Data Monitor is a tool for improving process quality. You can use it to monitor and record important process parameters. It can alert you to a parameter going out of limit and it can record data for use in a quality record.
Data Monitor operates much like a strip chart recorder or a data acquisition system. To use the Data Monitor feature you make selections in two or three teach pendant screens (depending what application you are using). Specifically,
Table 1. Data Monitor SETUP Screen Menu Items
ITEM | DESCRIPTION |
---|---|
Data Monitor Operation Default: Enabled |
This item enables and disables operation of the Data Monitor function. |
Recording Default: Enabled |
This item turns data recording ON and OFF. |
Filing Default: Enabled |
This item turns report filing ON and OFF. |
Pause on File Errors Default: Disabled |
This item controls the severity of certain file errors. If this item is disabled, WARNING severity errors are posted and execution of the program being monitored will continue. If it is enabled, PAUSE severity errors are posted and execution of the program being monitored stops. |
Limit Error Output Default: DO[0] |
This item defines the port type and port number for the limit output. This digital output is turned ON when a limit error is detected. |
Setup Default: Disabled |
This item enables or disables printing of data monitor setup information in the report header. See Figure 1, " Sample Report " . |
Items Default: Disabled |
This item enables or disables printing of information in the report header about each of the items you want to monitor. |
Schedule Default: Disabled |
This item enables or disables printing of Schedule information in the report header. |
Triggers Default: Disabled |
This item enables or disables printing of Trigger information in the report header. |
Date Default: Disabled |
This item enables or disables printing the date and time of day column in the Data Monitor report. See Figure 1, " Sample Report " . |
Event Default: Disabled |
This item enables or disables printing the event column in the Data Monitor report. See Figure 1, " Sample Report " . |
Table 2. Data Monitor ITM DETAIL Screen Items
ITEM | DESCRIPTION |
Item type |
This field indicates that the current item is one of the following: Integer, Real, I/O, Register. |
Item sub type |
This field is the sub type of the current item. |
Port or register number |
This field is the port or register number for the current item. |
Program name |
This field is the program name of the current item. |
Var |
This field is the system variable. |
Des |
This field is a description of the current item. |
Units |
This field indicates the units of measurement for the current item. |
Slope |
This field is the slope of the current item. |
Intercept |
This field is the intercept of the current item. |