Rockwell-automation 1771-DB Basic Module User Manual - Series A Manuel d'utilisateur télécharger pdf (Page 71)

Operating Functions

Chapter 5

5–34

5.4.22.4

PRINT USING (special characters)

Use the USING function to tell the BASIC Module what format to use

when displaying printed values. The module “stores” the desired format

after the USING statement is executed. All outputs following a USING

statement are in the format evoked by the last USING statement executed.

You do not need to execute the USING statement within every PRINT

statement unless you want to change the format. U. is a “shorthand”

notation for USING.

Important: The USING statement applies to numbers following it until

another USING statement is encountered.

5.4.22.5

PRINT USING(Fx)

This forces the BASIC Module to output all numbers using the floating

point format. The value of x determines how many significant digits are

printed. If x equals 0, the module does not output any trailing zeros, so the

number of digits varies depending upon the number. The module always

outputs at least 3 significant digits even if x is 1 or 2. The maximum value

for x is 8.

Example:

u10 PRINT USING(F3),1,2,3

u20 PRINT USING(F4),1,2,3

u30 PRINT USING(F5),1,2,3

u40 FOR I=10 TO 40 STEP 10

u50 PRINT I

u60 NEXT I

uRUN

1.00 E 0 2.00 E 0 3.00 E 0

1.000 E 0 2.000 E 0 3.000 E 0

1.0000 E 0 2.0000 E 0 3.0000 E 0

1.0000 E+1

2.0000 E+1

3.0000 E+1

4.0000 E+1

READY

5.4.22

Special Print Formatting

Statements (continued)

1 2 ... 66 67 68 69 70 71 72 73 74 75 76 ... 166 167

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Rockwell-automation 1771-DB Basic Module User Manual - Series A Manuel d'utilisateur Page 71