3. Instructions
800
CS/CJ/NSJ Series Instructions Reference Manual (W474)
DLNK
Applicable Program Areas
Operands
N: Unit number
Specifies the CPU Bus Unit's unit number (0000 to 000F hex or 0 to 15 decimal).
z Operand Specifications
Flags
Instruction Mnemonic Variations
Function
code
Function
CPU BUS UNIT I/O REFRESH DLNK @DLNK 226
Performs I/O refreshing immediately for the CPU
Bus Unit with the specified unit number.
Symbol
DLNK
Area
Function block
definitions
Block program areas Step program areas Subroutines Interrupt tasks
SFC action or
transition programs
Usage OK OK OK OK OK OK
Operand Description Data type Size
N Unit number UINT 1
Area
Word addresses
Indirect DM/EM
addresses
Con-
stants
Registers Flags
Pulse
bits
TR
bits
CIO WR HR AR T C DM EM
@DM
@EM
*DM
*EM
DR IR
Indirect
using IR
TK CF
N OKOKOKOKOKOKOKOK OK OK
OK
OK --- OK --- --- --- ---
Name Label Operation
Error Flag P_ER • ON if the specified unit number is not between 0000 and 000F hex (between 0 and 15 decimal).
• ON if the PLC does not have a CPU Bus Unit with the specified unit number.
• With the CS1D CPU Units: ON if the active and standby CPU Units could not be synchronized.
• OFF in all other cases.
Equals Flag P_EQ • OFF if the I/O refreshing could not be performed because the CPU Bus Unit was refreshing data.
• OFF if there was a CPU Bus Unit Error or CPU Bus Unit Setup Error in the specified CPU Bus Unit.
• OFF if DLNK(226) was executed in an interrupt task, there was a conflict with regular I/O refreshing,
and overlapping refreshing occurred.
• ON if the I/O refreshing was completed normally.
N: Unit number
DLNK(226)
N
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