HYDRA

Service Manual

 

 

 

 

 

 

 

 

 

 

 

A3TP2

 

 

 

 

 

 

 

 

 

 

 

 

 

A3TP8

 

 

 

 

 

 

A3TP3

 

 

 

 

 

 

 

 

 

 

 

A3TP7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A3TP4

 

 

 

 

 

 

 

 

 

A3TP1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RMS Converter

 

 

 

 

 

 

 

 

 

 

 

A3TP5

 

 

 

 

 

A/D Microcontroller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Network

 

A3TP13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A3TP6

 

A3TP10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A3TP11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RMS Converter

A3TP12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A3TP9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC Buffer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Analog

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Measurement

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Zener Reference

Processor

 

 

 

 

Intergrate Resistors, Reference Divider

AC Divider

Divider

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Network

Network

 

 

 

RESET

 

 

 

 

 

 

 

ZERO

 

 

 

 

 

 

 

 

 

 

 

(DC/OHMS)

 

VDD

 

VDD

VDD

 

 

 

 

 

K3S

K3R

K7S

K7R

K14S

K14R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9 8 7 6 5 4 3 2 1 68 67 66 65 64 63 62 61

 

 

 

 

 

 

DRX 10

P20

NMI*

STBY*

RES*

MP1

MP0

EXTAL

XTAL

VSS

NC

E

P70

P71

P72

P73

P74

P30 P31

P32

60

K13S

 

 

 

DTX 11

P21

P33

59

K13R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLK 12

P22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P34

58

K6S

 

 

 

IGRX 13

P23/RX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P35

57

K6R

 

 

 

IGTX 14

P24/TX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P36

56

K5S

 

A3U9

 

AR 15

P25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P37

55

K5R

 

 

OTCCLK 16

P26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC

54

 

 

MICROCONTROLLER

AS 17

P27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P10

53

K12S

RELAY

 

 

18

NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P11

52

K12R

DRIVERS

 

 

IRQ1* 19

P50/IRQ1*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P12

51

K1S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FC7 20

P51/IRQ2*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P13

50

K1R

 

 

 

CS 21

P52

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P14

49

K2S

 

 

 

RIRQ1* 22

P53

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P15

48

K2R

 

 

 

FC0 23

P54

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P16

47

K11S

 

 

 

FC1 24

P55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P17

46

K11R

 

 

 

FC2 25

P56

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VSS

45

 

 

 

 

FC3 26

P57

P60

P61

P62

P63

P64

P65

P66 P67 NC VCC P47

P46

P45

P44

P43

P42

P41

P40

44

K10S

 

 

 

 

 

 

 

 

 

 

 

 

 

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

 

 

 

 

 

 

 

 

K16R

K16S

K17R

K17S

K15R

K15S

 

 

 

 

OTCEN

OTC

K8R

K8S

K9R

K9S

K10R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

s36c.eps

 

Figure 5-5. Test Points, A/D Converter PCA (A3, A3U9)

 

5-16

Page 185 Page 187
Page 186
Image 186
Fluke 2635A, 2625A service manual A3U9, Microcontroller
Page 185 Page 187

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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