Descriptions of eV+ Keywords Descriptions of eV+ Keywords This chapter details the keywords in the eV+ programming language. The functional groups of programming keywords are: l Program Instructions l Functions l System Parameters l System Switches This manual often refers to monitor commands. Monitor commands are part of the eV+ operating system. The eV+ operating system commands are detailed in the eV+ Operating System Reference Guide . If your system is equipped with AdeptVision, additional program instructions, functions, switches, parameters, and monitor commands are detailed in the AdeptVision Reference Guide .
The keywords are presented in alphabetical order, with the description for each keyword starting on a new page. For details on what is included, see Documentation Conventions for Keywords. Documentation Conventions for Keywords The keyword type (function, program instruction, and so on) is shown at the top of the page. Syntax An abbreviated syntax is shown for some keywords. This is done when the abbreviated form is the most commonly used variation of the complete syntax. This section presents the syntax of the keyword. The keyword is shown in uppercase, and the arguments are shown in lowercase. The keyword must be entered exactly as shown 1 . Parentheses must be placed exactly as shown.
Required keywords, parameters, and marks such as equal signs and parentheses are shown in bold type; optional keywords, parameters, and marks are shown in regular type. In the example: KEYWORD req.param1 = req.param2 OPT.KEYWORD opt.param KEYWORD must be entered exactly as shown, 1 req.param1 must be replaced with a value, variable, or expression, eV+Language Reference Guide, v2.x, 18319-000 Rev A Page 42