VICOR DC MegaPAC, Руководство пользователя

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DC MegaPAC™ Quick Install Instructions
Mounting the DC MegaPAC
n n The DC MegaPAC can be mounted on any of four sides.
n n
Use #8-32 or M4 mounting screws. Maximum penetration should
not exceed 0.15in [3,8mm].
n n Maintain 2in [5,1cm] clearance at either end for airflow.
Output Connections
Power Connections
Installing ring lugs and/or bus bars on output studs:
n n
The upper stud is Positive and the lower stud is the Return.
n n Remove outer nut. Do not remove or loosen inner nut.
n n
Place ring lug over output stud.
n n Replace and tighten outer nut to a maximum torque of 45lb.in. Do Not Over-Tighten Nuts.
Installing power connectors on DualPACs (J1A and J1B):
n n Use Molex mating receptacle #39-01-2060 with #39-00-0039 terminals provided.
n n Pins 1 and 4 are Positive, while pins 2 and 5 are the Return.
n n Attach terminals to 18 - 24AWG stranded wire using Molex tool #11-01-0197.
Sense Connections
Sense connections must always be made. Failure to connect Sense lines can cause
failure to the unit.
Sense Connector J2:
Sense connections do not have to be made if the Local Sense option has been ordered.
(An “L” in the ConverterPAC ™ part number means the Local Sense option has been
installed; e.g., M5V/40AL.)
Use Molex mating receptacle #50-57-9403 with #16-02-0103 terminals provided.
n n J2-2 is the +Sense and J2-3 is the –Sense.
n n
Attach terminals to 22 - 24AWG twisted pair wire using Molex tool #11-01-0208.
n n Attach opposite ends of Sense lines to point where regulation is desired.
n n
Verify that Sense lines are not cross-connected before applying input power.
Sense Connections on DualPACs:
n n Sense connections do not have to be made if the Local Sense option has been ordered. (An “L” in the
ConverterPAC part number means the Local Sense option has been installed;
e.g., D5V/20AL-12V/4.2AL.)
n n Sense connections are available on the J2 connector or the J1A and J1B connectors.
Either can be used.
n n
If using J2 connector, see instructions above for “Sense Connector J2.”
n n Pin 3 is the +Sense and Pin 6 is the –Sense.
n n
Attach terminals to 18 - 24AWG twisted pair wire using Molex tool #11-01-0197.
n n Verify that Sense lines are not cross-connected before applying input power.
DualPAC™ Output Connector
Sense Connector
DualPAC Output Connector
1&4 +VOUT
2&5 –VOUT
3 +Sense
6 –Sense
Pin
J1A & J1B
1
2
3
4
5
6
1
2
3
1 Trim Pin Access
2 +Sense
3 –Sense
Pin
J2
1&4 +VOUT
2&5 –VOUT
3 +Sense
6 –Sense
Pin
J1A & J1B
1
2
3
4
5
6