Delta RMC101 User Manual download pdf (Page 77)

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101

Basic Topics 3.4

Using RMCWin 3-27

3.4.8 Using the Status Bits Window

The Status Bits window displays the bits of the Status words for each axis. It is constantly

updated as the bits change in the RMC.

To display the Status Bits window, do one of the following from the main window:

• On the Window menu, click Status Bits.

• Press CTRL+B.

Additionally, the Status Bits window can be displayed by using any of the methods of displaying a

Pop-up Editor.

3.4.9 Using the Command Log

Command Log Explained

When debugging problems with a system that is using the RMC, it is often difficult to determine

whether the problem is caused by an action of the RMC or the Programmable Controller (P/C).

To help with this problem, the Command Log is available. The Command Log holds the last 256

commands received through the communication module; commands sent by RMCWin or the

event step table are not displayed. Therefore, the Command Log can be used to determine which

commands were actually received by the RMC.

The "To PLC from Module" Section

This section is applicable only with PROFIBUS-DP in Compact Mode. Otherwise, the values will

be zero and grayed out. This section displays status information for each axis that is available to

the P/C. For each axis there are two pieces of information:

Status - This displays the Status word of the axis.

Data - The value of this field depends on the Status Area Request field of the last command sent

from the P/C on this axis. It can be equal to any of the Status Parameters.

The "From PLC to Module" Section

All communication types use this section. The most recent commands are at the top of the

Command Log. In addition, you will notice that the commands that changed from the previous

Command Log entry are colored red.

When using a Communication Digital I/O, the commands that are issued based on the digital

inputs will be recorded in the command log. Refer to the Communication Digital I/O section for

specifics on these commands.

For other communication modules, these fields represent the commands and command values

received from the P/C. In addition, if there are rising or falling edges on CPU or Sensor Digital I/O

inputs 0 used by the Input to Event table, 00045 commands (Start Events) will be issued to the

command log.

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