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SRM1 Cycle Time and I/O Response Time Section 7-3
7-3 SRM1 Cycle Time and I/O Response Time
7-3-1 The SRM1 Cycle
The overall flow of SRM1 operation is as shown in the following flowchart.
Note 1. The cycle time can be read using Peripheral Devices.
2. Cycle time maximum and current cycle time are stored in AR 14 and
AR 15.
97 IORF 40.0 Refreshing IR 000 6.0
142.6 Refreshing one input word
135.4 Refreshing one output word
99 MCRO 74.0 With word-set I/O operands 5.6
116.4 With *DM-set I/O operands
Code Mnemonic ON execution
time (µs)
Conditions (Top: min.; bottom: max.) OFF execution time (µs)
Initialization
Overseeing
processes
Program
execution
Cycle time
processing
RS-232C
servicing
Service
peripheral
port.
Cycle
time
Output re-
freshing
CompoBus/S
end wait
Input re-
freshing
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