Rockwell Automation 20-COMM-S RS-485 DF1 Adapter User Manual

Page 26

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3-6

Configuring the Adapter

To change the fault action

• Set the values of Parameters 10 - [Comm Flt Action] to the desired

responses:

Figure 3.5 Fault Action Screens on an LCD HIM

Changes to this parameter takes effect immediately. A reset is not
required.

To set the fault configuration parameters

If you set Parameter 10 - [Comm Flt Action] to the send Flt Cfg,” the
values in the following parameters are sent to the drive after a
communications fault occurs. You must set these parameters to values
required by your application.

Changes to these parameters take effect immediately. A reset is not
required.

Value

Action

Description

0

Fault (default)

The drive is faulted and stopped. (Default)

1

Stop

The drive is stopped, but not faulted.

2

Zero Data

The drive is sent 0 for output data after a
communications disruption. This does not
command a stop.

3

Hold Last

The drive continues in its present state after a
communications disruption.

4

Send Flt Cfg

The drive is sent the data that you set in the fault
configuration parameters (Parameters 14 - [Flt Cfg
Logic] through 23 - [Flt Cfg D2 In]).

Parameter

Name

Description

14

Flt Cfg Logic

A 16-bit value sent to the drive for Logic Command.

15

Flt Cfg Ref

A 32-bit value (0 – 4294967295) sent to the drive as a
Reference or Datalink.
Important: If the drive uses a 16-bit Reference or 16-bit
Datalinks, the most significant word of the value must be
set to zero (0) or a fault will occur.

16 – 23

Flt Cfg x1 In or
Flt Cfg x2 In

Port 5 Device

20-COMM-S

Parameter #: 10
Comm Flt Action

0

Fault

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