Section 7. Programming - Parker PDHX-E Series User Manual

Section 7. PROGRAMMING

Commands
The complete command list for the X150/X150E controller is contained in a separate
document entitled X150/X150E Software Reference User Guide ( No. 1600.221.XX).
Communicating with the Positioner
The positioner is designed to work in one of two modes:
a) The human interactive mode
b) The computer host mode
The command EX1 enables the first of these and the command EX0 the second. In the
human interactive mode, the positioner will respond to a dumb terminal in an intelligent, user
friendly manner and provide the user with help facilities and error messages if errors occur.
In the host computer mode all unsolicited output and help information is suppressed so that
communication may be handled by software resident in the host computer.
If a computer is to be used for the terminal function, terminal emulation software will be
required. The X-Ware program available from Digiplan for use with IBM PC's and
compatibles is suitable for this purpose. X-Ware is supplied with the product.
Individual Commands
An individual positioner command controls a single parameter, function, or action such as
acceleration, velocity, position, time delay, pause, loop, go, etc. There are two classes of
individual commands, Immediate and Buffered.
Individual commands are variable in length. They can consist of one or more letters with a
delimiter (carriage return or space character) and one or more letters and numbers with a
delimiter. Each command is entered as a character/delimiter combination. Some commands
include a sign (±) to denote direction of motion. The number of characters used depends on
the type of command entered.
Typical commands have the form:
1E
S
A10
V3
D46000
When two or more individual commands are entered on the same line, they are separated by
spaces, and multiple command entries will be displayed on a single line of your terminal
screen.
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