1.106 Choice

The logical device Choice provides a dropdown field which could be used to shows and saves a selection. By default "ON" and "OFF" are set as possible options, but this could be changed in the device setup. The choice field is also lockable by pressing a button which means that you can set it to readonly.

Device window pages

The following table shows which device window pages are available with this individual device type. Tool-bar functions not mentioned here are described at the general description of device windows .

Configuration parameters

At the maintenance contains settings to configure this logical device.

parameter description
choice A comma separated list with all choices which should be available in the dropdown list
label Sets the label of the comment field in the device window. (not required)

Choice and lock status are saved on the M&C system and preserved after a system restart

Variables defined by this device driver

name type flags range
info.driver TEXT R/O StringRange R/O
info.type TEXT R/O StringRange R/O
info.port TEXT R/O StringRange R/O
info.frame TEXT R/O StringRange R/O
config.choices TEXT SAVE SETUP StringRange
config.label TEXT SAVE SETUP StringRange
comment CHOICE SAVE EnumRange (OFF ON)
lock BOOLEAN SAVE BooleanRange (true false)