C
L E A R
P
A T H
M C / S D
U
S E R
M
A N U A L
R
E V
.
3 . 0 9
3 7
T
EKNIC
,
I
NC
. T
EL
.
(585)
784-7454
P
OWER
H
UB
:
T
HINGS TO
K
NOW
•
Logic backup power is not designed to spin motors.
It
is designed to maintain uninterrupted, low voltage power to
the motor electronics (encoder, DSP, communication, I/O, and
associated circuits).
•
Damage Warning:
Reversing DC bus power polarity to
the Power Hub will permanently damage it.
Use a
meter to verify correct DC bus power polarity before
connecting the power supply to the Power Hub.
•
Do not "hot swap" DC power connectors.
Turn off DC
bus power supply before connecting a motor to the Power
Hub.
Connecting and disconnecting the motor from a live
power supply will cause electrical arcing that will damage
the connectors over time.
•
Logic backup power should not be used as a means of
switching DC bus power on and off.
To control DC bus
power, use a contactor on the AC side of the DC bus power
supply.
•
Do not connect more than two Power Hubs to a power
supply.
Continuous and peak current usage must not exceed
the power supply's specifications.
I
t is the user's responsibility to ensure that the DC bus power
supply has sufficient continuous and peak power to meet
their application requirements.
•
Do not attempt to power more than four ClearPath
motors from a single Power Hub.
P
OWER
H
UB
:
C
OMPLIANCE
N
OTES
•
Any 3rd party (non-Teknic) power supply used with the Power
Hub, should be current limited or fused to 25A or less using
25A, 300VDC (UL Listed) fuses.
•
If UL compliance is a consideration, select a DC, UL Listed
fuse.
•
For those seeking a Class G fuse, the
SC-25 from Eaton Cooper
Bussmann
, or
OSLCO25 from Littelfuse
is recommended. Fuse
holders (also rated this way) include the
HPS-FF and TCFH30N
(from ECB/Littelfuse respectively)
.