Contents
©
National Instruments Corporation
vii
FieldPoint FP-3000 User Manual
Function Blocks...............................................................................................4-1
Resource Block................................................................................................4-2
AI (Analog Input) ............................................................................................4-2
AO (Analog Output)........................................................................................4-2
PID (Proportional–Integral–Derivative)..........................................................4-3
DI (Discrete Input) ..........................................................................................4-3
DO (Discrete Output) ......................................................................................4-3
CDO (Complex Discrete Output)....................................................................4-3
LOG (FieldPoint Log Block) (FP-3000 Specific) ...........................................4-4
STAT (FieldPoint Statistics Block) (FP-3000 Specific) .................................4-4
Function Blocks and FieldPoint Modules......................................................................4-4
PID Control.................................................................................................................... 4-5
Alarming ....................................................................................................................... .4-6
UNACKNOWLEDGED ...................................................................4-7
ALARM_STATE/UPDATE_STATE ..............................................4-7
TIME_STAMP..................................................................................4-8
SUBCODE ........................................................................................4-8
VALUE .............................................................................................4-8
Quality...............................................................................................4-9
Substatus ...........................................................................................4-9
Limit..................................................................................................4-10
MODE_BLK Parameter and Mode Handling .................................................4-10
Target Mode ......................................................................................4-10
Actual Mode......................................................................................4-11
Permitted Mode.................................................................................4-12
Normal Mode ....................................................................................4-12
CFG_OPTS......................................................................................................4-13
DEV_OPTS .....................................................................................................4-13
EXECUTION_STATISTICS ..........................................................................4-13
FIELDPOINT_CHANNEL .............................................................................4-14
FIELDPOINT_MODULE ...............................................................................4-14
FP_AI_100_RANGE.......................................................................................4-14
FP_AI_110_RANGE.......................................................................................4-14
FP_AI_111_RANGE.......................................................................................4-14
FP_AO_200_RANGE .....................................................................................4-15