Pim300x internal block diagram, Pin functions, Data sheet – GE Industrial Solutions PIM300X Series User Manual
Page 6

Data Sheet
November 29, 2010
PIM300X Series; ATCA Board Power Input Modules
-38 to -75Vdc; 300W Input
LINEAGE
POWER
6
PIM300X Internal Block Diagram
PIN FUNCTIONS
PIN NO.
PIN NAME
I/O
DESCRIPTION
1
-48_AF
I
-48V_A Feed (Externally Fused)
2
-48_BF
I
-48V_B Feed (Externally Fused)
3
VRTN_AF
I
VRTN_A Feed (Externally Fused)
4
VRTN_BF
I
VRTN_B Feed (Externally Fused)
5
ENABLE_AF
I
ENABLE_A Feed (Externally Fused)
(Short Pin, connected to VRTN_A on the back plane)
6
ENABLE_BF
I
ENABLE_B Feed (Externally Fused)
(Short Pin, connected to VRTN_B on the back plane)
7
SHELF_GND
I/O
Shelf / Chassis / Safety Ground
8
72V_CAP
O
Holdup/Bulk capacitor output voltage
9
-48V_OUT
O
OR’d and Inrush Protected –48V Output Bus
10
MGMT_PWR
O
3.3V / 5.0V Isolated Management Power Output ( w.r.t
LOGIC_GND)
11
LOGIC_GND
I/O
Logic / Secondary / Isolated Ground
12
-48V_ALARM
O
Opto-isolated -48V A/B Feed Loss or Open Fuse Alarm
(w.r.t LOGIC_GND)
13
VRTN_OUT
O
OR’d and Inrush Protected VRTN Output Bus
(5)
(6)
(3)
(4)
(7)
(1)
(2)
(11)
(8)
(13)
(10)
(9)
(12)
VRTN_OR
DC/DC
CONVERTER
-48_OR
INRUSH
PROTECTION
+48OUT
-48OUT
EMI
FILTER
Normally=OFF
Power Loss=ON
Alarms
&
Monitoring
VRTN_OUT
-48V_OUT
-48V_ALARM
MGMT_PWR
ENABLE_AF
ENABLE_BF
VRTN_AF
VRTN_BF
SHELF_GND
-48_AF
-48_BF
LOGIC_GND
72V_CAP