88 • vacon
ELECTRICAL CABLING AND CONNECTIONS
Tel. +358 (0)201 2121 • Fax +358 (0)201 212 205
6
X10
UH
UL
VH
VL
WH
WL
ASIC board
DC- DC+
X6
X3 X4 X5
X29
X9
X15
X26
H1H2H3H4H5H6H7
UH
UL
VH
VL
WH
WL
X1
X1
X1
Module 3
Driver board,
phase U
Driver board,
phase V
Driver board,
phase W
Module 1
Module 2
X2
X2
X2
Internal fan
Internal fan
Internal fan
Figure 6-20. Terminals and connections between ASIC and driver boards (CH64 and CH74)
Terminals on ASIC board
Gate driver signals from ASIC to driver board:
X9
Charge feedback
UH
Connect to UH on Phase U driver board
X15
Charging relay output
UL
Connect to UL on Phase U driver board
X6
Connect to DC-link on freq. converter
VH
Connect to VH on Phase V driver board
X29
Flow supervision input
VL
Connect to VL on Phase V driver board
X26
Star Coupler terminal for drives greater than
CH61
WH
Connect to WH on Phase W driver board
X10
+24V supply voltage to control board
WL
Connect to WL on Phase W driver board
X3
Connect to terminal X1 on phase U driver
board
Terminal X2 on Phase driver boards
X4
Connect to terminal X1 on phase V driver
board
X2
Internal fan power connection
X5
Connect to terminal X1 on phase W driver
board
Note: Terminals X9 and X15 are connected by default. The cable can be removed if the signal is receved from
other source.