Omron SYSMAC C200HS Operation Manual page 330

Cycle Time
PC Link Unit I/O Refresh
Special I/O Unit Refresh
Group-2 High-density I/O
Unit Refresh
NT Links
Watchdog Timer and Long
Cycle Times
I/O pts to refresh Time required
512 7.4
256 4.1
128 2.7
64 1.7
Unit
C200H-ID501/215
C200H-OD501/215
C200H-MD501/215
C200H-CT001-V1/CT002
C200H-NC111/NC112
C200H-NC211
C200H-AD001
C200H-DA001
C200H-TS001/TS101
C200H-ASC02
C200H-IDS01-V1/IDS21
C200H-OV001
C200H-FZ001
C200H-TC001/002/003/
101/102/103
C200H-CP114
C200H-AD002
C200H-PIDjj
Unit
C200H-ID216
C200H-OD218
C200H-ID217
C200H-OD219
If the PC is connected to a Programmable Terminal (PT) via a C200H 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
Minimum setting:
Character string table: 0
Numeral table: 0
Maximum setting:
Character string table: 32
Numeral table: 128
Within the PC, the watchdog timer measures the cycle time and compares it to a
set value. If the cycle time exceeds the set value of the watchdog timer, a FALS
9F error is generated and the CPU stops. WDT(94) can be used to extend the set
value for the watchdog timer.
(ms)
Time required per Unit
0.6 ms
0.6 ms when set for 32 I/O pts.
1.6 ms when set for dynamic I/O
2.6 ms
2.5 ms
5.0 ms
1.3 ms
1.0 ms
1.2 ms
1.9 ms normally, 5.0 ms for @ format
2.0 ms normally, 5.5 ms for command transfer
4.1 ms
2.0 ms
3.0 ms
2.5 ms
1.4 ms
3.0 ms
Time required per Unit
0.18 ms
0.14 ms
0.31 ms
0.23 ms
2.5 ms
5.4 ms
Section 6-1
I/O refresh time
321