Appendix 3: RS-485 Command Set

The texts of Data 0, 1 is in ASCII code format (Normal Command)

Command

 

OP_code

Data 0,1

Note

Channel select

 

 

“01” ~ ”0G”

Channel 1~16

Screen mode select

Right

 

“MR”

Detail setting must

Left

 

“ML”

reference User’s manual

 

 

Sequence

 

 

“S1” ~ ”S3”

Sequence 1~3

Up key

 

 

“DU”

 

Down key

 

 

“DD”

 

Left key

 

 

“DL”

 

Right key

 

 

“DR”

 

Zoom/Enter

 

 

“DZ”

 

Play key

 

 

“KV”

 

Freeze/Pause

 

A0H

“KA”

 

Set

 

“KS”

 

 

 

 

ESC

 

 

“KE”

 

List

 

 

“KL”

 

Date/Time

 

 

“SD”

 

Title

 

 

“ST”

 

Menu

 

 

“SP”

 

Key Lock

 

 

“SK”

Lock/ Un_Locked

Goto

 

 

“SR”

 

Fast Rewind

 

 

“RW”

x1,x2,x4,x8

Fast Forward

 

 

“FF”

x1,x2,x4,x8

Universal End

 

 

“UE”

 

Goto Time1

 

BDH

Data1, Data0

Year & Month

Goto Time2

 

BEH

Data1, Data0

Day & Hour

Goto Time3

 

BFH

Data1, Data0

Minute & “G”

PS: Goto Time1: Year=00~99 (it means 2000~2099); Month=01~12

Goto Time2: Day=01~31; Hour=00~23

Goto Time3: Minute=00~59; “G” ASCII=47H

Example:

If the Keyboard ID is 00H, the DVR-16/IP ID is E0H.

If you want to select camera 0 on the main monitor, you can use ‘01’ command. (The ASCII Code of ‘01’ is 30H & 31H.)

Byte 1

Byte 2

Byte 3

Byte 4

Byte 5

Byte 6

Receiver ID

Transmitter

OP Code

Data0

Data1

Checksum

ID

 

 

 

 

 

E0H

00H

A0H

30H

31H

41H

NOTE:

1.The time interval between byte and byte must be shorter than 2ms, and the time interval between 2 commands (6 bytes/command) must be longer than 2ms.

2.Checksum = Byte1 .xor. Byte2 .xor. Byte3 .xor. Byte4 .xor. Byte5

42

Page 43
Image 43
Speco Technologies DVR-16/IP user manual Appendix 3 RS-485 Command Set, Example