7-110
7.6 Structured Instructions
7.6.5 Refresh instruction
COM
7.6.5
Refresh instruction
COM
For the COM instruction of the following CPU modules, refer to Section 8.13.
• High Performance model QCPU with the serial number 04012 or higher
• Universal model QCPU
Function
(1) Use the COM instruction in any of the following cases.
(a) For increasing the speed of transmission/reception processing to/from the remote I/O
stations.
(b) For ensuring reliable data transmission/reception with other stations that use different
scan times during the execution of the data link.
COM
indicates the following instruction.
COM
Input argument,
EN:
Executing condition
:Bit
Output argument,
ENO:
Execution result
:Bit
Setting
data
Internal device
R, ZR
J
\
U
\G
Zn
Constant
Others
Bit
Word
Bit
Word
−
−
Universal
UD
High
Performance
Structured ladder
ST
COM
EN
ENO
COM
(EN);
ENO:=
Summary of Contents for MELSEC Q Series
Page 1: ...Structured Programming Manual Mitsubishi Programmable Controller QCPU Common Instructions ...
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Page 804: ...App 8 MEMO ...
Page 812: ...Index 8 MEMO ...
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