1. Communication Parameters

Communication method

RS-232C

Synchronous method

Asynchronous

 

 

Baud rate

9600bps

 

 

Character length

8bit

 

 

Parity

None

 

 

Start bit length

1bit

 

 

Stop bit length

1bit

 

 

Flow control

None

 

 

2. Pin Assignment

Monitor side (D-sub 9-pin)

Host side (D-sub 9-pin)

5

4

3

2

1

5

4

3

2

1

 

9

8

7

6

 

9

8

7

6

_ External view _

_ External view _

Pin No.

Function

Pin No.

Function

 

1

 

 

NC

 

1

 

 

NC

 

2

 

 

TXD

 

2

 

 

RXD

 

3

 

RXD

 

3

 

 

TXD

 

4

 

 

NC

 

4

 

 

NC

 

5

 

GND

 

5

 

GND

 

6

 

 

NC

 

6

 

 

NC

 

7

 

 

NC

 

7

 

 

NC

 

8

 

 

NC

 

8

 

 

NC

 

9

 

 

NC

 

9

 

 

NC

3. Communication Data Format

(a) Control message

No.

Item

Value

1

Header

0x8C: Control

 

 

 

2

Category

0xXX

 

 

 

3

Function

0xXX

 

 

 

4

Data1 (Length)

0xXX

 

 

 

5

Data2 (Data1)

0xXX

 

 

 

:

:

0xXX

 

 

 

:

:

0xXX

 

 

 

X

DataX

0xXX

 

 

 

X+1

Check Sum

0xXX

 

 

 

*Check Sum: Sum total of 1 to X. Lower one-byte data is validated when a value exceeds 255 (1byte).

*Set the command interval to 500 ms or more when transmitting the Control command continuously.

*Set the command interval to 500 ms or more when transmitting the same command (Enquiry) after the Control command.

(b) Enquiry message

No.

Item

Value

1

Header

0x83: Enquiry

 

 

 

2

Category

0xXX

 

 

 

3

Function

0xXX

 

 

 

4

Data1

0xFF

 

 

 

5

Data2

0xFF

 

 

 

6

Check Sum

0xXX

 

 

 

*Check Sum: Sum total of 1 to X. Lower one-byte data is validated when a value exceeds 255 (1byte).

FWD-50PX3

1

Page 3
Image 3
Sony FWD-50PX3 manual Communication Parameters, Pin Assignment, Communication Data Format, Control message, Enquiry message