Omron CS1D DUPLEX SYSTEM - 10-2009 Operation Manual page 388

Computing the Cycle Time
Increase in Cycle Time Caused by CPU Bus Units
Unit
CPU Bus Units Controller Link
Unit
SYSMAC LINK
Serial Communi-
cations Unit
DeviceNet Unit
Ethernet Unit
Loop Control Unit
Note
352
Name Model
CS1W-CLK11
CS1W-CLK21-V1
CS1W-CLK12/52-V1
CS1W-SLK11/21
CS1W-SCU21
CS1W-DRM21-V1
CS1W-ETN01/11/21
CS1D-ETN21D
CS1W-LC001
1. Performance is given for the CS1D-CPU6@H and CS1D-CPU6@S.
Increase
0.1 ms There will be an increase of 0.1 ms
+ 0.7 s x number of data link
With Long-dis-
words. (*3)
tance Expansion
Rack: With Long-distance Expansion
0.2 ms factor *2 Rack:
(1.5 ms + (number of send words
0.1 ms
1 s))
With Long-dis-
There will be an additional
tance Expansion
increase of the event execution
Rack:
times when message services are
0.2 ms factor *2
used.
0.1 ms
With Long-dis-
tance Expansion
Rack:
0.2 ms factor *2
0.22 ms There will be an increase of up to
the following time when a protocol
With Long-dis-
macro is executed:
tance Expansion
Rack: 0.1 ms + 0.7 s x maximum num-
0.25 ms factor *2 ber of data words sent or received
(0 to 500 words)
With Long-distance Expansion
Rack:
(1.3 ms + (max. number of send/
receive words
There will be an increase of the
event execution times when Host
Links or 1:N NT Links are used.
0.4 ms + 0.7 s for ---
each allocated
word
With Long-dis-
tance Expansion
Rack:
(0.7 ms + (number
of allocated words
1 s)) factor *3
0.1 ms If socket services are executed
with software switches, there will
With Long-dis-
be an increase of 1.4 s x the
tance Expansion
number of bytes sent/received.
Rack:
0.25 ms factor *2 With Long-distance Expansion
Rack:
(number of send or receive bytes
2 s)
There will be an increase of the
event execution times when FINS
communications services, socket
services for CMND instructions, or
FTP services are performed.
0.1 ms ---
With Long-dis-
tance Expansion
Rack:
0.2 ms factor *2
Section 9-4
Remarks
factor *3
1 s)) factor *3
factor *3