Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) User Manual

Page 377

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Chapter 20
Troubleshooting Your System

20–9

Tracing an Address You Enter

To enter an address and trace it, press the key sequence shown here:

TRACE

S

address

MON

This type of tracing method can be invoked from any of the four functional
areas:

home screen

program monitor

data monitor

multi-point

Tracing an Address That is Displayed

You can trace the address that is currently displayed on the MicroLogix 1000
HHP by pressing the key shown here:

TRACE

S

You can invoke trace using this method from the following functional areas:

program monitor

data monitor

multi-point

Tracing Bit Addresses Versus Word Addresses

The following table outlines whether the trace feature finds a bit address or a
word address when invoked from any of the functional areas.

If the address entered or displayed is a(n):

Then the trace finds:

output, bit, integer, or status file address

only bit instructions referencing
that bit. To invoke the trace
feature, the current radix must be
binary.

timer, counter, or control address

any bit instructions or parameters
of word instructions referencing
that Timer, Counter or Control
element

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