820
8 INSTRUCTIONS FOR DATA LINK
8.1 Network Refresh Instructions
8 INSTRUCTIONS FOR DATA LINK
Abbreviation of instruction symbols
In this chapter, instruction names are abbreviated as follows if not specified particularly.
• S(P).ZCOM ZCOM
• S(P).RTREAD RTREAD
• S(P).RTWRITE RTWRITE
8.1 Network Refresh Instructions
Refresh for the designated module
S(P).ZCOM
*1 Specified with the upper three digits of the four hexadecimal digits representing the start I/O number.
The ZCOM instruction is used to perform refresh at any timing during execution of a sequence program.
The targets of refresh performed by the ZCOM instruction are indicated below.
• Refresh of CC-Link IE Controller Network (when refresh parameters are set) (QCPU only)
• Refresh of CC-Link IE Field Network (when refresh parameters are set) (Universal model QCPU whose serial number (first
five digits) is "12012" or later and LCPU whose serial number (first five digits) is "13012" or later only)
• Refresh of MELSECNET/H (when refresh parameters are set) (QCPU only)
• Auto refresh of CC-Link (when refresh device is set)
• Auto refresh of intelligent function module (when auto refresh is set)
Jn: Network No. of host station (BIN 16 bits)
Un: Start I/O number of the host station network module
*1
(BIN 16 bits)
Setting
data
Internal device R, ZR J\ U\G Zn Constant Others
J/U
Bit Word Bit Word
J/U
Basic
Process
High
performance
Redundant
Universal
LCPU
Command
Command
S.ZCOM
SP.ZCOM
Command
S.ZCOM
Command
SP.ZCOM
Jn
Jn
Un
Un
S.ZCOM
SP.ZCOM
S.ZCOM
SP.ZCOM
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