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Fluke 2635A, 2625A service manual Power Supply PIN Numbers DES

Models: 2635A 2625A

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Schematic Diagrams 8

NOTES: UNLESS OTHERWISE SPECIFIED

1.ALL RESISTORS ARE 1/4W 5%.

ALL CAPACITOR VALUES ARE IN MICROFARADS.

REF

POWER

SUPPLY

PIN

NUMBERS

 

 

 

 

 

 

DES

 

 

 

 

 

 

VCC

G ND

VEE

VDDR

C O M

DO _ GND

 

 

 

 

 

 

 

 

A01AR1

8

4

-

-

-

-

 

 

 

 

 

 

 

A01AR2

4

11

-

-

-

-

 

 

 

 

 

 

 

A01AR3

4

11

-

-

-

-

REFERENCE DESIGNATIONS

INTERCONNECT DIAGRAM

A01U1

8

5

-

-

-

-

 

 

 

 

 

 

 

A01U2

14,16

1,2,5,7,26

-

-

-

-

 

 

 

 

 

 

 

A01U3

26,28

14

-

-

-

-

 

 

 

 

 

 

 

A01U4

5,36

2,6,45

-

-

-

-

 

 

 

 

 

 

 

A01U5

5

-

-

1

-

-

 

 

 

 

 

 

 

A01U7

-

-

-

-

4

-

 

 

 

 

 

 

 

A01U8

28

14,22

-

-

-

-

 

 

 

 

 

 

 

A01U9

3

-

-

-

-

-

 

 

 

 

 

 

 

A01U10

14

7

-

-

-

-

 

 

 

 

 

 

 

A01U11

16

5,8

-

-

-

-

 

 

 

 

 

 

 

A01U12

14

7

-

-

-

-

 

 

 

 

 

 

 

A01U13

20

10

-

-

-

-

 

 

 

 

 

 

 

A01U14

4,9,10,14

7

-

-

-

-

 

 

 

 

 

 

 

A01U15

14

7

-

-

-

-

 

 

 

 

 

 

 

A01U16

20

10

-

-

-

-

 

 

 

 

 

 

 

A01U17

-

-

-

-

-

8

 

 

 

 

 

 

 

A01U20

16

8

-

-

-

-

 

 

 

 

 

 

 

A01U21

13,14

7

-

-

-

-

 

 

 

 

 

 

 

A01U22

-

7,11,12

-

-

-

-

 

 

 

 

 

 

 

A01U23

-

7,11,13

-

-

-

-

 

 

 

 

 

 

 

A01U24

-

4,5,6

-

-

-

-

 

 

 

 

 

 

 

A01U25

1,16

2,6,9,14

8

-

-

-

 

 

 

 

 

 

 

A01U26

20

10

-

-

-

-

 

 

 

 

 

 

 

A01U27

-

-

-

-

-

8

 

 

 

 

 

 

 

A01U28

14

7

-

-

-

-

 

 

 

 

 

 

 

A01U29

16

8,15

-

-

-

-

 

 

 

 

 

 

 

A01U31

5

2,3,4

-

-

-

-

 

 

 

 

 

 

 

A01Z2

16

-

-

-

-

-

 

LAST

USED

NOT USED

 

 

 

 

 

 

AR

 

AR3

 

 

 

 

 

 

 

C

 

C 5 9

 

 

 

 

 

 

 

C R

 

CR19

 

 

 

 

 

 

 

J

 

J6

 

 

 

 

 

 

 

L

 

L2

 

 

P

 

P10

P1 - P9

 

 

 

 

 

 

Q

 

Q 9

 

 

 

 

 

 

 

R

 

R 6 4

R17-18,23-24,27,29,32-33

 

 

 

 

 

 

RT

 

RT1

 

 

 

 

 

 

 

RV

 

RV1

 

 

 

 

 

 

 

S

 

S1

 

 

 

 

 

 

 

T

 

T2

 

 

 

 

 

 

 

TP

 

TP32

TP21-29

 

 

 

 

 

 

U

 

U31

U 3 0

 

 

 

 

 

 

VR

 

VR4

 

 

 

 

 

 

 

W

 

W 1

 

 

Y

 

Y1

 

 

 

 

 

 

 

Z

 

Z3

 

 

 

 

 

 

SHEET 2

D CH

DCL

VCC

G ND

VEE

VLOAD

FIL1

FIL2

-PFAIL

VDDR

VDD

C O M

VSS

SHLD

SHEET 3

SHEET 4

D CH

DCL

VCC

G ND

TRIG

TOTALIZE

A<15..0>

D<7..0>

-R D

-W R

-DIO

-RESET

E

2620A-1001

(1 of 4)

s71f.eps

Figure 8-1. A1 Main PCA (2620A/2625A) (cont)

8-4

Page 285 Page 287
Page 286
Image 286
Fluke 2635A, 2625A service manual Power Supply PIN Numbers DES
Page 285 Page 287

2635A, 2625A specifications

The Fluke 2625A is a sophisticated data logger designed for a wide range of industrial and laboratory applications. This versatile instrument excels in capturing and monitoring temperature and voltage measurements with precision and reliability. One of its standout features is its ability to record data from various sensors, making it ideal for environments where comprehensive data acquisition is critical.

Equipped with a large LCD display, the Fluke 2625A provides clear and user-friendly access to real-time measurement data. Its graphical interface allows users to visualize trends and monitor readings easily, which significantly enhances usability. The device supports a variety of input types and can connect to thermocouples, RTDs, and other sensors, offering great flexibility for various measurement tasks.

The Fluke 2625A employs advanced measurement technologies that ensure accuracy in data logging. With a high sampling rate, it captures fast-changing signals while maintaining data integrity. The device features a built-in memory that allows for extensive logging, accommodating long-term monitoring tasks without requiring constant oversight. Users can set it to log data at specified intervals, offering customizable solutions for different monitoring needs.

Another significant characteristic of the Fluke 2625A is its robust communication capabilities. The device supports USB and RS-232 interfaces for easy connectivity with computers and other devices, making data transfer and analysis seamless. This feature is especially beneficial for users who need to compile or analyze large sets of data quickly.

Furthermore, the Fluke 2625A is designed with durability in mind. Its rugged construction makes it suitable for challenging environments, including those with high levels of vibration, dust, or moisture. This reliability ensures that the device can withstand the rigors of fieldwork while still delivering accurate measurements.

In summary, the Fluke 2625A is a powerful data logger that combines versatility, accuracy, and reliability. Its user-friendly interface, advanced measurement technologies, and robust design make it an essential tool for professionals in various industries, from manufacturing and HVAC to research and development. Whether monitoring temperature changes in a laboratory or assessing voltage levels in an industrial setting, the Fluke 2625A stands out as a trusted solution for effective data logging and analysis.