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<h1 class="mwt-heading" >Power Requirements for APU-102 Systems</h1>
<div>
<h2 class="mwt-heading" >APU-102EG</h2>
 
<p>1 Internal Reader</p>
<span style="font-size: 14.4px;"></span><p class="mwt-heading" ><span style="font-size: 14.4px;">Power Requirements for APU-102 Systems</span><br></p></div>
== APU-102EG ==
<p>1 Internal Reader</p><p><br></p><div>
{| style="border-collapse: collapse; height: 84px;" border="1px" cellpadding="2px"
|- style="height: 28px;"
| style="height: 28px; width: 108.328px;" | <p>Full System</p>
| style="height: 28px; width: 56.0469px;" | <p>24VDC</p>
| style="height: 28px; width: 103.766px;" | <p>12VDC(C suffix)</p>
|- style="height: 28px;"
| style="height: 28px; width: 108.328px;" | <p>Train not present</p>
| style="height: 28px; width: 56.0469px;" | <p>630 ma</p>
| style="height: 28px; width: 103.766px;" | <p>1200 ma</p>
|- style="height: 28px;"
| style="height: 28px; width: 108.328px;" | <p>Train present</p>
| style="height: 28px; width: 56.0469px;" | <p>1030 ma</p>
| style="height: 28px; width: 103.766px;" | <p>2150 ma</p>
|}
</div><p><br></p><p>System Component Current</p><p><br></p><div>
{| style="border-collapse: collapse;" border="1px" cellpadding="2px"
|-
| <p>CPU only</p>
| <p>460 ma</p>
| <p>900 ma</p>
|-
| <p>CPU with RDR & No RF unit</p>
| <p>560 ma</p>
| <p>1020 ma</p>
|-
| <p>CPU with RDR & RF unit off</p>
| <p>630 ma</p>
| <p>1200 ma</p>
|-
| <p>CPU with RDR & RF unit on</p>
| <p>1030 ma</p>
| <p>2150 ma</p>
|}
</div><p><br></p>
== APU102PG ==
<p>1 Internal Reader</p><p><br></p><div>
{| style="border-collapse: collapse;" border="1px" cellpadding="2px"
|-
| <p>Full System</p>
| <p>24VDC</p>
| <p>12VDC(C suffix)</p>
|-
| <p>Train not present</p>
| <p>770 ma</p>
| <p>1560 ma</p>
|-
| <p>Train present</p>
| <p>1030 ma</p>
| <p>2480 ma</p>
|}
</div><p><br></p><p>System Component Current</p><p><br></p><div>
{| style="border-collapse: collapse;" border="1px" cellpadding="2px"
|-
| <p>CPU only</p>
| <p>600 ma</p>
| <p>1300 ma</p>
|-
| <p>CPU with RDR & No RF unit</p>
| <p>700 ma</p>
| <p>1400 ma</p>
|-
| <p>CPU with RDR & RF unit off</p>
| <p>770 ma</p>
| <p>1560 ma</p>
|-
| <p>CPU with RDR & RF unit on</p>
| <p>1250 ma</p>
| <p>2480 ma</p>
|}
</div><p class="mwt-heading"></p>
== APU-102EDG ==
<p>2 Internal Readers</p>
<p><br></p>
<p><br></p>
<div>
<div>
{| style="border-collapse: collapse; margin-left: auto; margin-right: auto; width: 920px;" border="1px" cellpadding="2px"
 
{| style="border-collapse: collapse;" border="1px" cellpadding="2px"
|-
|  <p>Full System</p>
|  <p>24VDC</p>
|  <p>12VDC(C suffix)</p>
|-
|  <p>Train not present</p>
|  <p>770 ma</p>
|  <p>1500 ma</p>
|-
|  <p>Train present</p>
|  <p>2580 ma</p>
|  <p>3400 ma</p>
|}
</div>
<p><br></p>
<p>System Component Current</p>
<p><br></p>
<div>
 
{| style="border-collapse: collapse;" border="1px" cellpadding="2px"
|-
|  <p>CPU only</p>
|  <p>460 ma</p>
|  <p>900 ma</p>
|-
|  <p>CPU with 2 RDR & No RF Units</p>
|  <p>660 ma</p>
|  <p>1140 ma</p>
|-  
|  <p>CPU with 2 RDR & RF units off</p>
|  <p>800 ma</p>
|  <p>1500 ma</p>
|-
|  <p>CPU with 2 RDR & RF units on</p>
|  <p>1580 ma</p>
|  <p>3400 ma</p>
|}
</div>
<p><br></p>
 
