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I/O pts to refresh Time required
(ms)
512 7.4
256 4.1
128 2.7
64 1.7
Unit Time required per Unit
C200H-ID501/215 0.6 ms
C200H-OD501/215 0.6 ms when set for 32 I/O pts.
C200H-MD501/215 1.6 ms when set for dynamic I/O
C200H-CT001-V1/CT002 2.0 ms
C200H-CT021 0.7 ms
C200H-NC111/NC112 2.1 ms
C200HW-NC113 2.6 ms
C200H-NC211 5.0 ms
C200HW-NC213 2.9 ms
C200HW-NC413 4.5 ms
C200H-MC221 2 ms for normal operation
3 ms for refreshing expansion data area
C200H-AD001 1.1 ms
C200H-DA001 0.9 ms
C200H-TS001/TS101 1.2 ms
C200H-ASC02 1.9 ms normally, 5.0 ms for @ format
C200H-IDS01-V1/IDS21 2.0 ms normally, 5.5 ms for command transfer
C200H-OV001 3.3 ms
C200H-FZ001 2.0 ms
C200H-TCjjj
2.7 ms
C200H-CP114 2.0 ms
C200H-AD002 1.4 ms
C200H-PIDjjj
2.7 ms
C200H-DA002 1.0 ms
C200HW-SRM21 0.44 ms when the max. number of Slaves is 16.
0.88 ms when the max. number of Slaves is 32.
C200HW-DRM21-V1
C200HW-DRT21
1.72 ms + 0.022 × the number of words
Unit Time required per Unit
C200H-ID216 0.18 ms
C200H-OD218 0.14 ms
C200H-ID217 0.31 ms
C200H-OD219 0.23 ms
NT Links If the PC is connected to a Programmable Terminal (PT) via a C200HX/HG/HE
Interface Unit, the times shown in the following table will be required to refresh
I/O for the PT.
Number of table entries for PT I/O refresh time
Minimum setting:
Character string table: 0
Numeral table: 0
2.5 ms
Maximum setting:
Character string table: 32
Numeral table: 128
5.4 ms
PC Link Unit I/O Refresh
Special I/O Unit Refresh
Group-2 High-density I/O
Unit Refresh
Cycle Time Section 6-1