Vacon NX User Manual page 100

vacon • 98
UH
X2
Figure 54. Terminals and connections between ASIC and driver boards (CH64 and CH74)
Terminals on ASIC board
X9 Charge feedback
X15 Charging relay output
X6 Connect to DC-link on freq. converter
X29 Flow supervision input
Star Coupler terminal for drives greater
X26
than CH61
X10 +24 V supply voltage to control board
Connect to terminal X1 on phase U driver
X3
board
Connect to terminal X1 on phase V driver
X4
board
Connect to terminal X1 on phase W
X5
driver board
NOTE! Terminals X9 and X15 are connected by default. The cable can be removed if the signal is
receved from other source.
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
6
X9 X15
X29
UH
UL
UL VH
X1
Driver board,
phase U
Internal fan
Module 1
ELECTRICAL CABLING AND CONNECTIONS
DC- DC+
H1H2H3H4H5H6H7
X6
ASIC board
X26
X10
VH WH
VL WL X3 X4 X5
VL
X2
X1
Driver board,
phase V
Internal fan
Module 2
Gate driver signals from ASIC to driver
UH Connect to UH on Phase U driver board
UL Connect to UL on Phase U driver board
VH Connect to VH on Phase V driver board
VL Connect to VL on Phase V driver board
Connect to WH on Phase W driver board
WH
WL Connect to WL on Phase W driver board
Terminal X2 on Phase driver board
Internal fan power connection
X2
WH WL
X2
X1
Driver board,
phase W
Internal fan
Module 3
11371_uk
board