Chapter 5 Parameters|VFD-B Series

Character ‘8’

‘9’

‘A’

‘B’

‘C’

‘D’

‘E’

‘F’

ASCII code 38H 39H 41H 42H 43H 44H 45H 46H

RTU mode:

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

Hex.

2. Data Format

For ASCII mode:

( 7.N.2)

Start

bit

0

( 7.E.1)

Start

bit

0

( 7.O.1)

Start

bit

0

12 3 45

7-bit character

10-bit character frame

12 3 45

7-bit character

10-bit character frame

12 345

7-bit character

10-bit character frame

6

Stop Stop

bit bit

6 Even Stop

parity bit

6

Odd Stop

parity bit

For RTU mode:

( 8.N.2 )

Start

bit

0

1

2

3

4

5

6

7

Stop Stop

bit bit

8-bit character

11-bit character frame

( 8.E.1 )

Start

bit

0

1

2

3

4

5

6

7

Even Stop

parity bit

8-bit character

11-bit character frame

( 8.O.1 )

Start

bit

0

1

2

3

4

5

6

7

Odd Stop

parity bit

8-bit character

11-bit character frame

3. Communication Protocol

5-84

Revision July 2008, BE16, SW V4.08 & V5.00