PART 2: CX-Server PLC Tools
OMRON CHAPTER 5 – Data Trace/Time Chart Monitor Component
CX-Server PLC Tools_ Page 67
2. Set the trigger condition that causes the data trace to start by selecting a Symbol/Address
and Value on the Trigger tab. Use the Browse pushbutton to insert a known symbol from
the invoking application. If a bit address is selected, the trigger is based on a falling or
rising edge as opposed to a particular value for a word address: the Value field changes to
the Edge field.
3. For Time Chart Monitor only, establish the sampling time and Buffer Size on the Sampling
tab.
4. Apply a delay value in the Delay field. A negative value in this field advances the start of
the trace before the trigger condition by the supplied interval value. A positive value in this
field delays the trace after the trigger condition by the supplied value in sampling.
5. Select the Word Addresses field on the Word Addresses tab and/or Bit Addresses on the Bit
Addresses tab) to be monitored.
6. Once all conditions have been set as required, click the OK pushbutton. Select the Cancel
pushbutton to abort the configuration operation.
Use the following procedure to select the Word addresses or Bit addresses. It is possible to set only word
addresses, bit addresses, or a mix of both.
1, 2, 3…
1. Select a free area in the Address or Symbol columns with the right-mouse button and click
New. The Address Selection dialog is displayed.
2. Insert an address in the Address/Symbol field, or select the Browse pushbutton to locate a
symbol from the invoking application.
3. Click the OK pushbutton in the Address Selection dialog to accept the settings or select the
Cancel pushbutton to abort the operation. The address or symbol is displayed in the Data
Trace Configuration dialog. Multiple addresses or symbols can be applied.
4. To delete an existing address or symbol, select an address or symbol with the right-mouse
button and click Delete.
When in the Data Trace mode of operation, the data trace configuration in the PLC can be uploaded and
viewed/edited for re-use. Select the Upload pushbutton from the Data Trace Configuration dialog.
Managing the Data Trace/Time Chart Monitor
Use the following functions to manage the Data Trace or Time Chart Monitor.
Select the Execute button from the toolbar to execute a data trace/time chart monitor.
Select the Trigger button from the toolbar to set the trigger condition so that execution will end
normally.
Select the Stop button from the toolbar to stop a data trace/time chart monitor.
Select the Read button from the toolbar to upload the data trace. This may take a few moments;
the status of the Read function can be verified by the information supplied in the status bar. The
Read button is not used for the Time Chart Monitor mode of operation.
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