2-3 i/o refresh times for plc units, 4 monitoring and computing the cycle time – Omron SYSMAC CP CP1E-N@@D@-@ User Manual
Page 453
4-5
4 Monitoring and Computing the Cycle Time
CP1E CPU Unit Instructions Reference Manual(W483)
4-2
Com
pu
ting
th
e Cyc
le Tim
e
4
4-2-3 I/O Ref
resh Times f
or PLC U
nits
(5) Peripheral Servicing
I/O Refresh Times for Built-in Analog I/O (NA-type CPU Unit only)
Note No matter whether use analog I/O function or not, the I/O refresh time is the same.
I/O Refresh Times for CP-series Expansion Units and Expansion I/O Units
Additional Information
The I/O refresh time for the built-in I/O of the CPU Unit is included in overseeing processing.
Operation
Processing time and fluctuation cause
Services peripheral
USB port
In this servicing, 8% of the previous cycle’s cycle time (calculated in
step (3)) will be allowed for peripheral servicing.
Services serial port
(Built-in RS-232C
port, serial option
board)
4-2-3
I/O Refresh Times for PLC Units
Unit name
Model numbers
I/O refresh time per unit
NA-type CPU Unit
20-point I/O + Analog I/O
CPU Unit
CP1E-NA20D -
0.5 ms
Unit name
Model numbers
I/O refresh time per unit
Expansion I/O Unit
8-point Input Unit
CP1W-8ED
0.14 ms
8-point Output Unit
CP1W-8ER
0.06 ms
CP1W-8ET
CP1W-8ET1
16-point Output Unit
CP1W-16ER
0.17 ms
CP1W-16ET
CP1W-16ET1
20-point I/O Unit
CP1W-20EDR1
0.20 ms
CP1W-20EDT
CP1W-20EDT1
32-point Output Unit
CP1W-32ER
0.33 ms
CP1W-32ET
CP1W-32ET1
40-point I/O Unit
CP1W-40EDR
0.45 ms
CP1W-40EDT
CP1W-40EDT1
Expansion Unit
Analog Input Unit
CP1W-AD041
0.72 ms
Analog Output Unit
CP1W-DA041
0.33 ms
Analog I/O Units
CP1W-MAD11
0.36 ms
Temperature Sensor Unit
CP1W-TS001
0.30 ms
CP1W-TS002
0.57 ms
CP1W-TS101
0.30 ms
CP1W-TS102
0.57 ms
CompoBus/S I/O Link Unit
CP1W-SRT21
0.20 ms