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Delta Electronics AC Motor Drive VFD-G User Manual

Page 123

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Chapter 4 Parameters|

4-72

Revision July 2008, EG03, SW V1.06

Character ‘0’ ‘1’ ‘2’ ‘3’ ‘4’ ‘5’ ‘6’ ‘7’

ASCII Code

30H

31H

32H

33H 34H 35H 36H 37H

Character ‘8’ ‘9’ ‘A’ ‘B’ ‘C’ ‘D’ ‘E’ ‘F’

ASCII Code

38H

39H

41H

42H 43H 44H 45H 46H

RTU mode:

Each 8-bit is the combination of two 4-bit hexadecimal characters. For example, 64 Hex.

2. Data

format

2.1 10-bit character frame (for 7-bit):

™

(7, N, 2: 9-04=0, 9-05=0)

0

1

2

3

4

5

6

Start

bit

Stop

bit

Stop

bit

7-bit character

10-bit character frame

™

(7, E, 1: 9-04=0, 9-05=04)

0

1

2

3

4

5

6

Start

bit

Even

parity

Stop

bit

7-bit character

10-bit character frame

™

(7, O, 1: 9-04=0, 9-05=05)

0

1

2

3

4

5

6

Start

bit

Odd

parity

Stop

bit

7-bit character

10-bit character frame

2.2 11-bit character frame (for 8-bit):

™

(8, N, 2: 9-04=1 or 2, 9-05=00)

0

1

2

3

4

5

6

7

Start

bit

Stop

bit

Stop

bit

8-bit character

11-bit character frame