Manual

Machine Variable Definitions 6-1
6. Machine Variable Definitions
The following data variables are collected by the Host to support intelligent
communications with the Equipment.
There are three categories of data variables listed here.
Status Variables
Data Variables
Equipment Constants
Each variable is given a header line with its associated ID value and its name. The
storage type and the definition of the variable are listed below in smaller type.
Variables listed in the header in capital letters are GEM standards. The others belong
to FmNT. Refer to [RefGWGEMRef] to find the detailed definitions of each of the
GEM standard variables.
All variables are listed in alphabetical order.
Status Variables
Table 6-1 Status Variables
Variable Name ID Storage
Type
Description
ABORTLEVEL 21 U1 The abort level of the most recent ABORT
command.
ALARMID 22 U4 This variable contains the ID of the last
alarm to be reported to the Host.
ALARMSENABLED 23 List This variable contains the list of the
currently enabled alarms. See the
reference for its structure.
ALARMSERIAL 26 U4 The sequence number( count ) of the most
recent alarm change( going on or going
off). This number starts at zero at power-
up and increments by one for each
following alarm transition.
ALARMSSET 24 List This variable contains the list of alarms
which are currently set.
ALARMSTATE 25 U1 The state of the current alarm. Non zero
values indicate the alarm is set.
BoardCount 106 U4 The number of boards processed since the
Power On event or since the last Process
entry into the Running state.
CameraXFieldMils 700 U2 The size in mils of the X coordinate axis
field of view seen by the camera.