Omron Sysmac NX Series User Manual page 152

8 Functions
Connection made to
Communication Coupler Unit Edit Slave Terminal Configuration Tab Page
After completion of the settings, check with the Support Software that the following conditions are met:
• The limitations on the I/O data size are not exceeded.
• No I/O Refreshing Timeout Error occurred.
*1. If you connect to the CPU Unit, check this on the CPU and Expansion Racks Tab Page. If you connect to the
Communications Coupler Unit, check this on the Edit Slave Terminal Configuration Tab Page.
*2. Check this on the Multi-view Explorer.
Examples of Possible Sampling Period Settings
The following table shows examples of sampling periods that you can set. The task periods shown be-
low are typical values. Refer to the user's manual for the connected CPU Unit for information on possi-
ble task period values.
If the sampling period is indicated as "---", it is less than 5 µs and you cannot set I/O allocations.
Number of
samplings
[times]
1
2
4
5
8
10
20
25
40
50
80
100
125
200
250
400
500
625
8 - 10
Task period
Task peri-
*1 od 250 µs
125 µs
125 250
62.5 125
31.25 62.5
25 50
15.625 31.25
12.5 25
12.5
*2
6.25
10
*2
5
--- 6.25
--- 5
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
--- ---
NX-series Analog I/O Units User's Manual for High-speed Analog Input Units (W592)
Screen
*1
*2
Sampling period [µs]
Task peri- Task peri-
Task peri-
od 1000
od 500 µs
µs
500 1000 2000
250 500 1000
125 250 500
100 200 400
62.5 125 250
50 100 200
25 50 100
20 40 80
12.5 25 50
10 20 40
6.25 12.5 25
5 10 20
--- 8 16
--- 5 10
--- --- 8
--- --- 5
--- --- ---
--- --- ---
Task peri- Task peri-
od 2000 od 4000 od 8000
µs µs
4000 8000
2000 4000
1000 2000
800 1600
500 1000
400 800
200 400
160 320
100 200
80 160
50 100
40 80
32 64
20 40
16 32
10 20
8 16
6.4 12.8
µs