Teledyne GFC7001T User Manual download pdf (Page 191)

Remote OperationTeledyne API – Model T300/T300M CO Analyzer

Teledyne Analytical Instruments 191

8.4. PASSWORD SECURITY FOR SERIAL REMOTE

COMMUNICATIONS

In order to provide security for remote access of the GFC7001T/GFC7001TM, a

LOGON feature can be enabled to require a password before the instrument will accept

commands. This is done by turning on the SECURITY MODE (Mode 4, Table 6-1).

Once the SECURITY MODE is enabled, the following items apply.

 A password is required before the port will respond or pass on commands.

 If the port is inactive for one hour, it will automatically logoff, which can also be

achieved with the LOGOFF command.

 Three unsuccessful attempts to log on with an incorrect password will cause

subsequent logins to be disabled for 1 hour, even if the correct password is used.

 If not logged on, the only active command is the '?' request for the help screen.

 The following messages will be returned at logon:

 LOGON SUCCESSFUL - Correct password given

 LOGON FAILED - Password not given or incorrect

 LOGOFF SUCCESSFUL - Connection terminated successfully

To log on to the GFC7001T/GFC7001TM Analyzer with SECURITY MODE feature

enabled, type:

LOGON 940331

940331 is the default password. To change the default password, use the variable RS-

232_PASS issued as follows:

V RS-232_PASS=NNNNNN

Where N is any numeral between 0 and 9.

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Teledyne GFC7001T User Manual Page 191