Omron CX-Programmer 9, Operation Manual

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PART 2: CX-Server PLC Tools
OMRON CHAPTER 5 – Data Trace/Time Chart Monitor Component
CX-Server PLC Tools_ Page 51
CJ2 CPU Unit PLC Sampling Range
The CJ2 CPU Unit PLC can trace a maximum of 31 bits and 16 words and performs data tracing
using one of the following methods:
♦ Setting a timer interval . The trace can be performed in increments of 1ms during a 1-2550 ms
cycle. To sample data only once each cycle, set the interval to 0 ms.
♦
Including the TRSM (170) instruction in the PLC’s program . This instruction identifies the
points in program execution where specified data is to be stored in Trace Memory. The timer
interval must be set to ‘TRSM’.
Note: The buffer for Data Trace is 32K, 16K, or 8K words depending on model.
CV-series PLC Sampling Range
The CV-series PLC can trace a maximum of 12 bits and 3 words and performs data tracing using one of the
following methods:
♦
Setting a timer interval . The trace can be performed in increments of 5 ms during a 5-2550 ms cycle.
♦
Including the TRSM(170) instruction in the PLC’s program . This instruction identifies the points in program
execution where specified data is to be stored in Trace Memory. The timer interval must be set to ‘TRSM’.
C-series PLC Sampling Range
The C-series PLC can trace a maximum of 12 bits and 3 words and performs data tracing using one of the
following methods:
♦
Setting a timer interval . A Data Trace can be performed at regular, independent intervals by setting a timer
interval from the peripheral device.
♦
Including the TRSM(45) instruction in the PLC’s program . This instruction identifies the points in program
execution where specified data is to be stored in Trace Memory.
Note: Data Tracing cannot be performed from a Programming Console.