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Communication protocol 3000 – Kramer Electronics SV-552ALC User Manual

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KRAMER: SIMPLE CREATIVE TECHNOLOGY

Communication Protocol 3000

14

Result codes (errors)

Syntax

No error. Command running succeeded

~DEV_ID@COMMAND PARAMETERS OKCRLF

Protocol Errors
Syntax Error (For example: Not enough parameters)

~DEV_ID@COMMAND ERR001CRLF

Command not available for this device

~DEV_ID@ ERR002CRLF

Parameter is out of range

~DEV_ID@COMMAND ERR003CRLF

Unauthorized access (running command without the matching login).

~DEV_ID@COMMAND ERR004CRLF


Security commands

Command

Syntax

Response

Read Security flag

SECUR?

SECUR ON/OFF

Login

LOGIN AUTH PASSWORD

LOGIN AUTH RESULT

Get Login

LOGIN?

LOGIN AUTH

Logout

LOGOUT

LOGOUT RESULT

AUTH = USER \ ADMIN.

ON/OFF = "0" or "OFF"

"1" or "ON"

Login flow:

(Password and SECUR mode can be set from K-Config program).

1.

Send SECUR? Command

2.

If answer is SECUR OFF – no login needed.

3.

If answer is SECUR ON – continue to login (step 4)

4.

Send LOGIN USER, PASSWORD

5.

Device will start to work normally.

6.

If communication is not active for more than 5 minutes – UDP socket will be closed and device will logout automatically so you will

need to LOGIN again.

7.

To eliminate automatic logout – you can send any command (for example Handshake) from time to time.

8.

On program exit send LOGOUT (If not – device will automatically logout after timeout).

Password sessions:

Login with user or admin password will open a match session, so it is possible to continue entering commands without re-login until connection will

terminate.

For Ethernet connection, sessions will be opened while socket connection is live.

For Serial or USB connection, session will live until time-out will reach.


* To reset admin password you need to factory reset all the device data.

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