2 CPU MODULE INSTRUCTIONS
2.3 Application Instructions
95
2
Reading/writing data instructions
■Reading data from the data memory
■Writing data to the data memory
■Reading data from the specified file
■Writing data to the specified file
Debugging and failure diagnostic instructions
■Resetting the error display and the annunciator display
■Generating a continuation error
■Generating a stop error
String processing instructions
■Comparing string data
■Concatenating string data
Instruction symbol Processing details Reference
S.DEVLD Reads data from the device data storage file in data memory. Page 594 S(P).DEVLD
SP.DEVLD
Instruction symbol Processing details Reference
SP.DEVST Writes the specified number of points of data to the device data storage file in data memory. Page 596 SP.DEVST
Instruction symbol Processing details Reference
SP.FREAD Reads data from the specified file. Page 599 SP.FREAD
Instruction symbol Processing details Reference
SP.FWRITE Writes data to the specified file. Page 616 SP.FWRITE
Instruction symbol Processing details Reference
LEDR This instruction resets the self-diagnostic error (continuation error) display and the annunciator
display of the CPU module.
Page 628 LEDR
Instruction symbol Processing details Reference
PALERT Generates a continuation error in the CPU module. Page 629 PALERT(P)
PALERTP
Instruction symbol Processing details Reference
PABORT Stops program execution and generates a stop error in the CPU module. Page 630 PABORT
Instruction symbol Processing details Reference
LD$=, AND$=, OR$= Compares the character string specified by (s1) with the character string specified by (s2)
(character by character).
Page 631 LD$,
AND$, OR$
LD$<>, AND$<>, OR$<>
LD$>, AND$>, OR$>
LD$<=, AND$<=, OR$<=
LD$<, AND$<, OR$<
LD$>=, AND$>=, OR$>=
Instruction symbol Processing details Reference
$+ Connects the character strings in the device specified by (s) to those in the device specified by (d),
and stores the connected data in the device specified by (d) and later.
Page 634 $+(P) [when
two operands are set]
$+P
$+ Connects the character strings in the device specified by (s2) to those in the device specified by
(s1), and stores the connected data in the device specified by (d) and later.
Page 636 $+(P) [when
three operands are set]
$+P