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12.1.1 Connecting and Using a Terminal
An RS-232 connection can be used to connect the STS2 to either a terminal or a PC running termi-
nal emulation software. If you are unsure of the cable pin out, see 15.2.10 - Terminal Port
Connections on page 111.
1. Connect the terminal to the STS2 by plugging the cable from the terminal into the RS-232 port.
This connection can be made at any time.
2. After making the connection, verify the communications link by pressing <ENTER> on the
terminal keyboard.
The interface communications system responds as indicated below:
Repeating command -->
Illegal command!
<?> or <HELP?> displays the RS-232 command set
<?> <command> or <HELP?> <command> displays specific help for the command
SVTP-Control >
The SVTP-Control > prompt indicates that RS-232 communications are established.
• If you receive no response or prompt, verify that the connector is properly plugged into the
port and the PC or terminal serial interface is working properly.
3. Enter the desired commands, as listed in Table 10.
For additional help type <?> <command> or <HELP?> <command>
Refer to the corresponding menu options in the 13.0 - STS2 Touch Screen Display for more
details about the commands.
Some terminal commands require a password to function. Use the PWD command and a valid pass-
word to gain access.
Table 10
Terminal Commands
Keys
?
AA?
AF?
CEL
CHL
DATE?
DATE
EL?
HELP?
HLn?
LOGOUT
PS?
PS n
PWD
QUIT
SH
SPT?
SPTx
SR?
TIME?
Displays this help menu or specific help with a command
Displays active alarms
Displays active faults
Clears the event log
Clears the history logs
Displays current system date
Sets system date
Displays the entire event log
Displays this help menu or specific help with a command
Displays the history log #n, if frozen
Logs user out of unprotected mode
Displays the preferred source
Sets the preferred source to #n
Allows users to access protected commands
Modem only. Ends the session and hangs up the modem.
Silences the horn
Displays all current setpoints
Displays current setpoints for group x. See 12.1.2 - Configuring the STS2 via the
Terminal for a description of groups.
Displays status reports
Displays current system time
Function
Communication Interfaces
71
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