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Chapter 4 Applied Operations
Chapter 4
Applied Operations
4.1 Input Shift Values.............................................................................4-2
Input Shift..................................................................................... 4-2
Calculating Input Shift Values (2 Point Shift) ...............................4-3
1 Point Shift Method.....................................................................4-4
2 Point Shift Method.....................................................................4-4
2 Point Temperature Input Shift Example ....................................4-5
4.2 Alarm Hysteresis .............................................................................4-6
Standby Sequence ......................................................................4-6
Alarm Latch .................................................................................4-6
Shutdown on Alarm /Alarm Activation .........................................4-7
Alarm Operation Overview...........................................................4-7
Alarm Delay Function ..................................................................4-8
4.3 Calibrating Upper and Lower Limits (Analog Signal Input) ..............4-9
Analog Signal Input......................................................................4-9
4.4 Using Event Input .......................................................................... 4-11
Setting Event Input .................................................................... 4-11
Using Multiple Set Points ........................................................... 4-11
Key Operation Settings .............................................................. 4-12
Setting........................................................................................ 4-12
Using Run/Stop Control ............................................................. 4-14
4.5 Setting SP Upper and Lower Limit Values..................................... 4-15
Set Point Limits .......................................................................... 4-15
Settings...................................................................................... 4-16
4.6 Using the SP Ramp Function (to limit rate of SP change)............. 4-17
SP Ramp ................................................................................... 4-17
4.7 Switching to the Advanced Function Level .................................... 4-19
4.8 Using The Key Protection Level..................................................... 4-20
Key Protection............................................................................ 4-20
4-1