Frmcv - Omron CJ - INSTRUCTIONS Reference Manual

FRMCV

Instruction
CONVERT ADDRESS
FROM CV
Symbol
Applicable Program Areas
Function block
Area
definitions
Usage OK
Operands
Operand
S Word containing the CV-series PLC memory address
D Destination Index Register
*1 Only an index register (IR0 to 15) can be specified in D.
Operand Specifications
Word addresses
Area
CIO WR HR
S OK OK OK
D --- --- ---
Flags
Operand
Error Flag
Function
When the execution condition is ON, FRMCV(284) executes the following operations.
1. The CV-series PLC memory address specified in S is converted to its equivalent CV-series data area
address.
2. FRMCV(284) determines the CS/CJ-series PLC memory address that corresponds to the same CV-
series data area address.
3. The CS/CJ-series PLC memory address is output to D. (An index register (IR0 to IR15) must be
specified for D.)
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Mnemonic Variations
FRMCV @FRMCV
FRMCV(284)
S
D
Block program areas Step program areas
Ok OK
Description
AR T C DM EM
OK OK OK OK Ok
--- --- --- --- ---
Description
P_ER • ON if S specifies one of the following PLC memory addresses that do not exist in the
• OFF in all other cases.
Function
code
Converts a CV-series PLC memory address to its corre-
284
sponding CS/CJ-series PLC memory address.
FRMCV
S: Word containing the CV-series PLC memory address
D: Destination Index Register
Subroutines
OK
Data type
UINT
1
IR* only
Indirect DM/EM
addresses
Con-
stants
@DM *DM
DR
@EM *EM
OK OK OK OK
--- --- --- ---
CS/CJ-series:
• TR Area (09FF hex)
• CPU Bus Link (G) Area (0A00 to 0AFF hex)
• SFC Areas (0D00 to 0E3F hex)
3. Instructions
Function
SFC action or transition
Interrupt tasks
programs
OK OK
Size
1
2
Registers Flags
Pulse
Indirect
IR TK CF
using IR
--- OK
--- ---
OK ---
Data type
3
TR
bits bits
--- ---
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