Real To String (Rtos); Relay Ladder; Structured Text - Allen-Bradley Logix5000 Reference Manual

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REAL to String (RTOS)

RTOS
Real to String
Source
Dest
Operand
Type
Source
REAL
Destination
String
RTOS(Source,Dest);
Description:
Arithmetic Status Flags:
Fault Conditions:
Type
Code
Cause
4
51
The LEN value of the string tag is greater than the DATA size
of the string tag.
4
52
The output string is larger than the destination.
ASCII Conversion Instructions (STOD, STOR, DTOS, RTOS, UPPER, LOWER)
The RTOS instruction produces the ASCII representation of a REAL value.
Operands:

Relay Ladder

?
??
?
??
Format
Tag
Tag

Structured Text

The operands are the same as those for the relay ladder RTOS instruction.
The RTOS converts the Source to a string of ASCII characters and places the
result in the Destination.
Not affected
Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Enter
Tag that contains the REAL
value
Tag to store the ASCII value
Recovery Method
1. Check that no instruction is writing to the LEN member of
the string tag.
2. In the LEN value, enter the number of characters that the
string contains.
Create a new string data type that is large enough for the
output string. Use the new string data type as the data type
for the destination.
Notes
String data types are:
·Default STRING data type
·Any new string data type that you create
Chapter 19
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