Rockwell-automation 1771-DB BASIC MODULE Manual de usuario descargar pdf (Pagina 206)

100

101

Chapter

Call Routines 0–68

12 -16

Use CALL 25 to convert a BASIC module floating-point value between 0

and 65535 to its 16-bit binary (or unsigned integer) SLC number and store

the result in the BASIC module output buffer DH-485 common interface

file. This call is used with DH-485 calls for BASIC module to SLC data

conversion. See also CALL 15.

See Chapter 8 for more information.

The fractional part of the BASIC module floating-point value is truncated.

If the BASIC module floating-point value is less than 0, then the value

placed in the output buffer is 0. If the value is greater than +65535, then

the value placed in the output buffer is +65535. You are responsible for

checking the range of the number before conversion.

Input and Output Arguments

This routine has two input and no output arguments. The first input value

is the data you want to convert to 16-bit binary. The second input value is

the address number (100 to 139) of the word in the BASIC module output

buffer to receive the converted value.

Syntax

PUSH

value to be converted

PUSH word number (100–139) of BASIC module output buffer

CALL

Example

40 PUSH 0A5H : REM THE VALUE TO BE CONVERTED

50 PUSH 110 : REM WORD 110 OF BASIC MODULE OUTPUT BUFFER

60 CALL 25 : REM DO F.P. TO 16-BIT BINARY CONVERSION

CALL

25:

BASIC Floating-Point to SLC

16-Bit Binary

Chapter

1 2 ... 201 202 203 204 205 206 207 208 209 210 211 ... 393 394

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