Introduction
3/99 Function Block Reference Guide 3
1.2 Function Block Groups,
continued
Table 1-1 Function Block by Category,
continued
Category Block Type Reference Data Subsection
Fast Logic Discrete Input (DI)
Discrete Output (DO)
2 Input AND (2AND)
4 Input AND (4AND)
8 Input AND (8AND)
2 Input OR (2 OR)
4 Input OR (4 OR)
8 Input OR (8 OR)
Exclusive OR (XOR)
NOT (NOT)
Digital Switch (DSW)
Trigger (TRIG)
Latch (LTCH)
Toggle Flip-Flop (TGFF)
System Monitor (FSYS)
2.19
2.21
2.8
2.9
2.10
2.46
2.47
2.48
2.82
2.42
2.22
2.75
2.33
2.71
2.25
Counters/Timers Resettable Timer (RTMR)
Periodic Timer (PT)
Up Down Counter (UPDN)
Off Delay Timer (OFDT)
On Delay Timer (ONDT)
2.57
2.51
2.76
2.44
2.43
Math Scale and Bias (SCB)
Addition (ADD)
Subtract (SUB)
Multiply (MUL)
Divide (DIV)
4 Input ADD (4ADD)
4 Input SUB (4SUB)
4 Input MUL (4MUL)
Free Form Math (MATH)
2.58
2.3
2.66
2.40
2.20
2.4
2.67
2.40
2.34
Calculations Compare (CMPR)
Deviation Compare (DCMP)
Absolute Value (ABS)
Square Root (SQRT)
Mass Flow (MSF)
Max-Min-Ave-Sum (MMA)
Negate (NEG)
Relative Humidity (RH)
Dewpoint (DEWP)
Totalize (TOT)
2.16
2.17
2.2
2.63
2.38
2.37
2.41
2.54
2.18
2.72
Alarm Monitor High Monitor (HMON)
Low Monitor (LMON)
System Monitor (ASYS)
Analog Alarm (ALM)
2.27
2.30
2.12
2.6
Signal Selector High Selector (HSEL)
Low Selector (LSEL)
Analog Switch (SW)
Rotary Switch (RSW)
Bumpless Transfer (XFR)
2.28
2.32
2.68
2.56
2.81
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