== APU102PDG ==
<p>2 Internal Readers</p><p><br></p><div>
{| style="border-collapse: collapse;" border="1px" cellpadding="2px"
|-
| <p>Full System</p>
| <p>24VDC</p>
| <p>12VDC(C suffix)</p>
|-
| <p>Train not present</p>
| <p>940 ma</p>
| <p>1820 ma</p>
|-
| <p>Train present</p>
| <p>1900 ma</p>
| <p>3660 ma</p>
|}
</div><p><br></p><p>System Component Current</p><p><br></p><div>
{| style="border-collapse: collapse; height: 112px;" border="1px" cellpadding="2px"  
|- style="height: 28px;"
|- style="height: 28px;"
| style="width: 324.703px;" |   <p>Full System</p>
| style="height: 28px; width: 203.25px;" | <p>CPU only</p>
| style="width: 304.672px;" |   <p>24VDC</p>
| style="height: 28px; width: 56.0469px;" | <p>600 ma</p>
| style="width: 274.625px;" |   <p>12VDC(C suffix)</p>
| style="height: 28px; width: 56.0469px;" | <p>1300 ma</p>
|- style="height: 28px;"
|- style="height: 28px;"
| style="width: 324.703px;" |   <p>Train not present</p>
| style="height: 28px; width: 203.25px;" | <p>CPU with 2 RDR & No RF Units</p>
| style="width: 304.672px;" |   <p>630 ma</p>
| style="height: 28px; width: 56.0469px;" | <p>800 ma</p>
| style="width: 274.625px;" |   <p>1200 ma</p>
| style="height: 28px; width: 56.0469px;" | <p>1500 ma</p>
|- style="height: 28px;"
|- style="height: 28px;"
| style="width: 324.703px;" |   <p>Train present</p>
| style="height: 28px; width: 203.25px;" | <p>CPU with 2 RDR & RF units off</p>
| style="width: 304.672px;" |   <p>1030 ma</p>
| style="height: 28px; width: 56.0469px;" | <p>940 ma</p>
| style="width: 274.625px;" |   <p>2150 ma</p>
| style="height: 28px; width: 56.0469px;" | <p>1820 ma</p>
|- style="height: 28px;"
| style="height: 28px; width: 203.25px;" | <p>CPU with 2 RDR & RF units on</p>
| style="height: 28px; width: 56.0469px;" | <p>1900 ma</p>
| style="height: 28px; width: 56.0469px;" | <p>3660 ma</p>
|}
</div><p><br></p>
= Fuse Requirements (Including Spares) =
<p><br></p><div>
{| style="border-collapse: collapse; height: 112px;" border="1px" cellpadding="2px"
|- style="height: 28px;"
| style="height: 28px; width: 212.094px;" | <p><br></p>
| style="height: 28px; width: 55.2344px;" | <p>24VDC</p>
| style="height: 28px; width: 103.766px;" | <p>12VDC(C suffix)</p>
|- style="height: 28px;"
| style="height: 28px; width: 212.094px;" | <p>CPU</p>
| style="height: 28px; width: 55.2344px;" | <p>AGC 1</p>
| style="height: 28px; width: 103.766px;" | <p>AGC 2</p>
|- style="height: 28px;"
| style="height: 28px; width: 212.094px;" | <p>Reader (either one) Version 1 RF</p>
| style="height: 28px; width: 55.2344px;" | <p>AGC 1.5</p>
| style="height: 28px; width: 103.766px;" | <p>AGC 3</p>
|- style="height: 28px;"
| style="height: 28px; width: 212.094px;" | <p>Reader (either one) Version 2 RF</p>
| style="height: 28px; width: 55.2344px;" | <p>AGC 2.5</p>
| style="height: 28px; width: 103.766px;" | <p>AGC 5</p>
|}
</div><p><br></p>
= Power Board Output Test (Molex Connector) =
<p>1)&nbsp; Make sure that nothing is connected to the main terminal block.</p>
<p>2)&nbsp; Turn the ON/OFF switch to the ON position (to the right).</p>
<p>3)&nbsp; Place the common lead of a multimeter into the ground test point in the upper left corner of the power supply board.</p>
<p>4)&nbsp; Select OHMS on the multimeter.</p>
<p>5)&nbsp; Place the positive lead on pin 2 of the main terminal block. The value should be 0 (zero) to 1 (one) ohm.</p>
<p>6)&nbsp; Now place the positive lead on pin 1 of the main terminal block. The value should be greater than 200 ohms.</p>
<p>7)&nbsp; Disconnect the Molex connector that runs between the card cage and the power supply board.</p>
<p>8)&nbsp; Verify that the power to the reader board is disconnected.</p>
<p>9)&nbsp; Turn the ON/OFF switch to the OFF position (to the left).</p>
<p>10)&nbsp; Install the test block with +24RDC into the main terminal block. Pin 1 is +24VDC and pin 2 is ground.</p>
<p>NOTE: Procedures for +12VDC units are the same except for the input voltage.</p>
<p>11)&nbsp; Turn the ON/OFF switch to the ON position (to the right).</p>
<p>12)&nbsp; Select DC volts on the multimeter with a range that will measure +24VDC.</p>
<p>13)&nbsp; Verify that LEDs CR1, CR2, and CR3 on the power supply board are ON.</p>
<p>14)&nbsp; Verify that DC voltage is as follows:</p>
<p><br></p>
 
