Omron NT31 NT31C manual Device Monitor Function

Device Monitor Function Section 6-13

6-13 Device Monitor Function

The NT31/NT31C has been equipped with the Device Monitor function which can be used to change the PC’s operating mode, read/change words in the PC’s data areas, and display the PC’s error log of a CS1G/CS1H, CPM1, CPM2A, CPM2C, CQM1, CQM1H, C200HX/HG/HE(-Z)E, or SRM1.

The Device Monitor can perform the following operations:

•Changing the PC’s operating mode

•Displaying/changing the contents of words, displaying/changing the status of bits, force-setting/force-resetting the status of bits (Registration Monitor)

•Listing the contents of a range of words (Continuous Monitor)

•Displaying the error log and clearing errors (Error Log)

This section provides an overview of the Device Monitor function and explains how to connect to the PC. For more details, refer to 2-16 Device Monitor Func- tion in the Reference Manual.

!Caution Be sure that it is safe to proceed before using the Device Monitor function to per- form one of the following operations from the PT.

Changing monitored data Switching the PC’s operating mode Force setting or force resetting bits Changing PVs or SVs

Reference: S The Device Monitor function can be used with Ver. 3.0 and higher versions of the PT system program only.

SThe Device Monitor functions are almost identical to the functions of the Data Access Console (DAC).

SThe Device Monitor function cannot be used with host link or memory link com- munications.

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