Specifications

Appendix 2 Character Strings that cannot be Used in Label Names and Data Names
App-7
A
APPENDICES
Table App. 2-1 Character strings that cannot be used for label names and data names (2/3)
Category Character string
IL operator
LD, LDN, ST, STN, S, S1, R, R1, AND, ANDN, OR, ORN, XOR,
XORN, ADD, SUB, MUL, DIV, GT, GE, EQ,
NE, LE, LT, JMP, JMPC, JMPCN, CAL, CALC, CALCN, RET,
RETC, RETCN
LDI, LDP, LDPI, LDF, LDFI, ANI, ANDP, ANDPI, ANDF, ANDFI,
ANB, ORI, ORP, ORPI, ORF, ORFI, ORB, MPS, MRD, MPP, INV,
MEP, MEF, EGP, EGF, OUT(H), SET, RST, PLS, PLF, FF,
DELTA(P), SFT(P), MC, MCR, STOP, PAGE, NOP, NOPLF

*1
Application instruction
in GX Works2
Application instructions such as DMOD, PCHK, INC(P)
MELSEC-Q/L Programming Manual (Common Instructions),
MELSEC-Q/L Structured Programming Manual (Common
Instructions)
FXCPU Structured Programming Manual [Basic & Applied
Instruction], FXCPU Structured Programming Manual [Application
Functions]

*1
SFC instruction
SFCP, SFCPEND, BLOCK, BEND, TRANL, TRANO, TRANA,
TRANC, TRANCA, TRANOA, SEND, TRANOC, TRANOCA,
TRANCO, TRANCOC, STEPN, STEPD, STEPSC, STEPSE,
STEPST, STEPR, STEPC, STEPG, STEPI, STEPID,
STEPISC, STEPISE, STEPIST, STEPIR, TRANJ, TRANOJ,
TRANOCJ, TRANCJ, TRANCOJ, TRANCOCJ

*1
ST code body
RETURN, IF, THEN, ELSE, ELSIF, END_IF, CASE, OF,
END_CASE, FOR, TO, BY, DO, END_FOR, WHILE,
END_WHILE, REPEAT, UNTIL, END_REPEAT, EXIT, TYPE,
END_TYPE, STRUCT, END_STRUCT, RETAIN,
VAR_ACCESS, END_VAR, FUNCTION, END_FUNCTION,
FUNCTION_BLOCK, END_FUNCTION_BLOCK, STEP,
INITIAL_STEP, END_STEP, TRANSITION, END_TRANSITION,
FROM, TO, UNTILWHILE
Function name in
application function
Function names in application functions such as AND_E, NOT_E
Function block name in
application function
Function block names in application functions such as CTD, CTU
Symbol
/, \, *, ?, <, >, ¦, ", :, [, ] , , , =, +, %, ', ~, @, {, }, &, ^, ., ', tab
character
;
!, #, $, `
Date and time literal DATE, DATE_AND_TIME, DT, TIME, TIME_OF_DAY, TOD
Others
ACTION, END_ACTION, CONFIGURATION,
END_CONFIGURATION, CONSTANT, F_EDGE, R_EDGE, AT,
PROGRAM,
WITH, END_PROGRAM, TRUE, FALSE, READ_ONLY,
READ_WRITE, RESOURCE, END_RESOURCE, ON, TASK,
EN, ENO, BODY_CCE, BODY_FBD, BODY_IL, BODY_LD,
BODY_SFC, BODY_ST, END_BODY,
END_PARAMETER_SECTION,
PARAM_FILE_PATH, PARAMETER_SECTION, SINGLE,
RETAIN, INTERVAL
: Applicable,
: With restrictions, : Not applicable
*1: Functions cannot be used.
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