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A-4 Series 90-30/20/Micro Programmable Controllers Reference Manual – September 1998 GFK-0467K
A
Table A-1. Instruction Timing-Continued
Function Enabled Disabled Increment
Group Function 311 313 331 340/41 311 313 331 340/41 311 313 331 340/41
Size
Search Not Equal
INT 198 159 124 83 79 39 36 21 1.93 1.93 2.48 1.52 19
DINT 201 163 132 84 79 37 35 21 6.49 6.47 6.88 3.82 19
BYTE 179 141 117 73 79 38 36 19 1.54 1.51 1.85 1.05 19
WORD 198 159 124 83 79 39 36 21 1.93 1.93 2.48 1.52 19
Search Greater Than
INT 198 160 125 82 79 37 38 19 3.83 3.83 4.41 2.59 19
DINT 206 167 135 88 78 38 36 20 8.61 8.61 9.03 4.88 19
BYTE 181 143 118 73 79 37 36 19 3.44 3.44 3.75 2.03 19
WORD 198 160 125 82 79 37 38 19 3.83 3.83 4.41 2.59 19
Search Greater Than/Eq
INT 197 160 124 83 77 38 36 20 3.86 3.83 4.45 2.52 19
DINT 205 167 136 87 80 39 36 21 8.62 8.61 9.02 4.87 19
BYTE 180 142 118 75 79 37 37 20 3.47 3.44 3.73 2.00 19
WORD 197 160 124 83 77 38 36 20 3.86 3.83 4.45 2.52 19
Search Less Than
INT 199 159 124 84 78 38 36 20 3.83 3.86 4.48 2.48 19
DINT 206 168 135 87 79 38 38 19 8.62 8.60 -1.36 4.88 19
BYTE 181 143 119 75 80 38 37 20 3.44 3.44 3.75 2.00 19
WORD 199 159 124 84 78 38 36 20 3.83 3.86 4.45 2.48 19
Search Less Than/Equal
INT 200 158 124 82 79 38 37 21 3.79 3.90 4.45 2.55 19
DINT 207 167 137 88 78 39 37 19 8.60 8.61 9.01 4.86 19
BYTE 180 143 119 74 78 40 37 19 3.46 3.44 3.73 2.02 19
WORD 200 158 124 82 79 38 37 21 3.79 3.90 4.45 2.55 19
Conversion Convert to INT 74 46 39 25 42 1 1 1 – – – – 9
Convert to BCD–4 77 50 34 25 42 1 1 1 – – – – 9
Notes: 1. Time (in microseconds) is based on Release 5.01 of Logicmaster 90-30/20 software for Models 311, 313, 340, and 341 CPUs (Release 7 for the 331).
2. For table functions, increment is in units of length specified.; for bit operation functions, microseconds/bit.; for data move functions, microseconds/number
of bits or words.
3. Enabled time for single length units of type %R, %AI, and %AQ.
4. COMMREQ time has been measured between CPU and HSC.
5. DOIO is the time to output values to discrete output module.
6. Where there is more than one possible case, the time indicated above represents the worst possible case.
7. For instructions that have an increment value, multiply the increment by (Length –1) and add that value to the base time.
Timing information for the Micro PLC: See the Series 90™ Micro Programmable Logic Controller User’s Manual (GFK-1065B or later)
for this information.
Timing information for 350 and 360 Series PLCs: See page A-6 and following.