Schematic Diagrams 8

A<23..1>

RDU*

O C L KR87

I/F

J2

 

 

15

 

S W R 1

 

 

 

16

 

S W R 2

KEYBOARD

20

 

S W R 6

19

 

S W R 5

 

 

 

17

 

S W R 3

 

18

 

S W R 4

 

5 3

4

6

3 0

XTI

VCC

47

PGA*

8

9

10

11

12

13

14

15

SCLK R107

33

VCC

XRDY

RESET*

D<15..0>

KINT*

CONTROL

 

22 21 11 10 97 96 95 90 86 85 84 75 74 73 72 71 70

 

P A D 5 P A D 6 PAD15 PAD16 P A D 2 5 P A D 2 6

P A D 2 7

PAD31 P A D 3 5 P A D 3 6 P A D 3 7

P A D 4 2 P A D 4 3

P A D 4 4

P A D 4 5 P A D 4 6

P A D 4 7

88

CS0-IO

 

 

 

 

 

 

93

CS1-IO

 

 

 

 

 

 

100

D0

-DIN-IO

 

 

 

 

 

 

98

D1-IO

 

 

 

 

 

 

94

D2

-IO

 

 

 

 

 

 

92

D3

-IO

 

 

 

 

 

 

89

D4

-IO

 

 

 

 

 

 

87

D5-IO

 

X C 3 0 3 0 - 7 0 P Q 1 0 0 C

83

D6

-IO

 

 

 

 

 

 

81

D7

-IO

 

 

 

 

 

 

30

TCLKIN-IO

 

 

U 2 5

 

 

 

82

XTL1-BCLKIN-IO

 

 

 

 

76

XTL2-IO

 

 

 

 

 

 

2

CCLK

 

 

 

 

 

 

54

M0-RTRIG

 

 

 

 

 

 

52

M 1 - R D A T A

 

 

 

 

 

 

56

M 2 - I O

 

 

 

 

 

 

99

RDY/BUSY-RCLK-IO

 

 

 

 

78

RESET

 

 

 

 

 

 

29

P W R D W N

 

 

 

 

 

 

 

P A D 5 4 P A D 5 5 P A D 5 6 P A D 5 8 PAD61 P A D 6 2

P A D 6 3

P A D 6 4 P A D 6 5 P A D 6 6 P A D 6 7

P A D 6 8 P A D 6 9

P A D 7 0

PAD71 P A D 7 2

P A D 7 3

 

62 61 60 58 51 50 49 48 47 46 45 44 43 42 40 39 38

 

 

7

 

6

5

4

3

 

 

 

7 6

5

4

 

3

2

 

2 1

 

 

 

 

 

 

69

68 67 64 63

P A D 4 8 P A D 4 9 P A D 5 0 P A D 5 2 P A D 5 3

 

A 0 - W S - I O

 

A1-CS2-IO

 

A2

-IO

 

A3

-IO

 

A4

-IO

 

A5

-IO

 

A6

-IO

 

A7

-IO

 

A8

-IO

 

A9

-IO

 

A10

-IO

 

A11-IO

 

A12

-IO

 

A13

-IO

 

A14

-IO

 

A15

-IO

 

INIT-IO

 

HDC-IO

 

LDC-IO

 

DOUT-IO

 

D O N E - P G

P A D 7 4 P A D 7 5 P A D 7 6 P A D 7 7 P A D 7 8 P A D 7 9

37 36 35 34 33 32

2

1

 

 

1 0

VCC

R42 R70 R64

10K 10K 10K

VCC

5

6

8

9

13

15

18

20

24

26

25

23

19

R85

 

17

47

14

 

12

 

65

57

59

80

0

U 25

U 25

U25

U 25

C60

C19

C76

C75

.1

.1

.1

.1

W R U *

TOTO

XTINT*

DCLK

TOTI*

XINIT*

XD/P*

DI<7..0>

DO<7..0>

AO<3..0>

25V

25V

25V

25V

2635A-1001

(4 of 5)

s78f.eps

Figure 8-2. A1 Main PCA (2635A) (cont)

8-12

Page 293 Page 295
Page 294
Image 294
Fluke 2635A, 2625A service manual Control
Page 293 Page 295

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.
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