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CARETAKER PLUS INSTALLATION AND OPERATIONS MANUAL
15
Parallel Enable Logic Command
This command allows the Caretaker Plus to recognize when a computer that is
connected to a parallel port on the Caretaker Plus is turned off so that the Caretaker
Plus will not accept data from the PC. The factory default is to enable parallel enable
logic. When this feature is enabled, the Caretaker Plus requires the INIT line to be high
and the SELECT line to be low before receiving any data from the port. If a character
other than Y or N is used no action is taken.
Initialization String Command
This command is used to change the initialization string. Enabling of the initialization
string occurs when a valid string is entered. Disabling of the string is done by entering
a string with the first character set to ASCII 00 (NULL). To enter the characters of the
string, you type the ASCII number of each character in hexadecimal followed by an H
without commas or spaces in between. Note that NULL serves as a terminator to the
initialization string, so it will not be printed along with the string, and any characters
following a NULL will be ignored.
Command syntax is: !@issssssss
where ssssssss is the new init string. To disable the string the first char must be 00.
Examples:
To enter the string <ESC>E .. . . · · · · · · · !@llBH45H<ENTER>
To disable the string .... · · · · · · · · · · · . . . !@I<ENTER>
Grounding
These are Safety Class I products and must have an un-interruptible earth ground from
the main power source to the product’s input wiring terminals, power cord, supplied
power cord set, or chassis. Whenever it is likely that the protection has been impaired,
disconnect the power cord until the ground has been restored.