{| style="border-collapse: collapse; height: 112px;" border="1px" cellpadding="2px"
|- style="height: 28px;"
| style="height: 28px; width: 26.4219px;" |  <p>TP1</p>
| style="height: 28px; width: 8.42188px;" |  <p>=</p>
| style="height: 28px; width: 74.8594px;" |  <p>+5VDC</p>
|- style="height: 28px;"
| style="height: 28px; width: 26.4219px;" |  <p>TP2</p>
| style="height: 28px; width: 8.42188px;" |  <p>=</p>
| style="height: 28px; width: 74.8594px;" |  <p>–12VDC</p>
|- style="height: 28px;"
| style="height: 28px; width: 26.4219px;" |  <p>TP3</p>
| style="height: 28px; width: 8.42188px;" |  <p>=</p>
| style="height: 28px; width: 74.8594px;" |  <p>+12VDC</p>
|- style="height: 28px;"
| style="height: 28px; width: 26.4219px;" |  <p>TP4</p>
| style="height: 28px; width: 8.42188px;" |  <p>=</p>
| style="height: 28px; width: 74.8594px;" |  <p>+12.75VDC</p>
|}
 
<p><br></p>
<p>15)&nbsp; Place the common lead of a multimeter into the ground test point in the upper left corner of the power supply board.</p>
<p>16)&nbsp; Use the positive lead to verify the following voltages at the Molex connector coming from the power supply board.</p>
<p><br></p>
<div>
 
{|
|-
|  <p><br></p>
<p>Figure 3.1: Molex connector pinout</p>
|  <p><br></p>
 
{| style="border-collapse: collapse; height: 280px;" border="1px" cellpadding="2px"
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>Pin Number</p>
| style="height: 28px; width: 68.0156px;" | <p>Wire Color</p>
| style="height: 28px; width: 54.8438px;" | <p>Voltage</p>
| style="height: 28px; width: 116.859px;" | <p>Power Destination</p>
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>1</p>
| style="height: 28px; width: 68.0156px;" | <p>BROWN</p>
| style="height: 28px; width: 54.8438px;" | <p>+5VDC</p>
| style="height: 28px; width: 116.859px;" | <p>CPU</p>
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>2</p>
| style="height: 28px; width: 68.0156px;" | <p>RED</p>
| style="height: 28px; width: 54.8438px;" | <p>Ø</p>
| style="height: 28px; width: 116.859px;" | <p>GROUND</p>
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>3</p>
| style="height: 28px; width: 68.0156px;" | <p>ORANGE</p>
| style="height: 28px; width: 54.8438px;" | <p>Ø</p>
| style="height: 28px; width: 116.859px;" | <p>NOT USED</p>
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>4</p>
| style="height: 28px; width: 68.0156px;" | <p>YELLOW</p>
| style="height: 28px; width: 54.8438px;" | <p>–12VDC</p>
| style="height: 28px; width: 116.859px;" | <p>CPU</p>
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>5</p>
| style="height: 28px; width: 68.0156px;" | <p>GREEN</p>
| style="height: 28px; width: 54.8438px;" | <p>Ø</p>
| style="height: 28px; width: 116.859px;" | <p>GROUND</p>
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>6</p>
| style="height: 28px; width: 68.0156px;" | <p>BLUE</p>
| style="height: 28px; width: 54.8438px;" | <p>Ø</p>
| style="height: 28px; width: 116.859px;" | <p>NOT USED</p>
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>7</p>
| style="height: 28px; width: 68.0156px;" | <p>PURPLE</p>
| style="height: 28px; width: 54.8438px;" | <p>+12VDC</p>
| style="height: 28px; width: 116.859px;" | <p>CPU</p>
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>8</p>
| style="height: 28px; width: 68.0156px;" | <p>GRAY</p>
| style="height: 28px; width: 54.8438px;" | <p>Ø</p>
| style="height: 28px; width: 116.859px;" | <p>GROUND</p>
|- style="height: 28px;"
| style="height: 28px; width: 76.0312px;" | <p>9</p>
| style="height: 28px; width: 68.0156px;" | <p>WHITE</p>
| style="height: 28px; width: 54.8438px;" | <p>Ø</p>
| style="height: 28px; width: 116.859px;" | <p>RESET</p>
|}<p><br></p>
|}
|}
</div>
</div>
<p><br></p>
<p><br></p>

