Rockwell Automation 1747-DTAM-E,D17476.1 Data Table Access Module (DTAM) - Manual (Page 35)

Publication 1747-6.1
Chapter
5
Monitoring and Modifying Data
This chapter describes:
• operating modes
• logical data file addressing
• Backspace Function during data file address entry
• quick access addressing
• entering data file addresses
• changing displayed data file addresses
• changing data file values
Operating Modes
The module has two operational modes, Modify and Monitor. A
Monitor Override feature is also provided.
Modify Mode
The module is shipped from the factory configured for the Modify
mode. This mode allows access to all features available in the module.
Refer to chapter 2, Installation and Power Up, for details on the
Modify mode configuration.
Monitor Mode
When the module is configured for the Monitor mode, you are
allowed to display values contained in data file words. Alteration of
data within the processor data files is prohibited. This mode of
operation is provided to prevent unauthorized access to certain
processor functions. Refer to chapter 2, Installation and Power Up,
for details on configuring the unit for the Monitor mode.
Monitor Override Feature
When configured for the Monitor mode, a Monitor Override feature
is provided to allow data modification of up to ten user-defined data
file addresses using the Quick Recall Functions. Refer to chapter 3
for details on how to use the module setup procedure to configure this
feature. Refer to chapter 6 for a description of the Quick Recall
Functions.