Device Loop Templet
Appendix A Runtime Templates
226
3BUR002418-600 A
This is often used when the device loop interacts with a programmable
controller over a PC interface. The entry NO COMMAND is used to insure the
device loop does not affect the programmable controller when the device loop
goes on-line.
ABNORMAL OVERRIDE Field
This field specifies the action to take if an abnormal state change timeout occurs. If
a device changes state when no command was issued to the device, the abnormal
timer starts counting down from the amount of time specified in the ABNORMAL
TIMER field. If it reaches 0, the action specified in this field is applied to the device
command parameter (DEV_CMND).
Valid entries are:
NONE
no change to device command, but abnormal state change
alarm is generated
STATE
device command (DEV_CMND) is set to value of Device
State (DEV_STAT), abnormal state change alarm is
generated
SAFE COMMAND
device command (DEV_CMND) is set to entry in the SAFE
COMMAND field, abnormal state change alarm is generated
NONE/NA
no change, no abnormal state change alarm
STATE/NA
set to value of Device State (DEV_STAT), no abnormal state
change alarm
SAFE/NA
set to entry in the SAFE COMMAND field, no abnormal
state change alarm
PREVIOUS CMD
set to last successful previous command
SPECIAL CMD
device command (DEV_CMND) is set to entry in the
SPECIAL COMMAND field
ABNORMAL TIMER Field
This field specifies the amount of time the abnormal timer is set to when an
abnormal state change occurs. See the description of the ABNORMAL OVERRIDE
Содержание Ability 800xA Series
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Страница 120: ...TLL Messages Section 5 TLL Displays 120 3BUR002418 600 A ...
Страница 212: ...Viewing Abnormal State on MOD Loop Displays Section 8 Operation Examples 212 3BUR002418 600 A ...
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