Latest revision as of 22:03, 22 December 2025

Power Requirements for APU-102 Systems

APU-102EG

1 Internal Reader


Full System

24VDC

12VDC(C suffix)

Train not present

630 ma

1200 ma

Train present

1030 ma

2150 ma


System Component Current


CPU only

460 ma

900 ma

CPU with RDR & No RF unit

560 ma

1020 ma

CPU with RDR & RF unit off

630 ma

1200 ma

CPU with RDR & RF unit on

1030 ma

2150 ma


APU102PG

1 Internal Reader


Full System

24VDC

12VDC(C suffix)

Train not present

770 ma

1560 ma

Train present

1030 ma

2480 ma


System Component Current


CPU only

600 ma

1300 ma

CPU with RDR & No RF unit

700 ma

1400 ma

CPU with RDR & RF unit off

770 ma

1560 ma

CPU with RDR & RF unit on

1250 ma

2480 ma

APU-102EDG

2 Internal Readers


Full System

24VDC

12VDC(C suffix)

Train not present

770 ma

1500 ma

Train present

2580 ma

3400 ma


System Component Current


CPU only

460 ma

900 ma

CPU with 2 RDR & No RF Units

660 ma

1140 ma

CPU with 2 RDR & RF units off

800 ma

1500 ma

CPU with 2 RDR & RF units on

1580 ma

3400 ma


APU102PDG

2 Internal Readers


Full System

24VDC

12VDC(C suffix)

Train not present

940 ma

1820 ma

Train present

1900 ma

3660 ma


System Component Current


CPU only

600 ma

1300 ma

CPU with 2 RDR & No RF Units

800 ma

1500 ma

CPU with 2 RDR & RF units off

940 ma

1820 ma

CPU with 2 RDR & RF units on

1900 ma

3660 ma


Fuse Requirements (Including Spares)

24VDC

12VDC(C suffix)

CPU

AGC 1

AGC 2

Reader (either one) Version 1 RF

AGC 1.5

AGC 3

Reader (either one) Version 2 RF

AGC 2.5

AGC 5


Power Board Output Test (Molex Connector)

1)  Make sure that nothing is connected to the main terminal block.

2)  Turn the ON/OFF switch to the ON position (to the right).

3)  Place the common lead of a multimeter into the ground test point in the upper left corner of the power supply board.

4)  Select OHMS on the multimeter.

5)  Place the positive lead on pin 2 of the main terminal block. The value should be 0 (zero) to 1 (one) ohm.

6)  Now place the positive lead on pin 1 of the main terminal block. The value should be greater than 200 ohms.

7)  Disconnect the Molex connector that runs between the card cage and the power supply board.

8)  Verify that the power to the reader board is disconnected.

9)  Turn the ON/OFF switch to the OFF position (to the left).

10)  Install the test block with +24RDC into the main terminal block. Pin 1 is +24VDC and pin 2 is ground.

NOTE: Procedures for +12VDC units are the same except for the input voltage.

11)  Turn the ON/OFF switch to the ON position (to the right).

12)  Select DC volts on the multimeter with a range that will measure +24VDC.

13)  Verify that LEDs CR1, CR2, and CR3 on the power supply board are ON.

14)  Verify that DC voltage is as follows:


TP1

=

+5VDC

TP2

=

–12VDC

TP3

=

+12VDC

TP4

=

+12.75VDC


15)  Place the common lead of a multimeter into the ground test point in the upper left corner of the power supply board.

16)  Use the positive lead to verify the following voltages at the Molex connector coming from the power supply board.



Figure 3.1: Molex connector pinout


Pin Number

Wire Color

Voltage

Power Destination

1

BROWN

+5VDC

CPU

2

RED

Ø

GROUND

3

ORANGE

Ø

NOT USED

4

YELLOW

–12VDC

CPU

5

GREEN

Ø

GROUND

6

BLUE

Ø

NOT USED

7

PURPLE

+12VDC

CPU

8

GRAY

Ø

GROUND

9

WHITE

Ø

RESET




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