Delta RMC101 User Manual download pdf (Page 20)

Features of the RMC100 RMC100 Startup Guide

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Command Log

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.

Status Words

The Status Words are values showing the state of certain axis properties. These

status words are updated constantly and can be viewed from RMCWin or read from

the RMCWin by a PLC or PC. The status words provide a complete picture of what

is happening in the RMC100. The status words are:

Command Position

Target Position

Actual Position

Transducer Counts

Axis Status Word

Drive

Actual Speed

Null Drive

Step

Link Value

Status Bits and Status Bits Window

The Status register is a collection of 16 bits to provide a summary of the state of the

axis. Eight bits are generally used for error bits. Each of the error bits latch on

when the error is detected.

The Status register is displayed in RMCWin as a 16-bit hexadecimal number. To

make it easier to view each bit, RMCWin provides the Status Bits Window, which

labels each bit independently. These bits are very useful for showing the state of the

axis.

These bits can also be captured and viewed in the plots.

I/O Bit Monitor

The RMC100 provides a visual tool, called the I/O Bit Monitor, for keeping track of

all the digital inputs and digital outputs. This tool constantly updates the state of

each input for the viewer to see. This simplifies design and verification of digital

I/O.

Parameter Error List

Problems related to user-issued commands cause the Parameter Error bit to be set.

There are dozens of specific problems that can lead to this bit being set. These

problems can identified by using the Parameter Error List Window. This window

lists the most recent parameter errors along with a short description.

Index/status/Using the Status

Bits Window

Index/ i/o Bit Monitor /Using

the I/O Bit Monitor

Index/ parameter error:list/

parameter error:list

Index/status word/status word

Index/command log/

Command

Log

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 ... 67 68

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Delta RMC101 User Manual Page 20

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