in three-phase version)
6
DIP switches
7
Status LEDs
8
HMI connector (RJ45 keypad connector)*
9
Optional brake resistor terminals
10
Supply voltage connector for external fan
11
Control terminals A-20 echo connector
12
HMI echo connector (keypad connector)
13
DC-bus terminals
*
The HMI connector is only to connect the keypad and not for Ethernet communi-
cation.