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FEC MICRO NR User Manual

Page 30

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Chapter 3: System Description

Page 3-6

3.3.2 RS232C Communication Protocol

Communication protocol from the RS232C port is as follows;

Speed:

38400bps

Parity:

NONE

Data Bits:

8 Bit

Stop Bit:

2 Bit

3.3.3 Front Display RS232C Communication Format

The data output from the RS232C port is a formatted ASCII output. This can be connected to a
serial printer, computer or other peripheral device. 78 bytes of data is output per fastening. The
data format is described in the table below.

Byte

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Desc.

Cycle Count

Spindle

Number

Parameter

Number

PK

TQ

ASCII

Hex

30H

30H

30H

31H

20H

20H

30H

31H

20H

20H

20H

20H

31H

20H

20H

20H

Data

0

0

0

1

0

1

1

0

Byte

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

Desc.

Peak Torque (PK TQ)

Judge

Final Angle

Judge

Final Torque (FN TQ)

ASCII

Hex

2EH

32H

33H

34H

4CH

20H

20H

31H

32H

33H

4CH

20H

20H

2EH

32H

33H

Data

.

2

3

4

L

1

2

3

L

0

.

2

3

Byte

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

Desc.

FN

TQ

Judge

ASCII

Hex

34H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

20H

Data

4

Byte

49 50

51

52

53

54

55

56

57

58

59

60

61

62

63

Desc.

1st Time

Judge

ASCII

Hex

20H

20H

20H

20H

20H

20H

20H

20H

20H

31H

30H

2EH

30H

4CH

20H

Data

1

0

.

0

L

Byte

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

Desc.

2nd Time

Judge

Judge

CR

LF

ASCII

Hex

20H

20H

32H

2EH

30H

20H

20H

20H

20H

58H

20H

20H

20H

0DH

0AH

Data

2

.

0

X

Note: “H” shown in chart above = HEX (Ex. 20H)

Judge: High = “H” Low = “L”

Total Judgment “O”: 4FH ACCEPT

“X”: 58H REJECT

“A”: 41H ABNORMAL

“S”: 53H STOP (RESET)