Refresh Processing Time - Mitsubishi Electric MELSEC iQ-R Series User Manual

Refresh processing time

The refresh processing time [s] is an element that makes up the CPU module scan time. For details on the scan time, refer
to the following.
 MELSEC iQ-R CPU Module User's Manual (Application)
The refresh processing time [s] required for refreshing is calculated as follows.
• Refresh processing time [s] = Refresh read time (refresh transferred to the CPU) + Refresh write time (refresh transferred
to the intelligent function module)
The refresh read time and refresh write time vary depending on the refresh target setting.
When "Target" is set to "Module Label" or "Refresh Data Register (RD)"
The following table shows the refresh read time and refresh write time when the CPU module is used.
Classification
Refresh read time
Refresh write time
When "Target" is set to "Device"
Calculate the refresh read time and refresh write time based on the number of items for which the refresh is set and the
number of words transferred. For details on the calculation method, refer to the following.
 MELSEC iQ-R CPU Module User's Manual (Application)
2 PARAMETER SETTINGS
76
2.3 Refresh Setting
Refresh processing time
95.20s
28.62s