Vicor Westcor PFC MegaPAC Power Factor Corrected AC-DC Switchers User Manual
Page 13
UG:105
vicorpower.com
Applications Engineering: 800 927.9474
Page 13
Sense Connector J2 (and P2 for the FinPAC):
n
Sense connections do not have to be made if the Local Sense option was ordered or if
Autosense is present (see above note on Autosense.)
n
Use Molex mating receptacle #50-57-9403 with #16-02-0103 terminals provided.
n
J2-2 is the +Sense and J2-3 is the -Sense.
n
Attach terminals to 22-24 AWG twisted pair wire using Molex tool #11-01-0208.
n
Attach opposite ends of Sense lines to point where regulation is desired.
n
Verify that Sense lines are not cross-connected before applying input power.
n
For the FinPAC, P2-7 is the + Sense and P2-6 is the -Sense.
n
Use Molex mating receptacle #39-01-0073 with #39-00-0031 terminals provided
n
Attach terminals to 22-28 AWG stranded wire using Molex tool #57005-5000.
Sense Connections on DualPACs:
n
Sense connections do not have to be made either if the Local Sense option has
been ordered or Autosense is present (refer to note on Autosense).
n
Sense connections are available on the J2 connector (P2 for the FinPAC)
or the J1A and J1B connectors.
n
If using J2 or P2 connector, see instructions on page 10.
n
On J1A and J1B, Pin 3 is the +Sense and Pin 6 is the -Sense.
n
Use Molex mating receptacle #39-01-2060 with #39-00-0039
terminals provided.
n
Attach terminals to 18-24 AWG twisted pair wire using
Molex tool #11-01-0197.
n
Verify that Sense lines are not cross-connected before applying input power.
Trim Pin Connection J2 (and P2 for FinPAC)
n
The Trim J2 connection should only be made if the Trim option has not been
installed. (A “T” or an “F” in the ConverterPAC part number means the Trim option is
installed; e.g. M5V/40AT.)
n
Use Molex mating receptacle #50-57-9403 with #16-02-0103 terminals provided.
n
Attach terminals to 22-24 AWG stranded wire using Molex tool #11-01-0208.
n
J2-1 provides Trim access.
n
For the FinPAC, refer to P2 Connector. P2-5 provides Trim Access.
n
Use Molex mating receptacle #39-01-0073 with #39-00-0031 terminals provided.
n
Attach terminals to 22-28 AWG stranded wire using Molex tool #57005-5000.
1
2
3
J2 Sense Connector
J2-1 Trim Pin Access
J2-2 +Sense
J3-3 -Sense
Pin
J2
6 -REMOTE SENSE
3 +REMOTE SENSE
2 and 5 -V OUT
1 and 4 +V OUT
PIN
J1B
+
4
6
-
5
+
+RS -
-RS
3
2
1
J1A
3
2
1
4
6
+RS
-RS
+
+
-
5
-
P2 Sense Connector
POWER GOOD INVERTED
TRIM
5
3
2
4
1
SIGNAL GROUND
POWER GOOD
Vcc IN
7
6
+SENSE
-SENSE
1
2
3
J2 Trim Pin Connector
J2-1 Trim Pin Access
J2-2 +Sense
J3-3 -Sense
Pin
J2
P2 Trim Pin Connector
POWER GOOD INVERTED
TRIM
5
3
2
4
1
SIGNAL GROUND
POWER GOOD
Vcc IN
7
6
+SENSE
-SENSE
DualPAC Output Connector