Omron DeviceNet CV Series Operation Manual page 320

Remote I/O Communications Characteristics
PLC
Master Unit processing
Input
Output
Note
CS1H/G, C200HS, and
C200HX/HG/HE (-ZE) PLCs
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Maximum I/O Response Time
The maximum I/O response time occurs with the I/O timing shown in the fol-
lowing diagram.
Cycle time
Program Program
execution execution
Peripheral
servicing
T
T +T
PLC0
RM PLC0
T : The Input Slave's ON (OFF) delay
IN
T : The Output Slave's ON (OFF) delay
OUT
T : Master Unit's communications cycle time (See page 305.)
RM
T : The PLC's cycle time (program execution + peripheral servicing)
PLC0
The maximum I/O response time (T
+ 2 × T
T = T
MAX IN RM
1. Refer to SECTION 4 General-purpose Slaves, SECTION 5 Environment-
resistive and Waterproof Slaves, and SECTION 6 Special I/O Slave Units
Specifications for details on Input and Output Slaves' delay times.
2. Refer to Refresh Time on page 307 and the PLC's Operation Manual for
details on the PLC's peripheral servicing cycle time. (See under Synchro-
nous Operation .)
The following timing charts show the minimum and maximum I/O response
times of the DeviceNet Network with a CS1H/G, C200HX/HG/HE(-ZE), or
C200HS PLC.
Program
execution
Peripheral
servicing
T
PLC0
) is the total of the following terms:
MAX
+ 3 × T
+ T
PLC0 OUT
Section 7-1
Program
execution
303