bonitron M3460UC, Customer Reference Manual

Page: 15 / 56

User’s Manual
15
3.4.1.1.
S
TORAGE
B
US
(+ -) C
ONNECTIONS
The M3460UC capacitor bank connections are made at the Storage Bus
fuse blocks at the top of the module.
Make sure the polarity is correct for these connections, as failure to do
so can cause severe damage to the system.
DANGER!
F
OR SYSTEMS THAT HAVE
DC
STORAGE
,
ALWAYS MEASURE
DC
VOLTAGES AND
FOLLOW PROPER PRECAUTIONS TO ENSURE THEY ARE AT SAFE LEVELS BEFORE
MAKING CONNECTIONS
.
3.4.1.2.
D
RIVE
B
US
(+ -) C
ONNECTIONS
The M3460UC must have a DC bus connection directly to the DC bus
filter capacitors within the drives. Connections cannot be made through
the braking terminals or with precharge resistors or DC link chokes
between the output of the M3460 and the DC bus capacitors in the drive.
Consult the manufacturers' documentation or contact Bonitron for further
assistance.
Make sure the polarity is correct for these connections, as failure to do
so can cause severe damage to the system.
DANGER!
F
OR SYSTEMS THAT HAVE
DC
STORAGE
,
ALWAYS MEASURE
DC
VOLTAGES AND
FOLLOW PROPER PRECAUTIONS TO ENSURE THEY ARE AT SAFE LEVELS BEFORE
MAKING CONNECTIONS
.
3.4.1.3.
G
ROUNDING
R
EQUIREMENTS
All units come equipped with a ground stud that is connected to the
module chassis. Ground the chassis in accordance with local codes.
Typically, the wire gauge will be the same as is used to ground the
attached drive.