Performance Monitor
SECTION 16 Application Analysis / Performance Monitor
240
Actual CPS
The number of characters per second being used
on the network, if this is approaching the same
value as the theoretical CPS (60% or higher) then
network problems are likely.
Average Active Points/
Sec
Average Active Elements/
Sec
Calculated Max Points/
Sec
Calculated Max
Elements/Sec
This is how many points/elements are being
updated every second - if all points are at 1
second interval, the calculation would be 1 and the
Average should be very close to this. If you have 2
points at 0.5 seconds, the calculation would be 2...
If the Average and Calculation differ considerably
then there is a problem with bandwidth use.
PLC Average Latency
(ms)
The average time it takes the PLC to process its
own programs and any other requests of it before
responding to a particular request.
Processing Delay
(ms)Processing Time
(ms)
This is the time used by CX-Supervisor
applications, if these values are too high it would
indicate the processing required by your
application (e.g. scripts) is too much and you need
to think more about the design of your application.
Read Time (ms)
Write Time (ms)
Max Read Time (ms)
Max Write Time ms)
This is the time it takes CX-Supervisor to read or
write a point on the PLC, the lower this number the
better performance you are getting. If you are
overloading the network, this value will increase
and the heartbeat interval will also be too high
RX Bytes (CX-
Supervisor)
The number of bytes received by CX-Supervisor
from CX-Server
RX Bytes/Sec (CX-
Supervisor)
The number of bytes per second received by CX-
Supervisor from CX-Server, this should be well
below the bandwidth of the chosen networks
capacity. Also take into account other bandwidth
use such as received data and other unrelated
network traffic
RX Heartbeat Interval
(ms)
RX Average Heartbeat
Interval (ms)
RX Average Heartbeat
Deviation (ms)
If you have an Input point at 1 second this is used
as a heartbeat. If there is no point at this rate there
will be no monitor of heartbeat interval. This is so
the measure doesn't actually affect the
performance.
The average heartbeat should be about 1000 with
the deviation as low as possible. If this number is
much more than 1000 then this would indicate a
communications problem. Even if you don't notice
in normal use, CX-Supervisor is communicating
faster than the network bandwidth or infrastructure
can cope with and performance is suffering.
Theoretical Max CPS
An assumed maximum CPS possible for the
particular network, this is a rough calculation and
is only used as a guide. It does not take into
account other network traffic or differences
between throughput of different PC network cards.
Summary of Contents for CX-Supervisor
Page 1: ...CX Supervisor Software Cat No W10E EN 01 User Manual Software Release 3 1...
Page 3: ...Copyright Notice 2...
Page 16: ...15...
Page 17: ...16...
Page 27: ...Tip of the Day SECTION 1 Graphics Editor 26...
Page 35: ...CX Supervisor Preferences SECTION 2 Pages 34...
Page 79: ...Responding to Events SECTION 5 ActiveX Objects 78...
Page 115: ...Printing the Graphics Library SECTION 7 Graphics Library 114...
Page 181: ...Data Logging SECTION 11 Data Logging 180...
Page 201: ...Examples SECTION 12 Databases 200...
Page 243: ...Performance Monitor SECTION 16 Application Analysis Performance Monitor 242...
Page 253: ...Using with Omron s CX Server OPC SECTION 17 Using CX Supervisor as an OPC Cli 252...
Page 259: ...Creating a CX Supervisor Client application SECTION 18 Connecting to a remote CX 258...
Page 263: ...Adding a Point Linked to a Parameter SECTION 19 Connecting to Omron Industrial 262...
Page 271: ...Data Logging SECTION 20 Best Practices 270...
Page 275: ...Configuring a Server PC running Windows NT or 2000 Appendix A Configuring a PC 274...
Page 277: ...Appendix B Frequently Asked Questions 276...
Page 296: ...Appendix B Frequently Asked Questions 295...
Page 297: ...Appendix B Frequently Asked Questions 296...
Page 298: ...Appendix B Frequently Asked Questions 297...
Page 299: ...Appendix B Frequently Asked Questions 298...
Page 333: ...Revision history 332...