Control Block Description ADDvantage-32
4-41
4.28 DIFF TRIP
This block is a combination differential comparator and timer. It is used to detect alarm
or fault conditions.
FIGURE 4-28. DIFF TRIP BLOCK
1. Inputs
INPA: Analog
INPB: Analog
TICS: Analog
LMT: Analog
2. Outputs
OUT: Analog
TRP: Bit
3. Implementation
OUT is equal to INPA - INPB.
If the absolute value of OUT is greater than LMT, then the internal timer will start to
count up each time the block is executed.