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Dukane Data Video 8107HWI User Manual

Page 88

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86

Command Format

Command formats differ among the different communication ports.
● TCP #23

You can use the RS-232C commands without any changes. The reply
data format is the same as the RS-232C commands. (

“RS-232C

Communication” in the User’s Manual – Operating Guide (Technical))
However, the following reply will be sent back in the event of authentication
failure when authentication is enabled.

Header

Data length

RS-232Ccommand

Check Sum

Connection

ID

0x02

0x0D

13 bytes

1 byte

1 byte

Reply

Error code

0x1F

0x04

0x00

Header →

0x02,

Fixed

Data length

→ RS-232C commands byte length (0x0D, Fixed)

RS-232C command → RS-232C commands that start with 0xBE 0xEF

(13 bytes)

Check Sum

→ This is the value to make zero on the addition of the

lower 8 bits from the header to the checksum.

Connection ID

→ Random value from 0 to 255 (This value is attached

to the reply data)

● TCP #9715

Send Data format
The following formatting is added to the header (0 x 02), Data length (0 x 0D),
Checksum (1 byte) and Connection ID (1 byte) of the RS-232C commands.

7. Other Functions

7.4 Command Control via the Network (Continued)