The Update By Reading And Writing The Device Data Is Slow - Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual

■The update by reading and writing the device data is slow.

When the update by reading and writing the device data is slow in the simple CPU communications, check the following items
and take action.
Check item
The scan time of the CPU module where the simple CPU communication
function is set is long.
Action
Incorporate the COM(P) instruction and CCOM instruction into the sequence
program of the CPU module where the simple CPU communication function is
set.
3.4 Troubleshooting by Symptom
3 TROUBLESHOOTING
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