Rockwell Automation 1734-APB Point I/O Profibus Adapter Module User Manual

Page 50

Advertising
background image

Publication 1734-UM005B-EN-P - June 2001

4-12 Communication and I/O Table Mapping

Station Status 2

Station Status 3

Bit

Description

Cause

0 - Parameterization
requested

The slave has forced the
master system to do a new
parameterization.

This bit is set as long as new
parameterization must be performed.

1 - Static diagnostic

The adapter cannot provide
valid I/O data.

The backplane bus communication is
terminated. This bit will not be cleared
(0) until the power to the adapter is
cycled.

2 - Not used

Always set to 1.

3 - Watchdog on

Watchdog control is the
adapter is active to
supervise its corresponding
master connection.

4 - Freeze mode

The adapter has received a
freeze command.

5 - Sync mode

The adapter has received a
sync command.

6 - Reserved

Always set to 0.

7 - Slave deactivated

The adapter has been
marked inactive in its
parameter set and has been
removed from cyclic I/O
processing.

Check bus settings in the configuration
tool.

Bit

Description

Cause

0 to 6 - Not used

These bits are always 0.

7 - Diagnostic overflow

There are more diagnostic
messages than the adapter
can store.

More than 10 channel-related
messages present at the same time.
Note: New messages are queued in
the adapter and are passed on to the
master as soon as ther is space in the
diagnostic buffer.

Advertising