Transfer Time - Omron C200H-MC221 Operation Manual

IORD Instruction

4-10-5 Transfer Time

68
The calculation of transmission time with the IORD instruction is complicated
and varies with the PC model, ladder program, and the status of the MC Unit.
Refer to the following example of transmission time with the C200HX as a refer-
ence value.
Cycle time:
Status of MC Unit:
No. of position data items
1
6
20
42
Note The IORD instruction transfers all data while the IORD instruction is being
executed. In the above example, the ladder scan time will increase according to
the above table.
Adjust the time to monitor the cycle time if necessary.
2.5 ms
1 task with 2 axes that are servo-locked.
1.2
1.9
4.2
7.3
Section 4-10
Transmission time (ms)